#9505. The effects of food limitation on behavior, corticosterone, and the use of social information in the red crossbill (Loxia curvirostra)

September 2026publication date
Proposal available till 11-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Ecology, Evolution, Behavior and Systematics;
Experimental and Cognitive Psychology;
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Abstract:
Meeting metabolic demands through foraging is a basic animal need that drives the evolution of foraging adaptations. The use of social information is one adaptation that could improve foraging success and fitness if it helps animals locate food when conditions are challenging. It is unknown if food limitation—or the glucocorticoid hormones that are often released when food is limited—can influence the extent to which animals use social information or their ability to learn novel foraging techniques. We explored the effects of limited access to food on activity levels, corticosterone secretion, and social information use in red crossbills, a highly social songbird species adapted to cope with high degrees of resource unpredictability.
Keywords:
Crossbill; Food stress; Foraging; Learning; Public information; Songbird

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