Ethology

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Influenza Infection Neutralizes the Attractiveness of Male Odour to Female Mice (Mus musculus)
Ethology - Tập 104 Số 8 - Trang 685-694 - 1998
Dustin J. Penn, Greg Schneider, Krislea White, Patricia Slev, Wayne K. Potts
AbstractThis study aimed to determine if female house mice, Mus musculus domesticus, are able to assess a male's infection status from odour cues. We collected urine from male mice before, during, and after they were experimentally infected with influenza, a respiratory virus. Females spent more time investigating urine collected from mal...... hiện toàn bộ
Demonstration of Strength and Concealment of Weakness in Escalating Fights of Male Swordtails (Xiphophorus helleri)
Ethology - Tập 93 Số 4 - Trang 265-274 - 1993
Alexander Ribowski, Dierk Franck
AbstractIn the green swordtail (Xiphophorus helleri) confrontations between strange males regularly escalate to high levels of mutual Bites and Fin Grips, even between males differing greatly in size. The original expectation of early game theory models that the behaviours of the ultimate winners and losers are indistinguishable until sho...... hiện toàn bộ
Assessment Strategies and the Effects of Fighting Experience on Future Contest Performance in the Green Anole (Anolis carolinensis)
Ethology - Tập 118 Số 9 - Trang 821-834 - 2012
Mark J. Garcia, Laura Paiva, Michelle Lennox, Boopathy Sivaraman, Stephanie Wong, Ryan L. Earley
AbstractSocial experiences can be useful sources of information for animals charged with making fitness‐related decisions. Fighting experience can alter an animal's perception of its fighting ability possibly leading to changes in future contest decisions, which may increase/decrease their probability of winning future contests. Winner and loser effects have been r...... hiện toàn bộ
Prolonged Parental Feeding in Tool‐Using New Caledonian Crows
Ethology - Tập 118 Số 5 - Trang 423-430 - 2012
Gavin R. Hunt, Jennifer C. Holzhaider, Russell D. Gray
AbstractAccording to life‐history theory, the duration of extended parental feeding is determined by the costs and benefits of maximising reproductive success. Therefore, the length of regular parental provisioning should be correlated with the time required for juveniles to acquire the skills that they need to be independent. The relatively few cases of extremely ...... hiện toàn bộ
Socio‐Spatial Relationships in Dairy Cows
Ethology - Tập 116 Số 1 - Trang 10-23 - 2010
Lorenz Gygax, Gesa Neisen, Beat Wechsler
AbstractFarm animals may serve as models for evaluating social networks in a controlled environment. We used an automated system to track, at fine temporal and spatial resolution (once per minute, ±50 cm) every individual in six herds of dairy cows (Bos taurus). We then analysed the data using social network analyses. Relationships were b...... hiện toàn bộ
The effects of exposure to predators on personality and plasticity
Ethology - Tập 127 Số 2 - Trang 158-165 - 2021
Amy Bucklaew, Ned A. Dochtermann
AbstractPast experiences are known to affect average behavior but effects on animal personality and plasticity are less well studied. To determine whether experience with predators influences these aspects, we compared the behavior of Gryllodes sigillatus before and after exposure to live predators. We found that emergence from shelter an...... hiện toàn bộ
What Triggers Reproductive Life? Effects of Adolescent Cohabitation, Social Novelty and Aggression in a Monogamous Mouse
Ethology - Tập 115 Số 1 - Trang 87-95 - 2009
Nicolas Busquet, Corinne Leveille Nizerolle, Christophe Féron
AbstractCohabitation during childhood has been described as a powerful inhibitor of later sexual interest in animals including humans (the ‘Westermarck effect’), serving as a brother–sister incest avoidance mechanism. Mound‐building mice Mus spicilegus display a strong social inhibition of reproduction, responsible for the absence of repr...... hiện toàn bộ
Within‐Individual Correlations Reveal Link Between a Behavioral Syndrome, Condition, and Cortisol in Free‐Ranging Belding's Ground Squirrels
Ethology - Tập 121 Số 2 - Trang 125-134 - 2015
Andy Dosmann, Katherine C. Brooks, Jill M. Mateo
AbstractAnimals often exhibit consistent individual differences in behavior (i.e., animal personality) and correlations between behaviors (i.e., behavioral syndromes), yet the causes of those patterns of behavioral variation remain insufficiently understood. Many authors hypothesize that state‐dependent behavior produces animal personality and behavioral syndromes....... hiện toàn bộ
Environmental Conditions and Intraspecific Interference: Unexpected Effects of Turbidity on Pike (Esox lucius) Foraging
Ethology - Tập 115 Số 1 - Trang 33-38 - 2009
P. Anders Nilsson, Lene Jacobsen, S. Berg, Christian Skov
AbstractInterference among predators decreases per capita foraging rates and has implications for both community dynamics and top‐down trophic processes. Interference originates from behavioural interactions among foragers, and these behaviours could be affected by environmental conditions. In experiments on pike foraging alone or among conspecifics in different le...... hiện toàn bộ
Sex Differences in Giraffe Feeding Ecology: Energetic and Social Constraints
Ethology - Tập 87 Số 1-2 - Trang 79-89 - 1991
Truman P. Young, Lynne A. Isbell
AbstractSex ratios of giraffe groups differ in different habitats, with open vegetation having female‐biased groups, and tall, thick vegetation having male‐biased groups. On a ranch in south‐central Kenya, we quantified habitat differences of male and female giraffe groups and showed that the preference for open habitats by female groups was limited to groups with ...... hiện toàn bộ
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