Human obesity has a large genetic component, yet has many serious negative
consequences. How this state of affairs has evolved has generated wide debate. The thrifty …

Anthropogenically-driven climate warming is a hypothesized driver of animal body size
reductions. Less understood are effects of other human-caused disturbances on body size …

To investigate the ecological significance of personality, researchers generally measure
behavioural traits in captivity. Whether behaviour in captivity is analogous to behaviour in …

Response delays to predator attack may be adaptive, suggesting that latency to respond
does not always reflect predator detection time, but can be a decision based on starvation …

Behavioural traits generally and cognitive traits in particular are relatively understudied in an
evolutionary ecological context. One reason for this is that such traits are often difficult to …

Daily patterns in the foraging behaviour of birds are assumed to balance the counteracting
risks of predation and starvation. Predation risks are a function of the influence of weight on …

Theory suggests that individual personality is tightly linked to individual life histories and to
environmental variation. The reactive–proactive axis, for example, is thought to reflect …

Students of evolutionary and behavioural ecology are often unfamiliar with mathematical
techniques, though much of biology relies on mathematics. Evolutionary ideas are often …

Summary 1 Millions of shorebirds migrate each year through a small number of highly
productive staging areas where they often conflict with fisheries interests. Delaware Bay …

For group-living individuals to remain spatially coherent, coordinated behaviour across
group members is essential. We investigated what factors can promote or constrain the …