Dual foraging and pair coordination during chick provisioning by Manx shearwaters: empirical evidence supported by a simple model.

ABSTRACT: The optimal allocation of time and energy between one's own survival and offspring survival is critical for iteroparous animals, but creates a conflict between what maximises the parent's fitness and what maximises fitness of the offspring. For central-place foragers, provisioning strategies may reflect this allocation, while the distance between central-places and foraging areas may influence the decision. Nevertheless, few studies have explored the link between life history and foraging in the context of resource allocation. Studying foraging behaviour alongside food load rates to chicks provides a useful system for understanding the foraging decisions made during parent-offspring conflict. Using simultaneously deployed GPS and time-depth recorders, we examined the provisioning strategie

SUBMITTER: Shoji A 

PROVIDER: S-EPMC4510841 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature