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Journal articles on the topic 'Ahaetulla'

Author: Grafiati

Published: 6 September 2023

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1

David, Patrick, Bartoz Nadolski, Sumaithangi Rajagopalan Ganesh, Omkar Dilip Adhikari, and Achyuthan N. Srikanthan. "A Nomenclatural Review of <i>Ahaetulla nasuta</i> (Lacépède, 1789): resurrection of <i>Ahaetulla fusca</i> (Duméril, Bibron et Duméril, 1854) for the populations of the Indochinese Region (Reptilia, Squamata, Colubridae)." Russian Journal of Herpetology 29, no. 1 (March 22, 2022): 19–34. http://dx.doi.org/10.30906/1026-2296-2022-29-1-19-34.

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The recent revision of the Ahaetulla nasuta complex in South Asia (India and Sri Lanka) resulted in a major modification of the systematics of this previously wide-ranging species. Ahaetulla nasuta sensu stricto is now endemic to Sri Lanka while other species inhabit Peninsular India. We here analyze the status of the nominal taxa including those considered synonyms of this species. Based on this analysis, we show that populations inhabiting the eastern part of the range of the former species Ahaetulla nasuta auctorum, namely Myanmar and the Indochinese Region, should be referred to Ahaetulla fusca (Duméril, Bibron et Duméril, 1854), a taxon we here resurrect from synonymy at species level. Its neotype is redescribed. We also discuss the status of populations inhabiting Myanmar. This first-phase revision sets the stage for regional workers to solve the taxonomy of the genus Ahaetulla based on fresh materials and collections across Myanmar and Indochina.

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Albuquerque, Nelson Rufino de. "New records of Leptophis ahaetulla ahaetulla (Serpentes, Colubridae) for Venezuela, Colombia and the placement of L. a. copei into the synonymy of L. a. ahaetulla." Biota Neotropica 9, no. 4 (December 2009): 293–96. http://dx.doi.org/10.1590/s1676-06032009000400035.

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The taxonomic validity of Leptophis ahaetulla copei is assessed. This subspecies is distinct from the nominal subspecies on the basis of differences in the number of ventral scales, maxillary teeth and dorsal coloration. However, comparison of its type specimens with specimens of L. a. ahaetulla revealed that L. a. copei is a junior synonym of the latter. In addition, the distribution of L. a. ahaetulla is expanded from Brazil to southwestern Venezuela and southern Colombia.

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Oliveira, Roberto Baptista de, Christian Beier, Giancarlo Ribeiro Bilo, Tiago Gomes dos Santos, and Gláucia Maria Funk Pontes. "Leptophis ahaetulla (Linnaeus, 1758) (Serpentes, Colubridae): first record for the state of Rio Grande do Sul, Brazil." Check List 12, no. 1 (February 6, 2016): 1838. http://dx.doi.org/10.15560/12.1.1838.

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We present the first record of Leptophis ahaetulla for the State of Rio Grande do Sul, Brazil. Between November and December 2014, and February 2015, three specimens were found, respectively: one male dead on a highway at the Parque Estadual do Espinilho, a conservation unit located at the municipality of Barra do Quaraí; and two females collected in an anthropic landscape of Salso farm at the municipality of Uruguaiana, Rio Grande do Sul, Brazil. Meristic data and coloration enables the identification of these specimens as Leptophis ahaetulla marginatus.

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LAM, NGON QUANG, TRAN THI ANH THU, LUAN THANH NGUYEN, ROBERT W. MURPHY, and SANG NGOC NGUYEN. "A new species of Ahaetulla Link, 1807 (Squamata: Colubridae) from the Mekong Delta, Vietnam." Zootaxa 4966, no. 3 (May 4, 2021): 290–304. http://dx.doi.org/10.11646/zootaxa.4966.3.2.

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A new vine snake, genus Ahaetulla, from Soc Trang Province, southern Vietnam is described based on morphological data and nucleotide sequences from COI and Cytb. Ahaetulla rufusoculara sp. nov. is diagnosed by the following morphological characters: bright red eyes; snout without dermal appendage; internasal separated from supralabial by loreal; body scale rows 15-15-13; ventrals 186–190 in males and 182–185 in females; subcaudals 143–153 in males and 128 or 129 in females; 8 (rarely 9) supralabials, fourth and fifth or fourth to sixth entering orbit; 12–14 maxillary teeth; hemipenis short, reaching 6th or 7th SC; cloacal plate divided; dorsum bright green; and yellow or white stripe along the lower flank. The new species differs from its congeners by an uncorrected p-distance in COI and Cytb sequences of at least 7.7% and 7.5%, respectively.

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5

Hernandez, Janick Josefa, and Nelson Guevara. "EVENTO DE DEPREDACIÓN EN Trachycephalus vermiculatus (ANURA: HYLIDAE) POR Leptophis ahaetulla (SQUAMATA: COLUBRIDAE) EN LA PROVINCIA DE COCLÉ, REPÚBLICA DE PANAMÁ." Revista Latinoamericana de Herpetología 5, no. 1 (February 3, 2022): 56–59. http://dx.doi.org/10.22201/fc.25942158e.2022.1.381.

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Se reporta un caso de depredación por Leptophis ahaetulla sobre Trachycephalus vermiculatus en la Provincia de Coclé de la República de Panamá. Evento que se registra como el primer caso entre la interacción presa-depredador entre estas especies.

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Santos, Maria Laura Silva, Pedro Henrique Nascimento, Jozélia Maria De Sousa Correia, and Ednilza Maranhão Dos Santos. "PREDAÇÃO DE Leptophis ahaetulla (LINNAEUS, 1758) POR Felis catus (LINNAEUS, 1758) EM ÁREA PROTEGIDA DE MATA ATLÂNTICA." Revista de Ciências Ambientais 15, no. 3 (December 20, 2021): 1. http://dx.doi.org/10.18316/rca.v15i3.7352.

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O presente estudo teve como objetivo relatar o evento de tentativa de predação de um animal nativo da Mata Atlântica, a serpente Leptophis ahaetulla por animal invasor, o gato doméstico (Felis catus) em uma Unidade de Conservação, Parque Estadual Dois Irmãos, município de Recife, em 02/04/2019 às 12:10 h. O felino foi surpreendido pelos pesquisadores atacando a serpente com a boca e suas garras, ao notar a presença da equipe, o gato recuou desistindo da presa. O ataque ocasionou à serpente várias escoriações pelo corpo, como a quebra de sua cauda e danos ao globo ocular, deixando-a gravemente ferida. Mesmo sendo devidamente atendida e medicada pela equipe de veterinários o animal não resistiu e foi a óbito. Esse evento constitui o primeiro registro de predação envolvendo L. ahaetulla por Felis catus. O gato doméstico é um dos invasores que mais causam ameaças a animais silvestres, sua presença em Unidade de Conservação é proibida e é um dos grandes problemas no declínio de espécies.

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7

Sharma, Satish Kumar. "Three records of Ahaetulla nasuta var. isabellinus from Rajasthan." Zoos' Print Journal 20, no. 11 (October 21, 2005): 2061. http://dx.doi.org/10.11609/jott.zpj.1372.2061.

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8

Patel, Harshil, Raju Vyas, and Pranav Vaghashiya. "On the distribution of Ahaetulla laudankia Deepak, Narayanan, Sarkar, Dutta & Mohapatra, 2019 and Lycodon travancoricus (Beddome, 1870) (Squamata, Colubridae) from Gujarat, India." Check List 15, no. 6 (November 29, 2019): 1045–50. http://dx.doi.org/10.15560/15.6.1045.

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We report the first record of a snake, Ahaetulla laudankia Deepak, Narayanan, Sarkar, Dutta & Mohapatra, 2019 (Colubridae, Ahaetullinae) and confirm the occurrence of Lycodon travancoricus (Beddome, 1870) (Colubridae, Colubrinae) from Gujarat state based on reptile surveys conducted in South, Central, and Saurashtra regions of the state. We also provide new information on the morphology, microhabitat, diet, and behaviour of these species.

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de Albuquerque, Nelson R., Paulo Passos, and Steve W. Gotte. "Leptophis santamartensis(Serpentes, Colubridae), a Junior Synonym ofLeptophis ahaetulla occidentalis." Journal of Herpetology 46, no. 2 (June 2012): 248–52. http://dx.doi.org/10.1670/10-263.

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DE ALBUQUERQUE, NELSON RUFINO, and DANIEL S. FERNANDES. "Taxonomic revision of the parrot snake Leptophis ahaetulla<br>(Serpentes, Colubridae)." Zootaxa 5153, no. 1 (June 10, 2022): 1–69. http://dx.doi.org/10.11646/zootaxa.5153.1.1.

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The Neotropical parrot snake genus Leptophis comprises a group of 12 colubrine snakes widely distributed in Mexico, Central- and South America. Among the currently recognized taxa in the genus, L. ahaetulla constitutes a morphologically diverse assemblage of typically slender snakes, with subspecies recorded from Mexico to most of South America. Though extremely variable in scalation, coloration, size and dentition, many of these subspecies are still poorly known, with at least three being known from few specimens, hampering the diagnosability and determination of the taxonomic status of certain populations. Accumulation of new specimens and new analytical approach for species delimitation supported a comprehensive taxonomic revision of these snakes based on the examination of meristic, morphometric, color pattern and hemipenial characters of 1625 specimens. Accordingly, the following taxa are herein referred to as full species: L. a. ahaetulla, L. a. bocourti, L. a. bolivianus, L. a. liocercus, L. a. marginatus, L. a. nigromarginatus, L. a. occidentalis, L. a. praestans and L. a. urostictus. Moreover, L. a. ortoni is placed in the synonymy of L. nigromarginatus, whereas L. coeruleodorsus, a former subspecies recently elevated to species rank, is redescribed, and L. haileyi is placed in the synonymy of this latter taxon. In addition, a dichotomous key including all recognized species of Leptophis is provided.

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Ugueto, Gabriel N., Pablo Velozo, Luz Esther Sanchez, Luis A. Bermúdez Villapol, Oscar Lasso-Alcalá, Tito R. Barros, and Gilson A. Rivas. "Noteworthy new records of squamate reptiles (Reptilia: Squamata) from various Venezuelan Caribbean islands, including a new addition to the herpetofauna of Venezuela." Check List 9, no. 5 (October 1, 2013): 1075. http://dx.doi.org/10.15560/9.5.1075.

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The occurrence of Gymnophthalmus lineatus in Venezuela is established for the first time based on a specimen collected on Las Aves Archipelago. We also document the first records of Phyllodactylus ventralis from Los Frailes Archipelago, Amphisbaena alba from Isla de Margarita, and report the occurrence of Thecadactylus cf. rapicauda on Las Aves Archipelago. Additionally we expand the distribution of the snake Leptophis ahaetulla on Isla de Margarita and report the third specimen known from that island. We also present information on the lepidosis and coloration for all species when pertinent.

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12

LALREMSANGA, HMAR TLAWMTE. "13. Birth and neonate colouration of Ahaetulla prasina in north-east India." Herpetological Bulletin, no. 160 (June 1, 2022): 43–44. http://dx.doi.org/10.33256/hb160.4344.

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13

Sengupta, Debaprasad, and S. R. Chandramouli. "A New Locality Record for the Recently Described Laudankia Vinesnake (Ahaetulla laudankia)." Reptiles & Amphibians 27, no. 2 (November 30, 2020): 304–5. http://dx.doi.org/10.17161/randa.v27i2.14441.

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Amber, Evan D., Colin T. Strine, Pongthep Suwanwaree, and Surachit Waengsothorn. "Intra-Population Color Dimorphism of Ahaetulla prasina (Serpentes: Colubridae) in Northeastern Thailand." Current Herpetology 36, no. 2 (August 2017): 98–104. http://dx.doi.org/10.5358/hsj.36.98.

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15

Deepak, V., Surya Narayanan, Vivek Sarkar, Sushil K. Dutta, and Pratyush P. Mohapatra. "A new species of Ahaetulla Link, 1807 (Serpentes: Colubridae: Ahaetullinae) from India." Journal of Natural History 53, no. 9-10 (March 12, 2019): 497–516. http://dx.doi.org/10.1080/00222933.2019.1589591.

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Indahsari, L. I. N., F. Fatchiyah, and N. Kurniawan. "DNA barcoding as a method for species identification: case study in Ahaetulla snake." Journal of Physics: Conference Series 1374 (November 2019): 012011. http://dx.doi.org/10.1088/1742-6596/1374/1/012011.

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17

de Albuquerque, Nelson R., Ulisses Galatti, and Marcos Di‐Bernardo†. "Diet and feeding behaviour of the Neotropical parrot snake (Leptophis ahaetulla) in northern Brazil." Journal of Natural History 41, no. 17-20 (July 1, 2007): 1237–43. http://dx.doi.org/10.1080/00222930701400954.

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18

Handziko, Rio Christy, Yusuf Prabowo, Muhammad Insan Fathin, Ahmad Iftachil Falach, and Ridho Mahesa. "KEANEKARAGAMAN HERPETOFAUNA DIURNAL DI KAWASAN TAMAN NASIONAL GUNUNG MERBABU (Diversity of Diurnal Herpetofauna in Gunung Merbabu National Park)." Jurnal Penelitian Kehutanan Faloak 5, no. 1 (April 30, 2021): 1–15. http://dx.doi.org/10.20886/jpkf.2021.5.1.1-15.

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Abstract The diversity of diurnal herpetofauna has an essential role in the ecosystem and is used as an indicator of environmental quality. This study aimed to determine the diversity of herpetofauna species in the southeast slope of the Gunung Merbabu National Park (GMbNP), which is in Ampel Sub-District, Boyolali District, Central Java. The method used in this study was Visual Encounter Survey (VES) in the transect determined purposively around the river, which can become a herpetofauna habitat. Data were collected in the morning session (08.00-14.00 WIB) for six times. This research found 16 species of herpetofauna, as follows: Ahaetulla prasina, Bronchocela jubata, Chalcorana chalconota, Cyrtodactylus marmoratus, Dendrelaphis pictus, Eutropis multifasciata, Gekko gecko, Gonocephalus chamaeleontinus, Leptobrachium hasselti, Megophrys montana, Odorrana hosii, Polypedates leucomystax, Pseudocalotes tympanistriga, Ptyas korros, Python reticulatus, dan Trimeresurus albolabris. The calculation of the level of diversity with the Shannon-Weiner Index showed a value of 2.772 which can be interpreted to have a moderate level of diversity. It implies that the environmental condition of GMbNP is good enough to support herpetofauna species sustainability. Abstrak Keanekaragaman herpetofauna mempunyai peranan dalam ekosistem dan digunakan sebagai salah satu parameter kualitas lingkungan. Penelitian ini bertujuan untuk mengetahui keanekaragaman spesies herpetofauna di lereng tenggara kawasan Taman Nasional Gunung Merbabu (TNGMb), yang secara administratif termasuk Kecamatan Ampel, Kabupaten Boyolali, Jawa Tengah. Metode yang digunakan dalam penelitian ini adalah Visual Encounter Survey (VES) pada transek yang ditentukan secara purposive di sekitar sungai dan berpotensi menjadi habitat herpetofauna. Pengambilan data dilakukan pada siang hari (pukul 08.00-14.00 WIB) sebanyak enam kali. Hasil penelitian didapatkan 16 spesies herpetofauna, yaitu: Ahaetulla prasina, Bronchocela jubata, Chalcorana chalconota, Cyrtodactylus marmoratus, Dendrelaphis pictus, Eutropis multifasciata, Gekko gecko, Gonocephalus chamaeleontinus, Leptobrachium hasselti, Megophrys montana, Odorrana hosii, Polypedates leucomystax, Pseudocalotes tympanistriga, Ptyas korros, Python reticulatus, dan Trimeresurus albolabris. Hasil analisis keanekaragaman indeks keanekaragaman Shannon-Weiner menunjukkan nilai 2,772 yang dapat ditafsirkan memiliki tingkat keanekaragaman sedang. Hal ini mengimplikasikan bahwa kondisi lingkungan TNGMb masih cukup baik dalam mendukung kelestarian herpetofauna.

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Pariyanto, Pariyanto, Rahmi Rahmi, and Dindi Antarsyah. "Keanekaragaman Jenis Reptilia di Kecamatan Seginim Kabupaten Bengkulu Selatan." SIMBIOSA 9, no. 2 (August 3, 2020): 90. http://dx.doi.org/10.33373/sim-bio.v9i2.2458.

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Tujuan penelitian ini adalah mengetahui keanekaragaman jenis reptilia yang terdapat di Kecamatan Seginim Kabupaten Bengkulu Selatan Propinsi Bengkulu. Metode yang digunakan dalam penelitian ini adalah metode survei. Pengambilan sampel dilakukan dengan menjelajahi lokasi penelitian dan memasang perangkap serta menangkap secara langsung semua jenis reptilia yang ditemukan di lokasi penelitian. Pada penelitian ini ditemukan 10 spesies reptilian, yang termasuk ke dalam 2 ordo dan 8 famili, yaitu Ordo Squamata dan Ordo Terstudinata. Spesies yang termasuk ordo Squamata, famili Varanidae: Varanus salvator, famili Gekkonidae: Gekko gecko dan Hemidactylus frenatus, famili Colubridae: Ahaetulla prasina dan Dendrealaphis pictus, famili Pythonidae: Python reticulatus, famili Agamidae: Bronchocella cristatella, famili Xenopeltidae: Xenopeltis unicolar, dan famili Scincidae: Mabouya multifasciata. Spesies yang termasuk ordo Testudinata, famili Geoemydae: Siebenrockiella crassicollis. Indeks Keanekaragaman jenis hewan reptilian di lokasi penelitian sebesar 0,823, yang termasuk kategori rendahyang menunjukkan habitat dan populasi reptil di Kecamatan Seginim dalam keadaan tertekan dan tidak seimbang.

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Rawat, Yam Bahadur, Santosh Bhattarai, Laxman Prasad Poudyal, and Naresh Subedi. "Herpetofauna of Shuklaphanta National Park, Nepal." Journal of Threatened Taxa 12, no. 5 (April 26, 2020): 15587–611. http://dx.doi.org/10.11609/jott.5611.12.5.15587-15611.

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We present 71 herpetofauna species in Shuklaphanta National Park (ShNP) and its buffer zone based on field surveys, rescue records, photo, and literature records. The list comprises 15 currently known species of amphibians and 56 species of reptiles. We recorded Laudanka Vine Snake Ahaetulla laudankia as a new species record for Nepal. Likewise, four frog species, namely, Uperodon globulossus, Polypedates taeniatus, Hoplobatrachus crassus, and Minervarya peirrei; and one skink, Sphaenomorphus maculatus; one agamid, Laudakia tuberculata; one turtle, Pangshura tentoria circumdata; and 10 snakes, Eryx conicus, E. johnii, Coelognathus helena, C. radiatus, Chrysopelea ornata, Dendrelaphis tristis, Lycodon striatus, Oligodon arnensis, Psammophis cf condanarus, and Ophiophagus hannah are new records for ShNP. Unregulated and illegal collection, road mortality, intentional killing are the observed threats to the herpetofauna. Our aim of this study is to compile species richness and advocate for more rigorous inventories in future providing updated information of herpetofauna of ShNP.

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Ashaharraza, Khan, and Shubham Sayanke. "Notes on parturition of an Indian Vine Snake, Ahaetulla nasuta (Lacépède 1789) (Squamata: Ahaetuliidae) in captivity." Reptiles & Amphibians 26, no. 3 (January 1, 2020): 221–23. http://dx.doi.org/10.17161/randa.v26i3.14411.

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Young, Bruce A., Richard J. Wassersug, and Alan Pinder. "Gravitational gradients and blood flow patterns in specialized arboreal ( Ahaetulla nasuta ) and terrestrial ( Crotalus adamanteus ) snakes." Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology 167, no. 7 (October 1, 1997): 481–93. http://dx.doi.org/10.1007/s003600050100.

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ARIUS HADY BUDIADA, I. GEDE MADE. "KEANEKARAGAMAN SPESIES ULAR DI DESA PERING, KECAMATAN BLAHBATUH, KABUPATEN GIANYAR, BALI." Jurnal Biologi Udayana 21, no. 1 (June 30, 2017): 7. http://dx.doi.org/10.24843/jbiounud.2017.vol21.i01.p02.

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Snakes are cold-blooded reptiles belong to the Order Squamata, Suborder Serpentes. Snakes often found in lowlands, highlands, trees, soil, water and swamps. People in the Pering village especially in Banjar Perang Sada have less knowledge about venomous and non-venomous snakes. Therefore, it is important to investigate the diversity of snakes in the Pering village, Blahbatuh, Gianyar. This study was conducted on 28 January – 4 February 2015. Data collection was performed by direct observation along the potential snake habitats in two plots rice field near residential area and near the Pura Beji. Data collection was performed during night time from at 7:00 to 11:00 PM with sampling focused on Banjar Perang Sada. Individual snake found was cought and identified in situ. This research found 9 species of snakes namely, Ahaetulla prasina, Boiga cynodon, Dendrelaphis pictus, Pareas carinatus, Ptyas korros, Rhabdophis chrysargos, Xenochrophis piscator, Bungarus fasciatus, and Trimeresurus insularis, the most commonly found was Dendrelaphis pictus.

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Nurhayati, Asni, and Sukiya Sukiya. "KEANEKARAGAMAN DAN DISTRIBUSI ULAR DI TAMAN HUTAN RAYA BUNDER, GUNUNGKIDUL, YOGYAKARTA." Kingdom (The Journal of Biological Studies) 7, no. 1 (October 29, 2018): 44–57. http://dx.doi.org/10.21831/kingdom.v7i1.11923.

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AbstrakTujuan penelitian adalah mengetahui jenis ular, indeks keanekaragaman jenis, distribusi ular serta dayadukung Tahura Bunder terhadap kehidupan ular di dalamnya. Penelitian ini merupakan penelitian deskriptif denganmetode Visual Encounter Survey dipadukan dengan metode time search. Penelitian dilakukan bulan Novembersampai Desember 2017 di Tahura Bunder pada 4 lokasi. Tiap lokasi diamati selama 3 jam malam dan siang hari.Hasil penelitian dianalisis secara deskriptif, dihitung nilai indeks keanekaragaman jenis, indeks kekayaan jenis danindeks kemerataan jenisnya. Penelitian menunjukkan ada 4 jenis dalam 12 individu, termasuk famili Colubridae.Nilai indeks keanekaragaman jenis, indeks kekayaan jenis serta indeks kemerataan jenis tertinggi adalah lokasi Dyaitu H’=0,693; DMG=1,443; dan E=1 serta terendah pada lokasi A. Ahaetulla prasina yang memiliki jumlahindividu terbanyak ditemukan pada 2 lokasi, tiga jenis lainnya terdistribusi pada lokasi B dan D. Tahura Bundermemiliki daya dukung yang cukup untuk kehidupan ular, namun lokasi C tidak ideal bagi kehidupan ular.Kata kunci: jenis ular, keanekaragaman, distribusi, dan daya dukung Tahura Bunder

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Yudhana, Aditya, Ratih Novita Praja, and Arif Supriyanto. "Acanthocephaliasis And Sparganosis Occurrence in An Asian Vine Snake (Ahaetulla prasina): A Perspective of Neglected Zoonotic Disease." IOP Conference Series: Earth and Environmental Science 755, no. 1 (April 1, 2021): 012003. http://dx.doi.org/10.1088/1755-1315/755/1/012003.

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Satish, Ryan. "Scavenging of the Sharavathy Vinesnake Ahaetulla farnsworthi (Mallik et al. 2020) by a land snail (Ariophanta sp.)." Reptiles & Amphibians 30, no. 1 (May 22, 2023): e18739. http://dx.doi.org/10.17161/randa.v30i1.18739.

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MALLIK, ASHOK KUMAR, ACHYUTHAN N. SRIKANTHAN, SAUNAK P. PAL, PRINCIA MARGARET D’SOUZA, KARTIK SHANKER, and SUMAITHANGI RAJAGOPALAN GANESH. "Disentangling vines: a study of morphological crypsis and genetic divergence in vine snakes (Squamata: Colubridae: Ahaetulla) with the description of five new species from Peninsular India." Zootaxa 4874, no. 1 (November 6, 2020): 1–62. http://dx.doi.org/10.11646/zootaxa.4874.1.1.

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We carried out a taxonomic revision of Ahaetulla species inhabiting Peninsular India, using a multiple criteria approach (including genetics, morphology, and geography). Our work included populations of the A. nasuta complex (widespread across the entire region, including the Western Ghats), the A. pulverulenta complex (in the Western Ghats, within Peninsular India) and the A. dispar complex (endemic to the Southern Western Ghats) which all revealed undocumented cryptic diversity. Here, we describe five new species and effect nomenclatural changes to some recognised taxa. In the A. nasuta complex, we describe four species from several latitudinal blocks of the Western Ghats and make nomenclatural emendations to the plains populations in the Indian peninsula. We effect nomenclatural change in the A. pulverulenta population of the Western Ghats and describe a new species from the A. dispar group. Our study highlights the use of a multi-criteria approach in unraveling cryptic diversity. This study also reveals a striking case of discordance between morphological and genetic divergence, and the way this is reflected in previous taxonomic and nomenclatural treatments of these populations.

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Purkayastha, Jayaditya, Sanath Chadra Bohra, Chitra B. Tamang, and Milu Medhi. "First record of Laudankia Vine Snake, Ahaetulla laudankia Deepak, Narayanan, Sarkar, Dutta and Mohapatra 2019, from Assam, India." Reptiles & Amphibians 28, no. 2 (July 15, 2021): 308–9. http://dx.doi.org/10.17161/randa.v28i2.15622.

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Leo, S., and J. Supriatna. "Morphological variation of Ahaetulla prasina (Boie, 1827) (Squamata: Colubridae) in Indonesia, with an expanded description of the species." IOP Conference Series: Earth and Environmental Science 481 (April 28, 2020): 012003. http://dx.doi.org/10.1088/1755-1315/481/1/012003.

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Patel, Sagar Vijay, Jyoti Shankar Sahu, Swarup Fullonton, Aurobindo Samal, and Aadit Patel. "Range expansion and a new district record for the Laudankia Vine snake (Ahaetulla laudankia) at Palghar, Maharashtra, India." Reptiles & Amphibians 30, no. 1 (March 22, 2023): e18078. http://dx.doi.org/10.17161/randa.v30i1.18078.

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Maulidi, Andri, Muhammad Rizki, Yohanes Edy Gunawan, Rabiatul Adawiyah, Yosua Yosua, and Adventus Panda. "Inventarisasi dan Status Konservasi Herpetofauna di Punggualas, Taman Nasional Sebangau." Jurnal Jejaring Matematika dan Sains 2, no. 1 (October 30, 2020): 1–5. http://dx.doi.org/10.36873/jjms.2020.v2.i1.301.

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Informasi tentang herpetofauna di Punggualas, Taman Nasional Sebangau telah dilakukan pada tahun 2015. Tujuan dari penelitian ini adalah untuk menginventarisasi jenis-jenis herpetofauna setelah empat tahun dari data terakhir di Punggualas, Taman Nasional Sebangau. Metode yang digunakan dalam penelitian ini adalah Visual Encountered Survey (VES) selama empat hari di sepanjang transek Kahiu dan Metarius. Hasil penelitian menunjukkan bahwa terdapat 11 spesies yang terinventarisasi yang terdiri dari delapan spesies reptile (7 famili) dan tiga spesies amfibi (3 famili). Temuan ini lebih sedikit dibandingkan literatur pada tahun 2015 yaitu sebanyak 33 spesies yang terdiri dari 17 spesies reptile (13 famili) dan 16 spesies amfibi (4 famili). Hal ini dikarenakan perbedaan luas daerah pengamatan, lama pengamatan, metode, jumlah orang pengamat, dan tingkat keahlian pengamat. Lima spesies ditemukan pada penelitian ini yang belum ditemukan pada tahun 2015 yaitu Homalopsis buccata, Ahaetulla prasina, Cyrtodactylus sp., Siebenrockiella crassicollis, dan Notochelys platynota. Terkait dengan status, 28 spesies herpetofauna berstatus Least Concern, tiga spesies berstatus Vulnerable, dan satu spesies berstatus Near Threatened. Enam spesies lainnya belum memiliki status konservasi di IUCN Red List. Perlu dilakukan penelitian berikutnya tentang jumlah populasi dan pengamatan pada daerah yang lebih luas.

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Tang, Chen-Yang, Meng-Huan Song, Zhong-Liang Peng, Wei Wu, Changjun Peng, Kong Yang, and Jia-Tang Li. "Transcriptome Analyses Reveal Circadian-Related Expression Features in the Visual Systems of Two Snakes." Diversity 13, no. 12 (November 26, 2021): 621. http://dx.doi.org/10.3390/d13120621.

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The visual characteristics of animals with different circadian habits, especially colubrid snakes, exhibit highly variable photoreceptor morphology. While studies have reported on the diversity in retinal cell morphology among snakes with different circadian patterns, few studies have examined the expression of genes related to vision. To explore gene expression patterns in the eyes between diurnal and nocturnal snakes, we carried out RNA sequencing of six tissues (eye, heart, liver, lung, kidney, and muscle) in two colubrids with disparate circadian activities, i.e., diurnal Ahaetulla prasina and nocturnal Lycodon flavozonatum, followed by weighted gene co-expression network analysis (WGCNA). The genes in the two most correlated modules were primarily enriched in different functional pathways, thus suggesting different biological functions. Three opsin genes (RH1, LWS, and SWS) were differentially expressed between the two species. Moreover, in the phototransduction pathway, different genes were highly expressed in the eyes of both species, reflecting specific expression patterns in the eyes of snakes with different circadian activity. We also confirmed the dominance of cone- and rod-related genes in diurnal and nocturnal adaptation, respectively. This work provides an important foundation for genetic research on visual adaptation in snakes and provides further insight into the adaptive evolution of such species.

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Zimmermann, Namor Pinheiro, André de Abreu Rangel Aguirre, Vinicius da Silva Rodrigues, Marcos Valério Garcia, Jansen Fernandes Medeiros, Isabella Maiumi Zaidan Blecha, Pamella Oliveira Duarte, et al. "Wildlife species, Ixodid fauna and new host records for ticks in an Amazon forest area, Rondônia, Brazil." Revista Brasileira de Parasitologia Veterinária 27, no. 2 (May 24, 2018): 177–82. http://dx.doi.org/10.1590/s1984-296120180022.

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Abstract The objective of this work was to evaluate the diversity of ticks associated with free-living animals and to investigate new host records for ticks. Ticks were collected from animals rescued during the flood of the Jamari River in the municipality of Ariquemes, state of Rondônia, North Region of Brazil. A total of 39 animals were captured, out of which 10 were amphibians, 19 were reptiles and 10 were mammals. A total of 127 ticks of the Amblyomma genus were collected from these animals, distributed among seven species: Amblyomma dissimile, Amblyomma geayi, Amblyomma humerale , Amblyomma longirostre, Amblyomma nodosum , Amblyomma rotundatum and Amblyomma varium. In addition, one specimen of Rhipicephalus (Boophilus) microplus was collected. Among these specimens, 85 were adults and 42 were nymphs, with A. rotundatum being the most prevalent species. An Amblyomma spp. larvae was also collected from a lizard (Uranoscodon superciliosus), and one Amblyomma calcaratum and one Amblyomma dubitatum were recovered from the environment, thus totaling 130 ticks. Among the Ixodidae collected from different hosts, we provide the first report for the species A. rotundatum parasitizing Rhinella major, U. superciliosus, Leptophis ahaetulla, Chironius multiventris, and Mastigodryas boddaerti, as well as of A. humerale parasitizing U. superciliosus, A. geayi parasitizing Choloepus didactylus, and Rhipicephalus (B.) microplus parasitizing Alouatta puruensis.

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Nurdin, Muhammad, and Sri Catur Setyawatiningsih. "The diversity and conservation status of snakes in the eastern part of PT GAN, Riau Province." Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) 13, no. 2 (June 12, 2023): 305–12. http://dx.doi.org/10.29244/jpsl.13.2.305-312.

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PT Global Alam Nusantara (GAN) is one of ecosystem restoration concessions in Kampar Peninsula managed by Riau Ecosystem Restoration (RER). Unlike other companies under RER, information on the diversity of snake species in PT GAN is not yet available. Therefore, this study aims to determine the diversity and conservation status of snake species in PT GAN. There are 4 transects are placed systematically based on habitat conditions. Two transects are located near the river (transect 1 and transect 2), the other two transects are far from the river and are located around the peat dome (transect 3 and transect 4). Observations were made using the Visual Encounter Survey (VES) method on four observation transects. Data analysis used the Shannon-Wiener diversity index (H') and the Sorensen Index (IS). The snakes found were 16 individuals, belonging to three families and 11 species, namely: Ahaetulla prasina, Boiga jaspidae, Boiga cynodon, Boiga drapiezii, Coelognathus flavolineatus, Dendrelaphis caudolineatus, Dryocalamus subannulatus, Lycodon subcintus, Sibynophis melanochepalus, Tripodolaemus wagleri, and Calliophis bivirgatus. The diversity of snakes in PT GAN was moderate with a low Sorensen similarity index. All snake species found are unprotected, with low-risk IUCN status, and have not been included in the CITES appendix.

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Sánchez, Matías N., Gladys P. Teibler, Carlos A. López, Stephen P. Mackessy, and María E. Peichoto. "Assessment of the potential toxicological hazard of the Green Parrot Snake (Leptophis ahaetulla marginatus): Characterization of its venom and venom-delivery system." Toxicon 148 (June 2018): 202–12. http://dx.doi.org/10.1016/j.toxicon.2018.04.027.

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Parmar, Dikansh, and Alkesh I. Shah. "Maximum length records for the Banded Racer (Platyceps plinii) and the Laudankia Vinesnake (Ahaetulla laudankia) and a new geographic record from Gujarat, India." Reptiles & Amphibians 30, no. 1 (June 26, 2023): e20695. http://dx.doi.org/10.17161/randa.v30i1.20695.

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Patil, Vikas Sudhakar, Yogita Lugani, Ravindra Deoram Chaudhari, Prachi Pramod Karodi, Pramod Chandrakant Mane, Priyam Mehrotra, Shrikant Prakash Pawar, Yogesh Shripad Shouche, and Venkata Ramana Vemuluri. "Description and genomic insights into a multidrug resistant novel bacterium Savagea serpentis sp. nov., isolated from the scats of a vine snake (Ahaetulla nasuta)." Antonie van Leeuwenhoek 114, no. 6 (March 14, 2021): 687–96. http://dx.doi.org/10.1007/s10482-021-01549-z.

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MOHAPATRA, PRATYUSH P., S. K. DUTTA, NILADRI B. KAR, ABHIJIT DAS, B. H. C. K. MURTHY, and V. DEEPAK. "PRATYUSH P. MOHAPATRA, S. K. DUTTA, NILADRI B. KAR, ABHIJIT DAS, B. H. C.K MURTHY & V. DEEPAK (2017) Ahaetulla nasuta anomala (Annandale, 1906) (Squamata: Colubridae), resurrected as a valid species with marked sexual dichromatism. Zootaxa, 4263: 318–332." Zootaxa 4290, no. 3 (July 10, 2017): 600. http://dx.doi.org/10.11646/zootaxa.4290.3.13.

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Eprilurahman, Rury, Muhammad Fahrul Hilmy, and Tony Febri Qurniawan. "Studi Keanekaragaman Reptil dan Amfibi di Kawasan Ekowisata Linggo Asri, Pekalongan, Provinsi Jawa Tengah." Berkala Penelitian Hayati 15, no. 1 (December 31, 2009): 93–97. http://dx.doi.org/10.23869/bphjbr.15.1.200915.

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Penelitian keanekaragaman dan kemelimpahan herpetofauna telah dilakukan dalam upaya mendukung kelestarian herpetofauna di kawasan ekowisata Linggo Asri. Penelitian ini dilaksanakan pada tanggal 10–23 Juli 2009 secara aktif nokturnal dan diurnal dengan menggunakan metode purpossive sampling yang terpusat di empat lokasi kajian. Selanjutnya hasil yang diperoleh dianalisis menggunakan indeks keanekaragaman Shanon & Wiener dan indeks kemerataan Simpson. Total telah ditemukan sebanyak 20 jenis herpetofauna terdiri atas 10 jenis amfibia, 7 jenis lasertilia dan 3 jenis ophidia. Jenis tersebut antara lain yaitu: Fejervarya limnocharis, Fejervarya cancrivora, Occydozyga sumatrana, Occydozyga lima, Hylarana chalconota, Huia masonii, Limnonectes macrodon, Microhyla achatina, Phrynoidis aspera, Polypedates leucomystax, Bronchocela jubata, Eutropis multifasciata, Dasia olivacea, Hemidactylus platyurus, Hemidactylus frenatus, Hemidactylus garnoti, Cyrtodactylus marmoratus, Ahaetula prasina, Oligodon purpurascens, dan Rhabdophis chrysargos. Diketahui dari jenis-jenis tersebut dua jenis yaitu Huia masonii dan Microhyla achatina merupakan endemik Jawa. Hasil analisis didapatkan nilai indeks keanekeragaman sebesar 2,93 di mana tergolong tinggi. Sedangkan indeks kemerataan sebesar 0,43 yang menandakan persebaran herpetofauna di kawasan ekowisata Linggo Asri tidak merata dan terkonsentrasi beberapa titik. Tipe vegetasi dan ketinggian tempat merupakan faktor ekologi utama yang mempengaruhi penyebaran herpetofauna di kawasan ekowisata Linggo Asri.

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MOHAPATRA, PRATYUSH P., S. K. DUTTA, NILADRI B. KAR, ABHIJIT DAS, B. H. C. K. MURTHY, and V. DEEPAK. "Ahaetulla nasuta anomala (Annandale, 1906) (Squamata: Colubridae), resurrected as a valid species with marked sexual dichromatism." Zootaxa 4263, no. 2 (May 9, 2017). http://dx.doi.org/10.11646/zootaxa.4263.2.6.

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In this paper we resolve the taxonomic confusion related to Ahaetulla nasuta anomala (Annandale, 1906). On the basis of molecular and morphological data, we remove it from the synonymy of Ahaetulla nasuta (Lacépède, 1789) and reinstate it as a valid species—Ahaetulla anomala. This species is sexually dichromatic, males are green and females are brown in colour. Though the brown morph morphologically resembles Ahaetulla pulverulenta (Duméril, Bibron & Duméril, 1854) there are significant morphological and genetic differences between these two species. Additional information on taxonomy, natural history and distribution of the species is provided.

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Yudha, Donan Satria, Rury Eprilurahman, Muhammad Khevin Fathah Alfarizi, Wintang Gagat Bangun Rahino, Nur Indah Candra Dewi, and Rashif Naufal Andhika. "Monitoring Keanekaragaman dan Kemelimpahan Ular (Squamata: Serpentes) di Sungai Gadjah Wong, Daerah Istimewa Yogyakarta." Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati, June 2, 2023, 21–30. http://dx.doi.org/10.24002/biota.v8i2.4541.

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Penelitian mengenai keanekaragaman dan kemelimpahan ular di Sungai Gadjah Wong telah dilaksanakan pada tahun 2014, tetapi setelah lima tahun berlalu terjadi perubahan kondisi sungai yang dimungkinkan berpengaruh terhadap keanekaragaman dan kemelimpahan ular. Oleh karena itu, penelitian ini bertujuan untuk mengetahui keanekaragaman dan kemelimpahan ular di Sungai Gadjah Wong pada tahun 2019, serta membandingkan dengan data penelitian tahun 2014. Pengambilan sampel pada penelitian ini menggunakan metode VES (Visual Encounter Survey), river bank cruising dan transek di sepanjang tepi sungai. Pengambilan sampel dilakukan di tiga bagian lokasi, yaitu bagian hulu, tengah, dan hilir, dengan setiap lokasi dibagi menjadi tiga titik sampling. Hasil yang diperoleh pada tahun 2019 ditemukan enam spesies ular yaitu Ahaetulla prasina, Ahaetulla sp., Xenocrhophis trianguligerus, Xenocrhophis melanzostus, Dendrelaphis pictus dari familia Colubridae, dan Homalopsis buccata dari familia Homalopsidae. Ahaetulla prasina merupakan spesies yang memiliki jumlah paling melimpah di Sungai Gadjah Wong tahun 2019. Keanekaragaman dan kemelimpahan ular pada bagian hulu dan hilir di Sungai Gadjah Wong tahun 2019 lebih rendah dari pada tahun 2014. Keanekaragaman dan kemelimpahan ular tahun 2019 pada bagian hilir memiliki nilai yang lebih tinggi hal ini disebabkan oleh penambangan pasir yang terdapat di bagian hilir pada tahun 2014 tidak ditemukan lagi di tahun 2019.

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Cadena-Ortiz, Héctor. "GAVILÁN DE HARRIS Parabuteo unicinctus DEPREDANDO UNA SERPIENTE." Revista Ecuatoriana de Ornitología, no. 6 (December 14, 2020). http://dx.doi.org/10.18272/reo.vi6.1771.

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En Taura, provincia de Guayas, Ecuador, observé y fotografié el 17 de julio de 2019, a las 08h30, un individuo adulto de Parabuteo unicinctus depredando una serpiente. El reptil medía c. 70 cm de longitud y c. 2 cm de diámetro, era de color verde con el vientre más claro; probablemente se trataba de un adulto de Leptophis ahaetulla (Colubridae).

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Srikanthan, Achyuthan N., Omkar Dilip Adhikari, Ashok Kumar Mallik, Patrick D. Campbell, Bharat Bhushan Bhatt, Kartik Shanker, and Sumaithangi Rajagopalan Ganesh. "Taxonomic revaluation of the Ahaetulla prasina (H. Boie in F. Boie, 1827) complex from Northeast India: resurrection and redescription of Ahaetulla flavescens (Wall, 1910) (Reptilia: Serpentes: Colubridae)." European Journal of Taxonomy 839 (October 7, 2022). http://dx.doi.org/10.5852/ejt.2022.839.1937.

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The taxonomic status of the nominal taxon Dryophis prasinus flavescens Wall, 1910 is reevaluated herein. Based on molecular data generated from fresh collections of Ahaetulla prasina (H. Boie in F. Boie, 1827) auctorum from Northeast India and, additionally, morphological data from museum specimens originating from the same areas, we resurrect this taxon as Ahaetulla flavescens (Wall, 1910) comb. nov. We clarify the status, identity and locations of its type specimens, rediscover, redescribe and illustrate those specimens and also designate a lectotype in order to effect a proper taxonomic redefinition of this nominal taxon. We provide further details on the morphology and diagnosis of this species and elucidate its phylogenetic position. We also provide a summary of the natural history and distribution of this species. Adding to the known cryptic diversity and genetic divergence within Southeast Asian populations, this work also hints at the need for a taxonomic revision of the A. prasina complex. This work complements a previous study on the A. prasina complex focusing on populations in Indonesia. Taken together, these two studies represent phylogenetic reconstructions from different populations of the A. prasina complex across its distribution range, on the Asian mainland and the surrounding islands.

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Qurniawan, Tony Febri. "Amfibi dan Reptil Karst Gunung Sewu Zona Batur Agung, Gunung Kidul, Daerah Istimewa Yogyakarta." Journal of Biota 18, no. 2 (June 1, 2014). http://dx.doi.org/10.24002/biota.v18i2.390.

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An inventory study of amphibians and reptiles from Karst Zone Batur Agung Gunung Kidul, Yogyakarta was carried out for first time. Exploration was conducted in July-August 2007, May-June 2008 and April 2009 at four districts of Patuk, Playen, Ngawen and Gedangsari. The results showed findings of 9 species of amphibians and 22 species of reptiles. Total of those amphibians and reptiles were recorded, the largest species of amphibian was Duttaphrynus melanostictus (Bufonidae) and Fejervarya limnocharis (Dicroglossidae). The largest species of reptile was Hemydactylus frenatus (Gekkonidae), Lygosoma bowringii (Scincidae), Ramphotyphlops braminus (Typhlopidae), Eutropis multifasciata (Scincidae) and Ahaetulla prasina (Colubridae). Keywords: Biodiversity, herpetofauna, Wanagama forest, Wonosadi forest, Bunder forestAbstrakStudi inventarisasi amfibi dan reptil telah dilakukan untuk permata kali di Zona Karst Batur Agung Gunung Kidul Yogyakarta. Penelitian berlangsung dari bulan Juli-Agustus 2007, Mei-Juni 2008 dan April 2009 di empat kecamatan, yaitu Patuk, Playen, Ngawen, dan Gedangsari. Hasil penelitian menunjukkan bahwa ditemukan 9 jenis amfibi dan 22 jenis reptil. Total keseluruhan jumlah jenis amfibi dan reptil tersebut, jenis amfibi yang melimpah yaitu Duttaphrynus melanostictus (Bufonidae) dan Fejervarya limnocharis (Dicroglossidae). Jenis reptil yang melimpah yaitu Hemydactylus frenatus (Gekkonidae), Lygosoma bowringii (Scincidae), Ramphotyphlops braminus (Typhlopidae), Eutropis multifasciata (Scincidae) dan Ahaetulla prasina (Colubridae). Kata kunci: Biodiversitas, herpetofauna, hutan Wanagama, hutan Wonosadi, hutan Bunder

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Riyandi, Rambosius, Tri Rima Setyawati,. "Inventarisasi Jenis-jenis Ular ( Serpenthes ) di Kawasan Universitas Tanjungpura Pontianak." Jurnal Protobiont 8, no. 2 (March 24, 2019). http://dx.doi.org/10.26418/protobiont.v8i2.32480.

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Snakes is a Reptilian that important role in the food chains. This research was conducted in the area of Tanjungpura University, Pontianak. The aim of this research use to determine the types of snakes found and to find out the characteristics of each snake types in Tanjungpura University area Pontianak. The sampling research was done from March to May 2018, with the Visual Encounter Survey (VES) method. The results found 17 individual of 10 species, 7 families (Colubridae, Cylindrophiidae, Elapidae, Homalopsidae, Pythonidae, Typhlopidae, and Xenopeltidae). The snakes found consisted of 7 species of non- venomous snakes which included as Coelognathus flavolineatus, Cylindrophis ruffus, Homalopsis bucatta, Malayophiton reticulatus, Ptyas korros, Ramphotyphlops braminus (free-living snakes), Xenopeltis unicolor, and 3 species of poisonous snakes which included as Ahaetulla prasina, Dendrelaphis pictus, and Naja sputatrix

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Yudhana, Aditya, Ratih Novita Praja, and Ryanka Edila. "First report of acanthocephalan parasite in wild-caught Asian vine snake (Ahaetulla prasina) in Indonesia." Veterinary World, February 17, 2023, 317–21. http://dx.doi.org/10.14202/vetworld.2023.317-321.

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Background and Aim: Exotic pet snakes are more susceptible to infection, especially parasitic helminths than wild-caught. There is no comprehensive report on the prevalence of acanthocephalan parasite infection in Indonesian snakes. Therefore, this study aimed to estimate the prevalence rate and to identify the acanthocephalan infection in wild-caught Asian vine snake (Ahaetulla prasina) from the Mojokerto District, East Java, Indonesia. Materials and Methods: A total of 60 snakes were collected from the local sellers in the Mojokerto District, East Java, Indonesia. Then, snakes were euthanized and necropsied to observe various predilections of acanthocephalan larval stage (cystacanth). Morphological identification of the cystacanth was conducted using the carmine staining method and microscopic examination. Results: Acanthocephalan infection was recorded with a high prevalence rate of 80.06%. A total of 696 cystacanths were examined from the muscle, subcutaneous tissues, and visceral with 32.90, 16.37, and 50.71% intensity rates, respectively. Conclusion: Acanthocephalan prevalence rate was recorded at 80.06% in this study. Constant disease monitoring is necessary, considering wild-caught Asian vine snakes were susceptible host and lack of data regarding parasitological surveys. Therefore, further studies are needed in new areas and various species of wild-caught snakes in Indonesia, because of the potential of parasitic helminth transmission between snake and other reptiles.

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Zúñiga-Baos, Jorge Alberto, and Luis Enrique Vera-Pérez. "Mortalidad de serpientes en la vía El valle de Toledo-Toledo, Antioquia –Colombia." Revista Colombiana de Ciencia Animal - RECIA, April 6, 2020, 745. http://dx.doi.org/10.24188/recia.v12.n1.2020.745.

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A través de 4 meses de muestreo continúo comprendidos entre el 1 octubre de 2018 y 31 de enero de 2019, se determinó la mortalidad de serpientes causada por el tránsito vehicular en un segmento de 17 km de la vía entre El Valle de Toledo y el municipio de Toledo, departamento de Antioquia, Colombia. Se registraron 18 individuos correspondientes a 14 especies y tres familias, siendo Colubridae la más representativa (12 spp.), y Mastigodryas pleei y Leptophis ahaetulla las especies más atropelladas. Se obtuvo una tasa de atropellamiento (TA) de 0.0043 individuos/km, la cual es relativamente baja al compararla con las obtenidas en otros estudios relacionados. El 50% de los registros ocurrieron en el mes de enero, época de menor precipitación en la zona de estudio. Finalmente, estos resultados muestran una pequeña parte de la afectación vehicular sobre este grupo de fauna, que podría tener mayor impacto hacia el futuro de acuerdo con el desarrollo de la infraestructura vial de la región, para lo cual se proponen algunas estrategias que permitan mitigar los efectos negativos sobre la fauna.

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Tang, Chen-Yang, Xiaohu Zhang, Xiao Xu, Shijie Sun, Changjun Peng, Meng-Huan Song, Chaochao Yan, et al. "Genetic mapping and molecular mechanism behind color variation in the Asian vine snake." Genome Biology 24, no. 1 (March 9, 2023). http://dx.doi.org/10.1186/s13059-023-02887-z.

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Abstract Background Reptiles exhibit a wide variety of skin colors, which serve essential roles in survival and reproduction. However, the molecular basis of these conspicuous colors remains unresolved. Results We investigate color morph-enriched Asian vine snakes (Ahaetulla prasina), to explore the mechanism underpinning color variations. Transmission electron microscopy imaging and metabolomics analysis indicates that chromatophore morphology (mainly iridophores) is the main basis for differences in skin color. Additionally, we assemble a 1.77-Gb high-quality chromosome-anchored genome of the snake. Genome-wide association study and RNA sequencing reveal a conservative amino acid substitution (p.P20S) in SMARCE1, which may be involved in the regulation of chromatophore development initiated from neural crest cells. SMARCE1 knockdown in zebrafish and immunofluorescence verify the interactions among SMARCE1, iridophores, and tfec, which may determine color variations in the Asian vine snake. Conclusions This study reveals the genetic associations of color variation in Asian vine snakes, providing insights and important resources for a deeper understanding of the molecular and genetic mechanisms related to reptilian coloration.

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Duran Peñaranda, Nazly Datniza, Monica Franco Gutiérrez, Henrique Guimarães Riva, and José Flórez Gelvez. "Prevalencia de endoparásitos y ectoparásitos en serpientes ex situ en Barranquilla, Colombia." Revista MVZ Córdoba, March 6, 2020, 1537. http://dx.doi.org/10.21897/rmvz.1537.

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Objetivo. Identificar la prevalencia de endoparásitos y ectoparásitos en serpientes ex situ en la Fundación Botánica y Zoológica de Barranquilla. Materiales y métodos. Para esto se analizaron muestras de materia fecal y ectoparásitos de 2 colúbridos (Leptophis ahaetulla y Spilotes pullatus), 2 dipsadinos (Oxybelys aeneus y Thamnodynastes paraguanae) y 13 boidos (9 individuos de la especie Boa constrictor, 2 de Epicrates maurus y 2 de Eunectes murinus) utilizando los métodos de flotación en solución saturada de azúcar y observación directa. Resultados. Los resultados obtenidos mostraron que el 65% (11/17) de los animales evaluados fueron positivos a la presencia de parásitos, de los cuales el 91% (10/11) de los ejemplares pertenece a la familia Boidae presentando en su mayoría nematodos, mientras que en los dipsadinos se observaron principalmente protozoarios y los colúbridos resultaron negativos. Finamente como ectoparásitos se identificaron 2 especies de garrapatas (Amblyomma dissimile y Ornothodoros turicata) halladas en ejemplares de Boa constrictor, Epicrates maurus y Spilotes pullatus. Conclusiones. La identificación de las formas parasitarias en este trabajo representa una contribución para el conocimiento de los parásitos en serpientes ex situ en Colombia. Provee información para desarrollar medidas profilácticas y permite comparar los datos sobre las formas parasitarias encontradas con muestreos de estas especies en vida silvestre y bajo cuidados humanos.

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DONBUNDIT, NATTASUDA, PHICHAYA BAUSRIYOD, ALONGKLOD TANOMTONG, NATTAPONG SRISAMOOT, MONTRI SUMONTHA, WEERA THONGNETR, ISARA PATAWANG, et al. "Karyomorphological delineation, and the NOR loci on the sex chromosome in three species of Chrysopeleinid (Chrysopeleinae: Colubridae) from Thailand." Biodiversitas Journal of Biological Diversity 23, no. 7 (July 16, 2022). http://dx.doi.org/10.13057/biodiv/d230758.

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Abstract. Donbundit N, Bausriyod P, Tanomtong A, Srisamoot N, Sumontha M, Thongnetr W, Patawang I, Supiwong W, Ditcharoen S, Muanglen N, Kaewmad P. 2022. Karyomorphological delineation, and the NOR loci on the sex chromosome in three species of Chrysopeleinid (Chrysopeleinae: Colubridae) from Thailand. Biodiversitas 23: 3813-3819. The description of chromosomal characteristics of three snakes from Thailand namely, Ahaetulla fusca, A. prasina, and Chrysopelea ornata was by using conventional staining and Ag-NOR banding techniques. The results showed that the same diploid chromosome number (2n) = 36 (16 macrochromosomes + 20 microchromosomes) and the fundamental number (NF) was 54 while the karyotype formulae in these three species are as follows: A. fusca; 2n(36) = Lm6 + Sm2+ Ssm4 + Sa2+ ZZ/ZW + 20 microchromosomes, A. prasina; 2n(36) = Lm6+ Sm6+ Sa2+ ZZ/ZW + 20 microchromosomes and C. ornata; 2n(36) = Lm4+ Lsm2+ Sm2 + Ssm4+ Sa2+ ZZ/ZW + 20 microchromosomes. Besides, the ZZ/ZW sex chromosome was observed in all species, whereas C. ornata was discovered the heteromorphic sex chromosome for the first time. Nucleolar organizer regions (NORs) are located on telomeric region of one pair in all species, while located on microchromosomes in A. fusca and A. prasina, whereas C. ornata was detected on sex chromosomes. Therefore, the Z chromosome revealed the NOR on the telomeric region of the long arm, while NOR of the W chromosome was located on the telomeric region of the short arm.

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