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Social Foraging Theory
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An empirical demonstration of risk-sensitive foraging preferences
We report laboratory experiments with yellow-eyed juncos (Junco phaeonotus) revealing that the birds' foraging preferences for variable rewards respond not only to the mean, but also the variance, ofExpand
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A model of foraging in a stochastic environment is presented. Expand
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Energy budgets, risk and foraging preferences in dark-eyed juncos (Junco hyemalis)
  • T. Caraco
  • Biology
  • Behavioral Ecology and Sociobiology
  • 1 June 1981
SummaryJuncos' preferences for constant versus variable food rewards were tested in three series of aviary experiments. Deprivation and feeding rates were varied across the three treatments, but theExpand
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On the Adaptive Value of Physiological Integraton in Colonal Plants
In clonal plants, genetically identical ramets arise from a common stolon or rhizome. Anatomical connection often allows physiological integration, the translocation of resources from a larger motherExpand
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The scanning behavior of juncos: A game-theoretical approach
Abstract Flocking birds frequently look up or “scan” while they are feeding on the ground. High scanning rates increase the probability that the birds in a flock will see an approaching predator inExpand
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Stage‐Structured Infection Transmission and a Spatial Epidemic: A Model for Lyme Disease
A greater understanding of the rate at which emerging disease advances spatially has both ecological and applied significance. Analyzing the spread of vector‐borne disease can be relatively complexExpand
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Foraging animals confront problems conceptually similar to those facing an economically minded consumer (46, 47), and foraging theory shares a methodology in common with economics. Indeed, the lastExpand
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Risk‐Sensitivity and Foraging Groups
Several recent studies reveal that foraging animals select resources in response to the probability distributions of rewards obtained and costs expended, rather than the expected values alone. ThisExpand
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