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Journal articles on the topic 'Foraging behaviors'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Reeves, Destiny, and Corrie Moreau. "The evolution of foraging behavior in ants (Hymenoptera: Formicidae)." Arthropod Systematics & Phylogeny 77 (September 17, 2019): 351–63. https://doi.org/10.26049/ASP77-2-2019-10.

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Cooperative foraging behavior is a key characteristic of ants. A variety of foraging behaviors are present across this animal family, but little is known of how these behavioral traits evolved and differentiated. In addition, classification of these foraging behaviors has been inconsistent across the literature. Using four classification methods, we infer the ancestral foraging states across the Formicidae, as well as test the transitions between and resulting speciation due to foraging behavior. Our study reinforces the hypothesis that solitary foraging behaviors are ancestral to cooperative

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Rianti, Puji, Tamara M. Anisa, and Huda S. Darusman. "The Effects of the Fire Hose Square Knot Browser as a Foraging Enrichment Device on the Behavior of Captive Macaca fascicularis." Veterinary Sciences 11, no. 11 (2024): 535. http://dx.doi.org/10.3390/vetsci11110535.

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Effective management of captive M. fascicularis (long-tailed macaques) is crucial for maintaining high-quality research models, necessitating strategies to promote their welfare. This study evaluated the impact of a foraging enrichment device, the “fire hose square knot browser”, on the behavior of 32 long-tailed macaques at the Primate Research Center of IPB University in Bogor, Indonesia. We observed and analyzed daily behaviors across various food types over 288 h using scan and instantaneous sampling methods. Statistical analyses, including ANOVA and Kruskal–Wallis tests, revealed signific

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Su, Weixing, Lin Na, Fang Liu, Wei Liu, Muhammad Aqeel Ashraf, and Hanning Chen. "Artificial Plant Root System Growth for Distributed Optimization: Models and Emergent Behaviors." Open Life Sciences 11, no. 1 (2016): 447–57. http://dx.doi.org/10.1515/biol-2016-0059.

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AbstractPlant root foraging exhibits complex behaviors analogous to those of animals, including the adaptability to continuous changes in soil environments. In this work, we adapt the optimality principles in the study of plant root foraging behavior to create one possible bio-inspired optimization framework for solving complex engineering problems. This provides us with novel models of plant root foraging behavior and with new methods for global optimization. This framework is instantiated as a new search paradigm, which combines the root tip growth, branching, random walk, and death. We perf

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Wolf, Shelby, and Daniel Houlihan. "Behavioral Perspectives on Risk Prone Behavior: Why Do People Take Risks?" International Journal of Psychological Studies 10, no. 2 (2018): 71. http://dx.doi.org/10.5539/ijps.v10n2p71.

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Utilizing the principles and concepts of behavioral economics and operant psychology, researchers in both fields initiated the creation of the optimal foraging theory. This theory describes foraging behaviors mostly within animals other than humans. However, within recent empirical studies, optimal foraging theory has been modified to explain risky choices and decision-making processes within the context of risk-sensitive foraging theory for both animals and humans alike. Although most individuals belonging to the homo sapiensspecies would not like to admit that their behavior is very animalis

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Temeles, Ethan J. "Reversed Sexual Size Dimorphism: Effect on Resource Defense and Foraging Behaviors of Nonbreeding Northern Harriers." Auk 103, no. 1 (1986): 70–78. http://dx.doi.org/10.1093/auk/103.1.70.

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Abstract Sexual differences in resource defense and foraging behaviors during the nonbreeding season are detailed for Northern Harriers (Circus cyaneus) in California. Female harriers hunted more frequently in high (>0.5 m) vegetation than males. In addition, females hunted at slower speeds and used different hunting behaviors than males. Females in high vegetation showed a significantly greater response (i.e. attack) rate to approaching harriers than males, and females won nearly all (28/29) aggressive interactions with males. These results suggest that sexual differences in harrier foragi

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Dailey, Megan J., and Timothy J. Bartness. "Appetitive and consummatory ingestive behaviors stimulated by PVH and perifornical area NPY injections." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 296, no. 4 (2009): R877—R892. http://dx.doi.org/10.1152/ajpregu.90568.2008.

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Food is acquired (obtained by foraging) and frequently stored (hoarded) across animal taxa, including humans, but the physiological mechanisms underlying these behaviors are virtually unknown. We found that peptides that stimulate food intake in rats stimulate food foraging and/or hoarding more than intake in Siberian hamsters. Neuropeptide Y (NPY) is a potent orexigenic peptide that increases food foraging and hoarding (appetitive behavior) and food intake (consummatory behavior). Given that NPY injections into the hypothalamic paraventricular nucleus (PVH) or perifornical area (PFA) increase

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Asem Surindro Singh and Machathoibi Takhellambam Chanu. "Combined role of immediate early genes Egr-1, Hr-38 and Kakusei in the foraging behavior and learning in honeybees." World Journal of Advanced Research and Reviews 16, no. 2 (2022): 458–65. http://dx.doi.org/10.30574/wjarr.2022.16.2.1169.

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The foraging behavior of honeybees is one of the most systematically composed behaviors among social insects which are admirable to watch. The main purpose of honeybee foraging is to collect food for their colony and since ancient days honeybee products have been used for various medicinal purposes (Singh and Takhellambam, 2021) (1). During foraging, honeybees gather information and transmit to their colony members regarding the location, distance, and profitability of forage sites with the help of unique movements called waggle dance. The capacities of honeybees’ time memory enable the forage

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Muzzo, Bashiri Iddy, Kelvyn Bladen, Andres Perea, Shelemia Nyamuryekung’e, and Juan J. Villalba. "Multi-Sensor Integration and Machine Learning for High-Resolution Classification of Herbivore Foraging Behavior." Animals 15, no. 7 (2025): 913. https://doi.org/10.3390/ani15070913.

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This study classified cows’ foraging behaviors using machine learning (ML) models evaluated through random test split (RTS) and cross-validation (CV) data partition methods. Models included Perceptron, Logistic Regression, Support Vector Machine, K-Nearest Neighbors, Random Forest (RF), and XGBoost (XGB). These models classified activity states (active vs. static), foraging behaviors (grazing (GR), resting (RE), walking (W), ruminating (RU)), posture states (standing up (SU) vs. lying down (LD)), and posture combinations with rumination and resting behaviors (RU_SU, RU_LD, RE_SU, and RE_LD). X

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Rombach, Meike, and David L. Dean. "Exploring Key Factors Driving Urban Foraging Behavior in Garden and Non-Garden Locations." Foods 12, no. 5 (2023): 1032. http://dx.doi.org/10.3390/foods12051032.

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Since the occurrence of COVID-19 and food price inflation, alternative forms of food procurement increased in popularity. The present study is dedicated to urban foraging and aims to explore key factors driving food foraging behavior in the U.S. Two specific foraging behaviors, namely “leaving food behind” or “taking it all”, have been investigated in a gardening and non-gardening location. Leaving food behind is crucial to sustainable foraging practices, as it allows plants and ecosystems to recover and promotes fairness in foraging communities. Data was procured from an online consumer surve

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Asem, Surindro Singh, and Takhellambam Chanu Machathoibi. "Combined role of immediate early genes Egr-1, Hr-38 and Kakusei in the foraging behavior and learning in honeybees." World Journal of Advanced Research and Reviews 16, no. 2 (2022): 458–65. https://doi.org/10.5281/zenodo.7785643.

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The foraging behavior of honeybees is one of the most systematically composed behaviors among social insects which are admirable to watch. The main purpose of honeybee foraging is to collect food for their colony and since ancient days honeybee products have been used for various medicinal purposes (Singh and Takhellambam, 2021) (1). During foraging, honeybees gather information and transmit to their colony members regarding the location, distance, and profitability of forage sites with the help of unique movements called waggle dance. The capacities of honeybees’ time memory enable the

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Fujii, Jessica A., Don McLeish, Andrew J. Brooks, John Gaskell, and Kyle S. Van Houtan. "Limb-use by foraging marine turtles, an evolutionary perspective." PeerJ 6 (March 28, 2018): e4565. http://dx.doi.org/10.7717/peerj.4565.

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The use of limbs for foraging is documented in both marine and terrestrial tetrapods. These behaviors were once believed to be less likely in marine tetrapods due to the physical constraints of body plans adapted to locomotion in a fluid environment. Despite these obstacles, ten distinct types of limb-use while foraging have been previously reported in nine marine tetrapod families. Here, we expand the types of limb-use documented in marine turtles and put it in context with the diversity of marine tetrapods currently known to use limbs for foraging. Additionally, we suggest that such behavior

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Zumpano, Francisco, Melina V. Castano, Marco Favero, and Germán O. García. "Factors affecting individual foraging behavior in a threatened seabird: Olrog’s Gull (Larus atlanticus) as a case study." Canadian Journal of Zoology 99, no. 8 (2021): 658–64. http://dx.doi.org/10.1139/cjz-2020-0203.

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The analysis of feeding strategies in animals is one of the most important topics in foraging ecology. The individual’s foraging behavior depends on both the individual’s own actions and the behavior of other foragers. Here we analyse the effect of the sex and group size on the foraging behavior of immature Olrog’s Gull (Larus atlanticus Olrog, 1958), endemic to the Atlantic coast of southern South America and regionally listed a threatened species. Birds were captured, banded, sexed, and aged during the non-breeding season in Mar Chiquita coastal lagoon, Argentina. The foraging behavior was q

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Rosenbaum, Barry, Sukh Amgalanbaatar, and Richard P. Reading. "Seasonal Daytime Activity Budget of Mongolian Gobi Argali Sheep (Ovis ammon)." Mongolian Journal Of Biological Sciences 19, no. 2 (2021): 3–15. http://dx.doi.org/10.22353/mjbs.2021.19.10.

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Activity patterns provide insight into the overall relationship between a species and its environment. Despite declines in populations of argali and some attention on ecological questions, limited information exists on argali behavior. We measured diurnal activity budgets of argali for 12 months by recording behavior (i.e., foraging, bedding, standing, traveling, other) with instantaneous scan sampling at 5-minute intervals. Argali exhibited seasonal differences in activity budgets. The greatest proportion of daytime in winter was spent foraging. The greatest proportion of daytime in summer wa

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McBrayer, Lance D., and Stephen M. Reilly. "Prey processing in lizards: behavioral variation in sit-and-wait and widely foraging taxa." Canadian Journal of Zoology 80, no. 5 (2002): 882–92. http://dx.doi.org/10.1139/z02-068.

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We determined the degree to which lizards process (i.e., chew) and manipulate their prey, using a phylogenetically broad sample of 12 species. Two transport and two chewing behaviors were identified. The transport behaviors included side-to-side movements and lingually mediated posterior movements of the prey. Chewing behaviors included puncture crushing and a previously undescribed behavior we term palatal crushing. Iguanian lizards (sit-and-wait predators) engaged in more palatal-crushing behaviors than autarchoglossans (widely foraging predators) did. However, iguanians also engaged in fewe

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Dailey, Megan E., and Timothy J. Bartness. "Fat pad-specific effects of lipectomy on foraging, food hoarding, and food intake." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 294, no. 2 (2008): R321—R328. http://dx.doi.org/10.1152/ajpregu.00230.2007.

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Unlike most species, after food deprivation, Siberian hamsters increase foraging and food hoarding, two appetitive ingestive behaviors, but not food intake, a consummatory ingestive behavior. We previously demonstrated (Wood AD, Bartness TJ, Am J Physiol Regul Integr Comp Physiol 272: R783−R792, 1997) that increases in food hoarding are triggered by directly decreasing body fat levels through partial surgical lipectomy; however, we did not test if lipectomy affected foraging, nor if the magnitude of the lipid deficit affected food hoard size. Therefore, we tested whether varying the size of th

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Zhong, Yundong, Lei Cheng, Yanguang Fan, Lizhi Zhou, and Yunwei Song. "The Foraging Window for Greater White-Fronted Geese (Anser albifrons) Is Consistent with the Growth Stage of Carex." Diversity 14, no. 11 (2022): 943. http://dx.doi.org/10.3390/d14110943.

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Food resources are key limiting factors for migratory waterbirds, and the foraging strategies adopted by herbivorous waterbirds are affected by food availability in wetland habitats. The greater white-fronted goose (Anser albifrons) is mainly dependent on Carex in the lower and middle Yangtze River floodplain. Exploring the relationship between the growth conditions of Carex and the foraging strategies adopted by wintering greater white-fronted geese has important ecological implications for habitat protection and management. In this study, scan sampling and focal animal sampling were used to

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Calderón-Capote, María C., M. Teague O’Mara, Margaret C. Crofoot, and Dina K. N. Dechmann. "Intraspecific variability of social structure and linked foraging behavior in females of a widespread bat species (Phyllostomus hastatus)." PLOS ONE 20, no. 3 (2025): e0313782. https://doi.org/10.1371/journal.pone.0313782.

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Intraspecific variation in morphology and behavior is widespread, especially in species with large distribution ranges. This includes foraging which can vary according to the local resource landscape. How this may be linked to differences in social structure, especially in socially foraging species is less known. Greater spear-nosed bats are well known for their large repertoire of often highly complex social behaviors. In Trinidad, they form stable groups of unrelated females that recruit other members to temporally unpredictable flowering balsa trees. We compared these findings with a datase

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Geary, Brock, Scott T. Walter, Paul L. Leberg, and Jordan Karubian. "Condition-dependent foraging strategies in a coastal seabird: evidence for the rich get richer hypothesis." Behavioral Ecology 30, no. 2 (2018): 356–63. http://dx.doi.org/10.1093/beheco/ary173.

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Abstract The degree to which foraging individuals are able to appropriately modify their behaviors in response to dynamic environmental conditions and associated resource availability can have important fitness consequences. Despite an increasingly refined understanding of differences in foraging behavior between individuals, we still lack detailed characterizations of within-individual variation over space and time, and what factors may drive this variability. From 2014 to 2017, we used GPS transmitters and accelerometers to document foraging movements by breeding adult Brown Pelicans (Peleca

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Trivelpiece, Wayne Z., John L. Bengtson, Susan G. Trivelpiece, and Nicholas J. Volkman. "Foraging Behavior of Gentoo and Chinstrap Penguins as Determined by New Radiotelemetry Techniques." Auk 103, no. 4 (1986): 777–81. http://dx.doi.org/10.1093/auk/103.4.777.

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Abstract Analysis of radio signals from transmitters affixed to 7 Gentoo (Pygoscelis papua) and 6 Chinstrap (P. antarctica) penguins allowed us to track penguins at sea. Signal characteristics allowed us to distinguish among 5 foraging behaviors: porpoising, underwater swimming, horizontal diving, vertical diving, and resting or bathing. Gentoo Penguins spent a significantly greater portion of their foraging trips engaged in feeding behaviors than Chinstraps, which spent significantly more time traveling. Gentoos had significantly longer feeding dives than Chinstraps (128 s vs. 91 s) and signi

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Sweet, K. A., B. P. Sweet, D. G. E. Gomes, C. D. Francis, and J. R. Barber. "Natural and anthropogenic noise increase vigilance and decrease foraging behaviors in song sparrows." Behavioral Ecology 33, no. 1 (2021): 288–97. http://dx.doi.org/10.1093/beheco/arab141.

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Abstract Animals glean information about risk from their habitat. The acoustic environment is one such source of information, and is an important, yet understudied ecological axis. Although anthropogenic noise has become recently ubiquitous, risk mitigation behaviors have likely been shaped by natural noise over millennia. Listening animals have been shown to increase vigilance and decrease foraging in both natural and anthropogenic noise. However, direct comparisons could be informative to conservation and understanding evolutionary drivers of behavior in noise. Here, we used 27 song sparrows

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Ramakrishnan, Subramanian, Thomas Laurent, Manish Kumar, and Andrea L. Bertozzi. "Spatiotemporal chemotactic model for ant foraging." Modern Physics Letters B 28, no. 30 (2014): 1450238. http://dx.doi.org/10.1142/s0217984914502388.

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In this paper, we present a generic theoretical chemotactic model that accounts for certain emergent behaviors observed in ant foraging. The model does not have many of the constraints and limitations of existing models for ants colony dynamics and takes into account the distinctly different behaviors exhibited in nature by ant foragers in search of food and food ferrying ants. Numerical simulations based on the model show trail formation in foraging ant colonies to be an emergent phenomenon and, in particular, replicate behavior observed in experiments involving the species P. megacephala. Th

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Day, Diane E., Erin Keen-Rhinehart, and Timothy J. Bartness. "Role of NPY and its receptor subtypes in foraging, food hoarding, and food intake by Siberian hamsters." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 289, no. 1 (2005): R29—R36. http://dx.doi.org/10.1152/ajpregu.00853.2004.

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Fasting has widespread physiological and behavioral effects such as increases in arcuate nucleus neuropeptide Y (NPY) gene expression in rodents, including Siberian hamsters. Fasting also stimulates foraging and food hoarding (appetitive ingestive behaviors) by Siberian hamsters but does relatively little to change food intake (consummatory ingestive behavior). Therefore, we tested the effects of third ventricular NPY Y1 ([Pro34]NPY) or Y5 ([d-Trp34]NPY) receptor agonists on these ingestive behaviors using a wheel running-based food delivery system coupled with simulated burrow housing. Siberi

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Talyn, Becky, Kelly Muller, Cindy Mercado, Bryan Gonzalez, and Katherine Bartels. "The Herbicide Glyphosate and Its Formulations Impact Animal Behavior across Taxa." Agrochemicals 2, no. 3 (2023): 367–408. http://dx.doi.org/10.3390/agrochemicals2030022.

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Use of glyphosate and glyphosate-based herbicides is ubiquitous in US agriculture and widespread around the world. Despite marketing efforts to the contrary, numerous studies demonstrate glyphosate toxicity to non-target organisms including animals, primarily focusing on mortality, carcinogenicity, renal toxicity, reproductive, and neurological toxicity, and the biochemical mechanisms underlying these physiological outcomes. Glyphosate toxicity also impacts animal behavior, both in model systems and in agricultural and environmentally relevant contexts. In this review, we examine the effects o

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Hepp, Gary R. "Effects of environmental parameters on the foraging behavior of three species of wintering dabbling ducks (Anatini)." Canadian Journal of Zoology 63, no. 2 (1985): 289–94. http://dx.doi.org/10.1139/z85-044.

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Foraging behaviors of wintering gadwall (Anas strepera), pintail (Anas acuta), and green-winged teal (Anas crecca carolinensis) were studied at Bodie Island, North Carolina. Foraging speed (metres per minute) and rate of foraging (dips per minute) did not differ by sex, but significant monthly variation of foraging components occurred for all species. Ducks fed at faster rates and increased their foraging speed as winter progressed. Stepwise multiple regression procedures were used to test the effects of day length (minutes), mean daily temperature (degrees Celsius), mean daily wind speed (kil

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Miao, Hongyu, Wengjing Li, Yongwen Huang, and Woo Jae Kim. "The foraging gene coordinates brain and heart networks to modulate socially cued interval timing in Drosophila." PLOS Genetics 21, no. 7 (2025): e1011752. https://doi.org/10.1371/journal.pgen.1011752.

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The foraging gene (for) regulates behavioral plasticity and decision-making, influencing adaptive behaviors such as foraging, learning, and memory. In Drosophila melanogaster, we explore its role in interval timing behaviors, particularly mating duration. Two allelic variants, rover (forR) and sitter (forS), exhibit distinct effects: forR disrupts shorter mating duration (SMD) but not longer mating duration (LMD), while forS impairs LMD but not SMD. Transheterozygotes (forR/forS) disrupt both behaviors, revealing complex allelic interactions. Using single-cell RNA sequencing and knockdown expe

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Pavlic, Theodore P., and Kevin M. Passino. "Generalizing foraging theory for analysis and design." International Journal of Robotics Research 30, no. 5 (2011): 505–23. http://dx.doi.org/10.1177/0278364910396551.

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Foraging theory has been the inspiration for several decision-making algorithms for task-processing agents facing random environments. As nature selects for foraging behaviors that maximize lifetime calorie gain or minimize starvation probability, engineering designs are favored that maximize returned value (e.g. profit) or minimize the probability of not reaching performance targets. Prior foraging-inspired designs are direct applications of classical optimal foraging theory (OFT). Here, we describe a generalized optimization framework that encompasses the classical OFT model, a popular compe

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Xie, Lei, Tong Han, Huan Zhou, Zhuo-Ran Zhang, Bo Han, and Andi Tang. "Tuna Swarm Optimization: A Novel Swarm-Based Metaheuristic Algorithm for Global Optimization." Computational Intelligence and Neuroscience 2021 (October 20, 2021): 1–22. http://dx.doi.org/10.1155/2021/9210050.

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In this paper, a novel swarm-based metaheuristic algorithm is proposed, which is called tuna swarm optimization (TSO). The main inspiration for TSO is based on the cooperative foraging behavior of tuna swarm. The work mimics two foraging behaviors of tuna swarm, including spiral foraging and parabolic foraging, for developing an effective metaheuristic algorithm. The performance of TSO is evaluated by comparison with other metaheuristics on a set of benchmark functions and several real engineering problems. Sensitivity, scalability, robustness, and convergence analyses were used and combined w

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Kole, Harvey. "FREE ENERGY FORAGING IN AN AFFORDANCE LANDSCAPE." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 7, no. 8 (2018): 450–70. https://doi.org/10.5281/zenodo.1345686.

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<strong>ABSTRACT</strong> <strong>Introduction</strong> In this article we construct a simulation of a virtual agent which is equipped with a predictive model of its environment and which operates based on the free energy principle to minimize prediction error. The agent is capable of perceiving a landscape of multiple a_ordances for action in the environment, and selects behaviors towards those a_ordances based on its internal needs and its relation to certain facets of the environment. <strong>Methods</strong> Through the use of a hierarchical model, the agent is endowed with the ability to

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Flint, Paul L., John A. Reed, Deborah L. Lacroix, and Richard B. Lanctot. "Habitat Use and Foraging Patterns of Molting Male Long-tailed Ducks in Lagoons of the Central Beaufort Sea, Alaska." ARCTIC 69, no. 1 (2016): 19. http://dx.doi.org/10.14430/arctic4544.

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From mid-July through September, 10 000 to 30 000 Long-tailed Ducks (<em>Clangula hyemalis</em>) use the lagoon systems of the central Beaufort Sea for remigial molt. Little is known about their foraging behavior and patterns of habitat use during this flightless period. We used radio transmitters to track male Long-tailed Ducks through the molt period from 2000 to 2002 in three lagoons: one adjacent to industrial oil field development and activity and two in areas without industrial activity. We found that an index to time spent foraging generally increased through the molt period

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Okuyama, T., and R. L. Ruyle. "Analysis of adaptive foraging in an intraguild predation system." Web Ecology 4, no. 1 (2003): 1–6. http://dx.doi.org/10.5194/we-4-1-2003.

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Abstract. An intraguild predation (IGP) system with adaptive foraging behavior was analyzed using a simple mathematical model. The main aim was to explore how the adaptive behavior affects species interactions as well as how such interactions derived from adaptive behavior affect community stability. The focal system contained top predators, intermediate predators, and basal prey. Intermediate predators exhibit antipredator behavior and balance costs (e.g. perceived predation risk) and benefits (e.g. resource intake) to determine their foraging effort. Density-dependent foraging behavior with

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Lee, Won, Eilene Yang, and James P. Curley. "Foraging dynamics are associated with social status and context in mouse social hierarchies." PeerJ 6 (September 19, 2018): e5617. http://dx.doi.org/10.7717/peerj.5617.

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Living in social hierarchies requires individuals to adapt their behavior and physiology. We have previously shown that male mice living in groups of 12 form linear and stable hierarchies with alpha males producing the highest daily level of major urinary proteins and urine. These findings suggest that maintaining alpha status in a social group requires higher food and water intake to generate energetic resources and produce more urine. To investigate whether social status affects eating and drinking behaviors, we measured the frequency of these behaviors in each individual mouse living in a s

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Haase, Catherine G., Robert J. Fletcher, Daniel H. Slone, James P. Reid, and Susan M. Butler. "Traveling to thermal refuges during stressful temperatures leads to foraging constraints in a central-place forager." Journal of Mammalogy 101, no. 1 (2019): 271–80. http://dx.doi.org/10.1093/jmammal/gyz197.

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Abstract Central-place foragers can be constrained by the distance between habitats. When an organism relies on a central place for thermal refuge, the distance to food resources can potentially constrain foraging behavior. We investigated the effect of distance between thermal refuges and forage patches of the cold-intolerant marine mammal, the Florida manatee (Trichechus manatus latirostris), on foraging duration. We tested the alternative hypotheses of time minimization and energy maximization as a response to distance between habitats. We also determined if manatees mitigate foraging const

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Keen-Rhinehart, Erin, and Timothy J. Bartness. "Peripheral ghrelin injections stimulate food intake, foraging, and food hoarding in Siberian hamsters." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 288, no. 3 (2005): R716—R722. http://dx.doi.org/10.1152/ajpregu.00705.2004.

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Fasting triggers many effects, including increases in circulating concentrations of ghrelin, a primarily stomach-derived orexigenic hormone. Exogenous ghrelin treatment stimulates food intake, implicating it in fasting-induced increases in feeding, a consummatory ingestive behavior. In Siberian hamsters, fasting also stimulates appetitive ingestive behaviors such as foraging and food hoarding. Therefore, we tested whether systemic ghrelin injections (3, 30, and 200 mg/kg) would stimulate these appetitive behaviors using a running wheel-based food delivery system coupled with simulated burrow h

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Hall, Stephen J. G., Robert G. H. Bunce, David R. Arney, and Elis Vollmer. "Sheep in Species-Rich Temperate Grassland: Combining Behavioral Observations with Vegetation Characterization." Animals 10, no. 9 (2020): 1471. http://dx.doi.org/10.3390/ani10091471.

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Foraging behavior of livestock in species-rich, less intensively managed grassland communities will require different methodologies from those appropriate in floristically simple environments. In this pilot study on sheep in species-rich grassland in northern Estonia, foraging behavior and the plant species of the immediate area grazed by the sheep were registered by continually-recording Go-Pro cameras. From three days of observation of five sheep (706 animal-minutes), foraging behavior was documented. Five hundred and thirty-six still images were sampled, and a plant species list was compile

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Patel, Rickesh N., and Thomas W. Cronin. "Path integration error and adaptable search behaviors in a mantis shrimp." Journal of Experimental Biology 223, no. 14 (2020): jeb224618. http://dx.doi.org/10.1242/jeb.224618.

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ABSTRACTMantis shrimp of the species Neogonodactylus oerstedii occupy small burrows in shallow waters throughout the Caribbean. These animals use path integration, a vector-based navigation strategy, to return to their homes while foraging. Here, we report that path integration in N. oerstedii is prone to error accumulated during outward foraging paths and we describe the search behavior that N. oerstedii employs after it fails to locate its home following the route provided by its path integrator. This search behavior forms continuously expanding, non-oriented loops that are centered near the

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Singaravelan, Natarajan, and Ganapathy Marimuthu. "In situ feeding tactics of short-nosed fruit bat (Cynopterus sphinx) on mango fruits: evidence of extractive foraging in a flying mammal." Journal of Ethology 26, no. 1 (2008): 1–7. https://doi.org/10.5281/zenodo.14818508.

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(Uploaded by Plazi for the Bat Literature Project) We report a sequence of behaviors exhibited by the short-nosed fruit bat Cynopterus sphinx while feeding on fruits of Mangifera indica. They peel off the outer skin to form a feeding area of about 3–6 cm diameter. Such food preparatory behaviors were more pronounced on larger mangoes. Bats competed among themselves to feed on the mangoes that had such feeding areas exposed. Individuals that spent a considerable amount of time on food preparatory behaviors actively secured the fruits. Altogether, these behaviors indicate that Cynopterus bats mi

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Zhang, Hong, Shuang Shan, Shaohua Gu, et al. "Prior Experience with Food Reward Influences the Behavioral Responses of the Honeybee Apis mellifera and the Bumblebee Bombus lantschouensis to Tomato Floral Scent." Insects 11, no. 12 (2020): 884. http://dx.doi.org/10.3390/insects11120884.

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Bee responses to floral scent are usually influenced by both innate biases and prior experience. Honeybees are less attracted than bumblebees to tomato flowers. However, little is known about how tomato floral scent regulates the foraging behaviors of honeybees and bumblebees. In this study, the foraging behaviors of the honeybee Apis mellifera and the bumblebee Bombus lantschouensis on tomato flowers in greenhouses were investigated. Whether the two bee species exhibit different responses to tomato floral scent and how innate biases and prior experience influence bee choice behavior were exam

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Lei, Yanyuan, Yangyang Zhou, Lihua Lü, and Yurong He. "Rhythms in Foraging Behavior and Expression Patterns of the Foraging Gene in Solenopsis invicta (Hymenoptera: Formicidae) in relation to Photoperiod." Journal of Economic Entomology 112, no. 6 (2019): 2923–30. http://dx.doi.org/10.1093/jee/toz175.

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Abstract The foraging gene (for) is associated with foraging and other associated behaviors in social insect species. Photoperiod is known to entrain the rhythmic biological functions of ants; however, how photoperiod might influence the intensity and duration of foraging, and the expression of for, remains unexplored. This study determined the correlation between rhythm in foraging behavior and expression of the foraging gene (Sifor) mRNA in red imported fire ant, Solenopsis invicta Buren. Foragers were exposed to three photoperiod conditions (12:12 [L:D], 24:0 [L:D], and 0:24 [L:D]) in the l

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Barros, Isabella Brosens, Cristiano Schetini de Azevedo, Cynthia Fernandes Cipreste, et al. "The Impact of Food Enrichment on the Behavior of Cownose Ray (Rhinoptera bonasus) Kept under Human Care." Journal of Zoological and Botanical Gardens 5, no. 2 (2024): 325–37. http://dx.doi.org/10.3390/jzbg5020023.

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The cownose ray (Rhinoptera bonasus) faces vulnerability primarily due to unregulated fishing, resource overexploitation, and habitat degradation. Consequently, individuals maintained under human care play a pivotal role in species conservation, particularly when their welfare is prioritized. Achieving optimal welfare in aquarium settings relies heavily on effective management practices, notably environmental enrichment. However, research on the efficacy of such techniques for cownose rays remains limited. Thus, this study sought to evaluate the impact of various food enrichment items on the b

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Mullin, Stephen J., Robert J. Cooper, and William HN Gutzke. "The foraging ecology of the gray rat snake (Elaphe obsoleta spiloides). III. Searching for different prey types in structurally varied habitats." Canadian Journal of Zoology 76, no. 3 (1998): 548–55. http://dx.doi.org/10.1139/z97-228.

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Dietary generalists foraging for prey inhabiting different microhabitats may encounter different levels of structural complexity. We examined the effect of variation in prey type on the predation success and behaviors of the semi-arboreal gray rat snake (Elaphe obsoleta spiloides) foraging in structurally varied habitats. Individual snakes searched for contents of arboreal birds' nests or for small rodents in enclosures that simulated a bottomland hardwood forest habitat with one of five levels of vegetation density. Latency to prey capture was lower when the snakes were searching for small ro

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Wark, Jason D., and Katherine A. Cronin. "Factors shaping giraffe behavior in U.S. zoos: A multi-institutional study to inform management." PLOS One 20, no. 5 (2025): e0324248. https://doi.org/10.1371/journal.pone.0324248.

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Giraffes are one of the most commonly housed megafauna in zoos. Variation across zoos (e.g., geographic location, housing, and husbandry), may be expected to influence giraffe behavior. However, past studies have typically focused on a small number of zoos, limiting generalizable conclusions. Here, we expand upon a recent report on the behavior patterns of zoo-housed giraffes to evaluate the influence of several factors on giraffe behavior. Data were recorded on 66 individuals housed across 18 zoos over a one-year period (n = 8,330 10-min observation sessions). Generalized linear mixed models

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MacKenzie, Ellen L., Dave Goulson, and Ellen L. Rotheray. "Investigating the Foraging, Guarding and Drifting Behaviors of Commercial Bombus terrestris." Journal of Insect Behavior 34, no. 5-6 (2021): 334–45. http://dx.doi.org/10.1007/s10905-021-09790-0.

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AbstractSocial insects have high levels of cooperation and division of labor. In bumble bees this is partly size-based, with larger bees performing tasks outside the nest and smaller bees remaining inside, although bumble bees still display considerable behavioral plasticity. The level of specialization in tasks outside the colony, including foraging, guarding and drifting (entering a foreign colony), is currently unknown for bumble bees. This study aimed to assess division of labor between outside tasks and the degree of specialization in foraging, guarding, and switching colonies in commerci

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Campbell, Dana L. M., Sue Belson, Tim R. Dyall, Jim M. Lea, and Caroline Lee. "Impacts of Rearing Enrichments on Pullets’ and Free-Range Hens’ Positive Behaviors across the Flock Cycle." Animals 12, no. 3 (2022): 280. http://dx.doi.org/10.3390/ani12030280.

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Enrichment during the indoor rearing of pullets destined for free-range systems may optimize pullet development including increasing motivated natural behaviors (termed ‘positive behaviors’) including foraging, dust bathing and chick play. Hy-Line Brown® chicks (n = 1700) were floor-reared indoors across 16 weeks with three enrichment treatments (n = 3 pens/treatment): (1) standard control, (2) weekly novel objects—‘novelty’, (3) perching/navigation structures—‘structural’. At 16 weeks, pullets (n = 1386) were transferred to nine identical pens within rearing treatments with outdoor range acce

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Güler, Mehmet, and Aynur Lök. "Foraging Behaviors ofHexaplex trunculus(Gastropoda: Muricidae) Juveniles." Journal of Shellfish Research 35, no. 4 (2016): 911–19. http://dx.doi.org/10.2983/035.035.0418.

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Chang, Yang-Chi, Jang-Ching Yan, Jiang-Shiou Hwang, Cheng-Han Wu, and Meng-Tsung Lee. "Data-oriented analyses of ciliate foraging behaviors." Hydrobiologia 666, no. 1 (2010): 223–37. http://dx.doi.org/10.1007/s10750-010-0548-5.

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Anderson, Dave, Laurie Shuster, Cindy R. Elliser, et al. "Harbor Porpoise Aggregations in the Salish Sea." Oceans 4, no. 3 (2023): 269–85. http://dx.doi.org/10.3390/oceans4030019.

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Harbor porpoises are typically seen in small groups of 1–3 individuals, with aggregations of 20+ individuals treated as rare events. Since the 1990s, the harbor porpoise population in the Salish Sea has seen a significant recovery, and an increased number of observed aggregations that exceed the more usual small group sizes has been observed in recent years. By combining the observational data of United States and Canadian research organizations, community scientists, and whale watch captains or naturalists, we demonstrate that harbor porpoise aggregations appear to be more common than previou

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Wojczulanis-Jakubas, Katarzyna, and Marcelo Araya-Salas. "Foraging, Fear and Behavioral Variation in a Traplining Hummingbird." Animals 13, no. 12 (2023): 1997. http://dx.doi.org/10.3390/ani13121997.

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Traditionally, foraging behavior has been explained as the response to a trade-off between energetic gain from feeding resources and potential costs from concomitant risks. However, an increasing number of studies has shown that this view fails to explain an important fraction of the variation in foraging across a variety of taxa. One potential mechanism that may account for this variation is that various behavioral traits associated with foraging may have different fitness consequences, which may depend on the environmental context. Here, we explored this mechanism by evaluating the foraging

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Aplin, Lucy M., Ben C. Sheldon, and Richard McElreath. "Conformity does not perpetuate suboptimal traditions in a wild population of songbirds." Proceedings of the National Academy of Sciences 114, no. 30 (2017): 7830–37. http://dx.doi.org/10.1073/pnas.1621067114.

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Social learning is important to the life history of many animals, helping individuals to acquire new adaptive behavior. However despite long-running debate, it remains an open question whether a reliance on social learning can also lead to mismatched or maladaptive behavior. In a previous study, we experimentally induced traditions for opening a bidirectional door puzzle box in replicate subpopulations of the great titParus major. Individuals were conformist social learners, resulting in stable cultural behaviors. Here, we vary the rewards gained by these techniques to ask to what extent estab

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Chen, Jingfeng, Yin Qi, Yayong Wu, Xiaocui Wang, and Yezhong Tang. "Covariations between personality behaviors and metabolic/performance traits in an Asian agamid lizard (Phrynocephalus vlangalii)." PeerJ 7 (June 28, 2019): e7205. http://dx.doi.org/10.7717/peerj.7205.

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Ecological factors related to predation risks and foraging play major roles in determining which behavioral traits may mediate life history trade-offs and, therefore, the pace-of-life syndrome (POLS) structure among behavioral, physiological, and life-history traits. It has been proposed that activity/exploration or risk-taking behaviors are more likely to impact resource acquisition for organisms (individuals, populations, and species) foraging on clumped and ephemeral food sources than for organisms foraging on abundant and evenly distributed resources. In contrast, vigilance or freezing beh

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Ohnishi, Kei. "Noncooperative Population-Based Search Relying on Spatial and/or Temporal Scale-Free Behaviors of Individuals." Journal of Robotics and Mechatronics 36, no. 3 (2024): 618–27. http://dx.doi.org/10.20965/jrm.2024.p0618.

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Although individuals of species engaging in cooperative foraging behaviors are often modeled as swarm intelligence optimization algorithms, there are also several species whose individuals take noncooperative foraging behaviors. Some such species exhibit common behaviors, which we call scale-free behaviors in this study. A type of scale-free behavior is spatial scale-free behavior, in which the moving distance of an individual from the present food source follows a power-law distribution. Second, the staying duration of an individual at the current food source follows a power-law distribution,

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