Relevant bibliographies by topics / Night heorn

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Night heorn'

Author: Grafiati
Published: 18 May 2024

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Journal articles on the topic "Night heorn"

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Yogamaya, Behera, and Mohanty Prafulla K. "Haematology of Grey Heron (Ardea cinerea) and Black Crowned Night Heron (Nycticorax nycticorax)of Chilika Wetland." Indian Journal of Biology 3, no. 2 (2016): 151–56. http://dx.doi.org/10.21088/ijb.2394.1391.3216.10.

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Pandiyan, Jeganathan, Arumugam Poiyamozhi, Shahid Mahboob, Khalid A. Al-Ghanim, Fahad Al-Misned, Zubair Ahmed, Irfan Manzoor, and Marimuthu Govindarajan. "Assessment of the Toxic Effects of Heavy Metals on Waterbirds and Their Prey Species in Freshwater Habitats." Toxics 10, no. 11 (October 25, 2022): 641. http://dx.doi.org/10.3390/toxics10110641.

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Waterbirds may be a good indicator of harmful metal levels in aquatic environments. Waterbirds’ organs and tissues were tested for the presence of pollutants, such as metals. However, very few reports describe the use of bird feathers and their prey in metal analysis. In the present research, seven metals were measured in the tissue, kidney, liver, and feathers of the Indian pond heron, the black-crowned night heron, and their prey species, including crabs, prawns, molluscs, and fishes from a freshwater lake. Metals were examined using an ECIL-4141-double beam atomic absorption spectrophotometer (DB-AAS). Metal concentrations differed considerably in the tissue, kidney, liver, and feathers of the Indian pond heron and black-crowned night heron (p < 0.001). Indeed, this research discovered a good correlation between the metals of prey species and the tissues, kidneys, liver, and feathers of waterbirds that were tested. The regression model explained that the Cyprinus carpio influence the accumulation of metals about 98.2% in tissues, Macrobrachium rosenbergii and Cyprinus carpio around 86.3% in the kidney, the Labeo rohita almost 47.2% in the liver and Labeo rohita nearly 93.2% on the feathers of the Indian pond heron. On the other hand, the Mystus vittatus, Cyprinus carpio, Labeo rohita influence about 98.8% in tissue, the Claris batrachus and Tilapia mossambica around 93.3% in kidney, the Mystus vittatus, Cyprinus carpio, about 93.2% in liver and the freshwater crab (Travancoriana schirnerae), freshwater prawn (Macrobrachium rosenbergii) and a fish (Cyprinus carpio) nearly 93.2% in feathers in the black-crowned night heron. This research evaluated metals in the dead carcasses of waterbirds, a non-invasive biomonitoring technique for pollution. Overall, the investigation revealed that the lake is severely contaminated with metals. Therefore, the management and protection of aquatic habitats, particularly freshwater lakes, should be enhanced to rescue wild species that rely on aquatic ecosystems and to ensure that people have access to clean drinking water.
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Sarker, M. A. H., M. Jahan, M. N. Parvin, M. A. Malek, and M. T. Hossain. "IDENTIFICATION OF BACTERIAL FLORA ISOLATED FROM APPARENTLY HEALTHY WATER BIRDS OF DHAKA ZOO OF BANGLADESH." Bangladesh Journal of Veterinary Medicine 10, no. 1-2 (July 9, 2013): 21–26. http://dx.doi.org/10.3329/bjvm.v10i1-2.15642.

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A total of 72 samples (Oral swab, cloacal swab and faeccal sample) were aseptically collected from different species (Purple Heron, Demoiselle Crane Pond Heron (adult), Pond Heron (young), Cattle Egret, Night Heron (adult), Night Heron (young) and Little Cormorant) of apparently healthy water birds of Dhaka Zoo of Bangladesh for The isolation and identification of bacterial flora. All the collected samples were inoculated in different bacteriological media for the study of their cultural properties. Gram’s staining, motility test and biochemical tests were also performed for the proper diagnosis of the isolated bacteria. Slide agglutination test was also performed to confirm the suspected Salmonella. Five types of bacteria were isolated and identified. The antibiogram of five randomly selected isolated bacteria of each genus were also studied. Among the isolated bacteria the isolation rate of E. coli was 54.16 % followed by Salmonella spp.31.94 %, Staphylococcus spp. 27.78%, Bacillus spp. 26.38 % and Proteus spp. 8.33%. Among the isolates, E.coli was found to be most prevalent bacteria. Among the samples the isolation rate of bacteria was higher in cloacal swab 54.16%, followed by oral swab 51.38% and faecal sample 43.05%. There was marked variation in the antibiotic sensitivity and resistant patterns of the isolated bacteria to the antibiotics available in the markets. It was found that most of the isolated bacteria were highly sensitive to enrofloxacin and norfloxacin. Ampicillin and furazolidone could not affect the growth of any isolated bacteria. DOI: http://dx.doi.org/10.3329/bjvm.v10i1-2.15642
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Janra, Muhammad Nazri, Aadrean Aadrean, and Henny Herwina. "First Provincial Record of Black-crowned Night heron (Nycticorax nycticorax) in West Sumatra and the Summary of Its Sumatran Records." Biogenesis: Jurnal Ilmiah Biologi 8, no. 2 (December 30, 2020): 133. http://dx.doi.org/10.24252/bio.v8i2.12642.

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The Black-crowned Night heron (Nycticorax nycticorax) is a known visitor in Sumatra with more sighting records in the eastern side of the island. Meanwhile, on the west, it was historically recorded from only two offshore islands, namely Nias and Enggano. During the waterbird survey from early 2018 at Pasir Jambak Beach of Padang City in the coastline of West Sumatra, a Night heron was spotted among the colony of mixed egret species. This is the first record of its kind in the province of West Sumatra, although, previous records cover almost all provinces in Sumatra. The summary of the compiled records of this species indicates that it is probably a vagrant along the western coastline, while it visits more frequently on the eastern side.
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Moriaty, DJW, and JA Hansen. "Productivity and growth rates of Coral Reef Bacteria on hard Calcareous Substrates and in Sandy Sediments in Summer." Marine and Freshwater Research 41, no. 6 (1990): 785. http://dx.doi.org/10.1071/mf9900785.

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The growth rates and productivity of bacteria in the communities living on hard limestone substrate and sand were determined from the rates of incorporation of tritiated thymidine into DNA. Two reefs in the southern Great Barrier Reef, around Heron Island and One Tree Island, were studied during summer (January 1986). The specific growth rates varied on a diel cycle, being slowest at night, in both sand and hard substrate. They ranged from 0.005 h,-1 at night to 0.025 h-1 during the day in sand and from 0.002 to 0.01 h-1 in hard substrate. Productivity was also greater during the day than at night, ranging from 1 mg C m-2 h-1 at night to 5.5 mg C m-2 h-1 during the day in sand and from 0.5 to 2 mg C m-2 h-1 in hard substrate. Values were similar for both islands. The increase of four- to five-fold in bacterial growth rates in the sand and hard substrate on Heron Island during the daytime indicates that the heterotrophic bacteria rely mostly on organic matter exuded from the algae with which they are associated.
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Riehl, Christina. "Black-Crowned Night Heron Fishes with Bait." Waterbirds: The International Journal of Waterbird Biology 24, no. 2 (August 2001): 285. http://dx.doi.org/10.2307/1522044.

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Kawana, Kunio. "Singing Activity of the Japanese Night Heron." Journal of the Yamashina Institute for Ornithology 42, no. 1 (2010): 96–101. http://dx.doi.org/10.3312/jyio.42.96.

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Kazantzidis, Savas, Theodoros Naziridis, Evangelia Katrana, Nikolaos Bukas, Georgios Kazantzidis, Aristidis Christidis, and Christos Astaras. "Population Trend of Colonially Nesting Heron Species in Greece." Birds 5, no. 2 (May 15, 2024): 217–39. http://dx.doi.org/10.3390/birds5020015.

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Heron colonies are dynamic components of wetlands. Therefore, their systematic monitoring is important for the management of both birds and wetlands. During the period 1988–2018, we counted breeding pairs of seven colonial breeding heron species at 65 colonies across 37 wetlands in Greece. We considered as annual variables of a population: (a) years since 1988, (b) Natura 2000 network inclusion, (c) protected area management authority overseeing, (d) wetland type (new or restored), and (e) new colonies (established after 2003). The Cattle Egret Bubulcus ibis and the Squacco Heron Ardeola ralloides had a positive breeding population trend. The Black-crowned Night Heron Nycticorax nycticorax, Little Egret Egretta garzetta, and Grey Heron Ardea cinerea had a negative trend, while the Purple Heron Ardea purpurea population was stable. The Great White Egret Ardea alba bred sporadically at only a few sites which precluded the evaluation of its population trend. The informative population variables differed among species, even of those at the same colony, which suggests trends are also affected by conditions at wintering grounds. The study highlights the need for the systematic monitoring of heron colonies and the protection of foraging/breeding areas in order to reverse the observed negative population trends.
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König, K. W. "Vorbeugender Brandschutz im öffentlichen und Wohnungsbau." Technische Sicherheit 14, no. 03-04 (2024): 36–37. http://dx.doi.org/10.37544/2191-0073-2024-03-04-36.

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Nicolae, Onea. "Dynamics of the aquatic nesting bird populations in the mixed colonies from Vulpaşu, Chiriloaia and Cucova (Balta Mică a Brăilei Nature Park, Romania)." Travaux du Muséum National d'Histoire Naturelle "Grigore Antipa" 54, no. 1 (June 1, 2011): 133–59. http://dx.doi.org/10.2478/v10191-011-0011-5.

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Dynamics of the aquatic nesting bird populations in the mixed colonies from Vulpaşu, Chiriloaia and Cucova (Balta Mică a Brăilei Nature Park, Romania) This study presents the observations made during a three-year period of time (2007-2009) in the three mixed colonies of the Balta Mică a Brăilei Nature Park: Vulpaşu, Chiriloaia and Cucova. In the colonies, there was reported a number of ten aquatic nesting species, with specific differences for each colony separately. The 10 species are: Phalacrocorax carbo (Great Cormorant), Phalacrocorax pygmaeus (Pygmy Cormorant), Nycticorax nycticorax (Night Heron), Ardeola ralloides (Squacco Heron), Egretta garzetta (Little Egret), Egretta alba (Great White Egret), Bubulcus ibis (Cattle Egret), Ardea cinerea (Grey Heron), Plegadis falcinellus (Glossy Ibis) and Platalea leucorodia (Spoonbill). The presence or absence of certain species in a colony is closely related to its ecological requirements, with the structural features of the ecosystems and the climatic conditions.
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Dissertations / Theses on the topic "Night heorn"

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Das, Ashis Kumar. "Ecology and behaviour of little Cormo rant (phalacrocorax niger vieillot) and night heorn (nycticorox nyccicorox linnaeus) at the Raiganj wildlife sanctuary, West Bengal." Thesis, University of North Bengal, 2007. http://hdl.handle.net/123456789/1345.

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Bernard, Danielle Summer. "A comparison of genetic variation between Black-Crowned Night Heron (Nycticorax nycticorax) populations from contaminated and reference sites." Texas A&M University, 2005. http://hdl.handle.net/1969.1/4698.

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I examined genetic variation for two populations of Black-crowned Night Herons using a 467 base pair region of the mitochondrial DNA. One population inhabits an environment highly impacted by industrial waste, heavy metals, and urbanization; while the other, a reference population, comes from a contaminant-free area. I observed a total of 10 haplotypes, three of which the two populations share. One individual from the contaminated site was ostensibly heteroplasmic. I found no evidence of significant genetic differentiation between the two populations. Coalescent simulation results provided evidence that both populations have undergone or are currently undergoing population expansion. The results of the biological marker I developed showed a high diversity for the ND-6 gene, making it a useful biomarker of population effects.
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Stein, Kristie Anne. "Filling gaps in the full annual cycle of the Black-crowned Night-Heron (Nycticorax nycticorax)." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1532001612265579.

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Phillimore, Robyn. "The reproductive biology and temporal distribution of a great egret and nankeen night heron colony at the Perth Zoo." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2001. https://ro.ecu.edu.au/theses/1046.

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A colony of Great Egrets (Ardea alba) and Nankeen Night Herons (Nycticorax caledonicus) has existed at the Perth Zoo in Metropolitan Perth for over 25 years. The colony is particularly significant for the conservation and management of Great Egrets in Western Australia as it is the only colony located in the Metropolitan area. Baseline information of their breeding biology was needed to facilitate the development of management guidelines for the zoo colony. Foraging behaviour was used to highlight specific adaptations in hunting strategies and diet. However, it was not possible to observe foraging Nankeen Night Herons as they forage at night. Therefore, another species, the Little Egret, was selected to highlight specific adaptations. From 1997 to 1999 the reproductive biology of the Great Egret and Nankeen Night Heron was assessed. The number of Nankeen Night Herons nesting at the Perth Zoo from 1996 to 1998 increased, while the number of Great Egrets declined. Both species nested in tall trees but only Great Egrets were specific in their choice of nesting tree species. Horizontal nest placement appeared to be influenced by body size. Great Egrets had a larger clutch size than the Nankeen Night Heron, and a slightly higher offspring mortality rate. There was some indication that Great Egrets may use the colony as an information centre about productive feeding grounds. Foraging behaviour of Great Egrets and Little Egrets was recorded at six wetlands in the Perth Metropolitan area. Great Egrets were found to be mainly searchers using ‘stand and wait’ and 'walk slowly’ foraging behaviour, while the Little Egret was a ‘pursuer’ hunting by 'walking slowly', 'walking quickly' and 'pursuing prey'. Great Egrets caught a greater number of prey per attempt at capture, feeding on larger sized prey, mostly fish. Little Egrets fed on smaller sized prey, mostly invertebrates. Habitat type and wind speed had a significant effect on striking success of Great Egrets. Cloud cover, wind speed and direction had a significant effect on striking success of Little Egrets. The larger body size of the Great Egret allowed them to forage in deeper water than the Little Egret. Baseline information provided by this study has assisted in the development of management recommendations for the zoo colony and for Great Egrets and Little Egrets in the Perth Metropolitan area. To provide long-term information on overall population trends for the colony, regular counting and population distribution mapping of Great Egrets and Nankeen Night Herons is needed. To prevent Nankeen Night Heron numbers elevating and possibly encroaching on the nesting habitat of the Great Egret, food available in the zoo grounds should be reduced by covering caged animals food. Planting of nesting trees within the existing colony may be required to enable the number of Great Egrets nesting in the Perth Zoo to increase. To prevent disturbances to birds when foraging within Perth wetlands, sites that are reachable by humans should be fenced off, or access restricted.
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Bentley, Ellen L. "Use of a Landscape-Level Approach to Determine the Habitat Requirements of the Yellow-Crowned Night-Heron, Nycticorax violaceus, in the Lower Chesapeake Bay." W&M ScholarWorks, 1994. https://scholarworks.wm.edu/etd/1539617671.

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Cheng-te, Yao, and 姚正得. "The Breeding Ecology of the Malayan Night Heron(Gorsachius melanophus)in Central Taiwan." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/83565676412913187582.

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碩士
東海大學
生物學系
90
The Malayan night heron (Gorsachius melanophus) lives in the lowland wooded areas in Taiwan. I studied the reproductive success of the Malayan night heron in the urbanized areas of Tai-chung, Nan-tao, Yun-lin, and Chia-I Counties, in Central Taiwan. A total of 67 nests of Malayan night heron were monitored in the breeding seasons of 2000 and 2001. Breeding season lasted for 210 days in 2000, and 220 days in 2001. Clutch size ranged 2-6 eggs (3.4±0.8，n=67); brood size ranged 0-4 nestlings (2.5±1.5，n=67). Forty-six of 67 nests successfully fledged at least one young. The mean number of young fledged per nest was 1.9±1.5. Incubation period was 30.4±1.2 days, and nestling stage was 36.0±2.1 days. The nesting success measured by the Mayfield method was 64.44% in 2000, and 61.72% in 2001. There is no differences between pooled interval success rate of the 1st nests in the breeding season(60.52%) and that of the 2nd broods(69.07%)(Z＝0.57，P>0.05). The pooled interval success rate of the nests of yearlings was 21.11%(n=17), whereas it was 74.27%(n=50) for the nests of older birds (Z=6.02，P<0.05). The mean number of young fledged per nest was 2.2±1.5(n=37) by parents of older birds, while it was only 0.9±1.3(n=15) by parents with at least one yearling. Reuses of old nests were common in Malayan night heron(50%). The breeding success of nests of reused was 80.29%, while it was 47.18% of nests of only used once (Z=-2.82，P<0.05) Among pooled interval success rates of those nests in the four categories of land-use types, the nests in rural landscape with success rates 85.23% were significantly higher than that of nests in managed landscape(48.56%, Z=2.79，P<0.05), and that of nests in the agricultural land(48.65%, Z=2.01，P<0.01). Comparing the estimated daily survival probabilities of nests categorized as two groups of structural stability index (SS-1, and SS-2), no significant difference was found(Z=-0.89，P>0.05). Predation, starvation, infertile or addled eggs, and inclement weather caused death were identified to be the major causes of the mortality during incubation and nestling stages. The main factors that affect the reproductive success of the Malayan night heron are: the age of the breeding pairs, nest predation, inclement weather, landuse type, and reused of old nests.
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HRALOVÁ, Nela. "Početnost, reprodukce a pohnízdní disperze kvakoše nočního (\kur{Nycticorax nycticorax}) v Českobudějovické pánvi." Master's thesis, 2016. http://www.nusl.cz/ntk/nusl-204446.

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The study deals with first telemetry observations of Black-Crowned Night Herons (Nycticorax nycticorax) in the Czech Republic. The main aim was to describe post-fledging dispersal abilities and evaluate influence of chosen factors to dispersion of young birds. The study also deals with population trends, variability of reproductive parameters and factors affecting these traits.
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Chang, Yen-Chyuan, and 張晏銓. "A Study of Spatiotemporal Distribution of Little Egret, Egretta garzetta and Black-crowned Night Heron, Nycticorax nycticorax in Fa-Tse Creek, Taichung City." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/36536339822101961597.

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碩士
東海大學
環境科學系
85
Abstract The Little Egret and the Black-crowned Night Heron are the dominant species of wading birds on Fa-Tse Creek, in Taichung City. This study aims to understand the spatiotemporal distribution of these two birds. The birds, their population, habitat, environmental factors, and the relative density of their primary food source, fish, were surveyed in seven sites along the Fa-Tse Creek in Taichung from June 1996 to May 1997. The investigation showed that, the distribution of the Little Egret is more evenly distributed then that of the Night Heron. During the study period, the site of heronry shifted, but the change in location didn''t influence the relative abundance at the feeding sites. The Little Egret tends toward both shallow, slow moving currents as well as swift flowing rapids, while the Night Heron tends mostly toward slow moving currents. The abundance of Night Herons is correlated to the relative density of fish. The Night Heron tends to be found specifically between water depths of 5 to 15 cm. The Night Heron can be seen locally 24 hours a day. The abundance of Night Herons in the creek during the day increases significantly during the breeding season compared to the non-breeding season. These two birds are adapted to noise, but the Night Heron is more sensitive to sudden noise. Keywords : Little Egret, Night Heron, Urban creek, Spatiotemporal distribution, habitat selection, Heronry
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Books on the topic "Night heorn"

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Murali, S. Night heron: Poems. Calcutta: Writers Workshop, 1998.

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Glenn, Danny. Night heron: Poetry. Greensboro, NC: Gabriela Publishing, 2002.

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Butterworth, Jez. The night heron. London: Nick Hern, 2002.

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The night heron. London]: Bloomsbury, 2015.

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Bruce, Devries, ed. What do you see, Mrs. night heron? Sarasota, Florida: The Peppertree Press, 2010.

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1921-, Geggel Heinz, and Bürger Ulrich, eds. Das sagen wir natürlich so nicht!: Donnerstag-Argus bei Herrn Geggel. Berlin: Dietz, 1990.

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Das Evangelium Marcions in seiner ursprünglichen Gestalt: Nebst dem vollständigsten Beweise dargestellt, dass es nicht selbstständig, sondern ein verstümmeltes und verfälschtes Lukas-Evangelium war, den Freunden des Neuen Testaments d den Kritikern insbesondere, namentlich Herrn Hofrath, Ritter und Professor Dr. Eichhorn zur strengen Prüfung vorgelegt. Königsberg: Universitäts-Buchh, 1990.

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Brookes, Adam. Night Heron. Sphere, 2014.

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Brookes, Adam. Night Heron. Orbit, 2016.

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Night Heron. Little, Brown Book Group Limited, 2015.

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Book chapters on the topic "Night heorn"

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McEvoy, Sean. "Exclusion from the Garden: The Night Heron (2002)." In Class, Culture and Tragedy in the Plays of Jez Butterworth, 65–82. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-62711-9_3.

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Hermann, Klaus. "Hör mir auf mit Herrn Kaiser – Wie die Versicherungsbranche nicht mehr sein sollte." In „Ich bin kein Klinkenputzer“, 93–97. Karlsruhe: VVW, 2022. http://dx.doi.org/10.33283/978-3-86298-620-0_10.

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Murk, Karl. "„Lasst uns bitten Gott, den Herrn, dass nicht verlösch der waldecksche Stern“ – Der lange Abschied von der Monarchie in Waldeck-Pyrmont." In Das Ende der Monarchie in den deutschen Kleinstaaten, 109–24. Köln: Böhlau Verlag, 2018. http://dx.doi.org/10.7788/9783412510299.109.

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Grauer, Sabine. "„Die Sache ist, Gott Lob! nicht unsere, sondern des Herrn.“ Zu Peter Fjellstedt (1802–1881) im Dienst der Basler Mission und der Church Missionary Society." In Pietismus und Neuzeit Band 45 – 2019, 229–68. Göttingen: Vandenhoeck & Ruprecht, 2021. http://dx.doi.org/10.13109/9783666573323.229.

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"Night Heron." In The Birds of Ancient Egypt, 18–20. Oxbow Books, 2023. http://dx.doi.org/10.2307/jj.6230179.18.

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Kushlan, James A., and James A. Hancock. "White-backed Night-Heron Nycticorax leuconotus." In Herons, 273–75. Oxford University PressOxford, 2005. http://dx.doi.org/10.1093/oso/9780198549819.003.0045.

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Abstract biology, courtship behaviour, feeding behaviour, and food choice under differing conditions need to be better determined. It should not be assumed a priori that these will be the same as the Black-crowned Night-Heron. Rather it might be hypothesized that such a flexible and nomadic species requires individual and populational responses that differ from those of the Black- crowned Night-Heron. It is intriguing that despite several invasive attempts, the species has not prospered where it overlaps with the Black-Crowned Night-Heron.
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Kushlan, James A., and James A. Hancock. "White-eared Night-Heron Gorsachius magnificus." In Herons, 276–79. Oxford University PressOxford, 2005. http://dx.doi.org/10.1093/oso/9780198549819.003.0046.

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Abstract Other names: Magnificent Night-Heron in English; Martinete Magnifico in Spanish; Bihoreau superbe in French; Hainanreiher in German; Hainan yan in Chinese. Nycticorax magnifica Ogilvie-Grant, 1899. Ibis, p. 586: Five Finger Mountain, Hainan. The White-eared Night-Heron is a medium brown heron with a brown-streaked breast and a white patch on the side of the head. ADULT: The adult male has a black crown with a brown-black crest.The rest of the head is distinctly patterned in white and brown patches.
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"night heron, n." In Oxford English Dictionary. 3rd ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/5441921712.

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Kushlan, James A., and James A. Hancock. "Yellow-crowned Night-Heron Nyctinassa violaceus." In Herons, 252–57. Oxford University PressOxford, 2005. http://dx.doi.org/10.1093/oso/9780198549819.003.0042.

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Abstract and success, and seasonal movements. Its breeding distribution needs to be understood in more precise detail. The Rufous-bellied Heron, like other Ardeola, appears to be a tropical reed bed heron. Many observations suggest that its habitat use is rather more complex though. It is a colonial nester, joining other herons in mixed colonies during the local high water period. It relies on quiet stalking techniques, as do the other pond herons. However, much more must be known to understand this species.
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Kushlan, James A., and James A. Hancock. "South American Bittern Botaurus pinnatus." In Herons, 287–89. Oxford University PressOxford, 2005. http://dx.doi.org/10.1093/oso/9780198549819.003.0049.

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Abstract within a season are all very unusual among herons. This is a species that could reveal new elements of heron behaviour. Range-wide, year-round surveys of its annual occupancy of potentially suitable habitat need to be carried out to provide the basis for a conservation strategy. The situation is much like that in the Japanese Night- Heron. So little is known of this heron that much of its basic biology is speculative and it is not certain what constitutes the essential characteristics of a nocturnal low- to mid-elevation wet forest heron.
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Conference papers on the topic "Night heorn"

1

Andre, Jeffrey T., and D. Alfred Owens. "The distinction between measures of active and passive dark focus and their relationship to optimal accommodative performance." In Vision Science and its Applications. Washington, D.C.: Optica Publishing Group, 1998. http://dx.doi.org/10.1364/vsia.1998.sae.6.

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Abstract:
Since the early 1970s, researchers have been measuring the resting state of accommodation (e.g., Leibowitz & Owens, 1975a, 1978; Epstein, Ingelstam, Jansson & Tengroth, 1981; Heron, Smith & Winn, 1981), operationally defined by Leibowitz & Owens (1975b) as the "dark focus" of accommodation. They proposed that the dark focus could explain anomalous refractive errors that occur in difficult visual conditions such as at night, looking at an empty field or working with an instrument. Based on this concept the dark focus could serve as a basis for predicting and correcting such “anomalous myopias” (Leibowitz & Owens, 1975b; Owens & Leibowitz, 1976). Later studies questioned the clinical utility of the dark focus, however, because different measurement techniques yield varying results. Laser optometers typically find more “myopic” dark focus values, while infrared optometers (e.g., Canon R1) obtain more distant dark focus values (e.g., Post, Johnson, & Tsuetaki, 1984; Post, Johnson, & Owens, 1985).
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