Nest defensibility decreases home-range size in central place foragers

Thomas K Lameris, Joel S Brown, Erik Kleyheeg, Patrick A Jansen and Frank van Langevelde

Behavioral Ecology, 2018, vol. 29, issue 5, 1038-1045

Abstract: Animals that are able to defend their nest against predators will stay close to their nest while foraging. Using a theoretical model, we find that animals that search for food for their nestlings have smaller territories as the risk of nest predation during their absence increases. If animals are also capable of chasing predators, they will have even smaller territories. However, these effects disappear with increasing food availability.

Keywords: Central place foraging; nest predation; theoretical model; movement behavior; defensibility (search for similar items in EconPapers)
Date: 2018
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