![]() In experiment 2, we examined the interaction between availability time and handling time, and we found a significant effect of handling time (jays cached more when handling times were short), but no effect of availability time (apparently contradicting experiment 1). In experiment 1, we tested the predicted effect of availability time, and we found that blue jays cached more food items when availability time was short. These experiments explored the effects of three theoretically important variables: availability time (Ta), handling time (h) and background foraging rate (γ). ![]() ![]() We conducted three experiments using captive blue jays, Cyanocitta cristata, to test the predictions of this model. In this paper we develop a simplified and experimentally tractable version of Andersson & Krebs’s (1978, Animal Behaviour, 26, 707–711) classical model of caching behaviour.
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