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Stick or twist: roe deer adjust their flight behaviour to the perceived trade-off between risk and reward

Archive ouverte | Bonnot, Nadège | CCSD

Because avoiding predation is crucial for fitness, foraging animals must trade acquisition of high-quality resources against risk avoidance when the best resources occur in locations with high predation risk. Although optimality m...

Condition-dependent natal dispersal in a large herbivore: heavier animals show a greater propensity to disperse and travel further

Archive ouverte | Debeffe, Lucie | CCSD

International audience. 1. Natal dispersal is defined as the movement between the natal range and the site of first breeding and is one of the most important processes in population dynamics. The choice an individua...

Sex differences in condition dependence of natal dispersal in a large herbivore: dispersal propensity and distance are decoupled

Archive ouverte | Hewison, A. J. M. | CCSD

International audience. Evolution should favour plasticity in dispersal decisions in response to spatial heterogeneity in social and environmental contexts. Sex differences in individual optimization of dispersal de...

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