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Assessment of fighting ability in animal contests
Selection should favour accurate information gathering regarding the likely costs and benefits of continued conflict. Here we consider how variation in the abilities of contestants to assessExpand
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The mismeasure of animal contests
Abstract Contests between rivals placing similar value on the resource at stake are commonly won by the rival having greater ‘resource holding potential’ (RHP). Mutual assessment of RHP differenceExpand
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Information gathering and decision making about resource value in animal contests
Contestants are predicted to adjust the cost of a fight in line with the perceived value of the resource and this provides a way of determining whether the resource has been assessed. An assessmentExpand
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THE TROPHIC ECOLOGY OF FRESHWATER GAMMARUS SPP. (CRUSTACEA:AMPHIPODA): PROBLEMS AND PERSPECTIVES CONCERNING THE FUNCTIONAL FEEDING GROUP CONCEPT
Gammarus spp. are widespread throughout a diverse range of freshwater habitats and can be the dominant part of many benthic macroinvertebrate assemblages, in terms of both numbers and/or biomass.Expand
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Behavioural trait assessment as a release criterion: boldness predicts early death in a reintroduction programme of captive-bred swift fox ( Vulpes velox )
Reintroduction of captive-bred animals is a key approach in conservation attempts for many endangered species, however, post-release survival is often low. Rearing conditions may be unlike thoseExpand
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Sexual cannibalism and mate choice
Sexual cannibalism, where a female kills and consumes a courting male, represents an extreme form of sexual conflict and has been proposed as a mechanism of mate choice. We evaluate the evidence forExpand
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Defining and assessing animal pain
The detection and assessment of pain in animals is crucial to improving their welfare in a variety of contexts in which humans are ethically or legally bound to do so. Thus clear standards to judgeExpand
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Understanding how animals fight with Lloyd Morgan's canon
Various game theory models have been used to explain animal contests. Here we attend to the presumed cognitive abilities required by these models with respect to information gathering and consequentExpand
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The amorous Gammarus: size assortative mating in G. pulex
Abstract The hypothesis that size assortative mating in Gammarus pulex is due to male-male competition was examined in three experiments. When males were given a choice of two mates they preferred toExpand
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Sleeping Site Selection by the Golden‐handed Tamarin Saguinus midas midas: The Role of Predation Risk, Proximity to Feeding Sites, and Territorial Defence
Tamarin monkeys, of the genus Saguinus, spend over half their lives at arboreal sleeping sites. The decision as to which site to use is likely to have considerable fitness consequences. TheseExpand
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