A kin selection model is described for populations in which groups of interacting individuals (trait groups, sensu Wilson 1975) are spatially situated within larger aggregations. The model predicts ...

In situations where foraging sites vary both in food reward and predation risk, conventional optimal foraging models based on the criterion of maximizing net rate of energy intake commonly fail to ...

New insight on how zebrafish achieve near-optimal foraging efficiency and fairness among groups has been published today in the open-access journal eLife. The findings, based on analysis of the joint ...