Abstract
When a group of individuals exploits a single patch, each forager acquires just a fraction of the patch sample information generated by the group. Because of this, individuals in groups may generate less precise patch estimates than solitary foragers. In addition, in cohesive groups, individuals may be forced to abandon a patch they estimate to be of high quality simply because all other group members abandon the patch. I quantify the associated foraging costs of less precise patch estimates and group cohesion by performing a series of Monte Carlo simulations. I compare the performance of a solitary forager with that of three possible patch estimation and departure strategies for group foragers. The three group strategies differ in the amount or kind of patch sample information used to estimate patch quality
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