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Food Caching Decisions In Canada Jays (Perisoreus Canadensis), Robert J. Martin
Food Caching Decisions In Canada Jays (Perisoreus Canadensis), Robert J. Martin
Electronic Thesis and Dissertation Repository
Food scarce periods pose serious challenges for birds, particularly when those periods coincide with demanding life history stages such as overwintering. For resident birds in the Northern hemisphere, resource scarcity typically occurs simultaneously with winter conditions. In order to combat these compounded stressors, some species cache food to ensure a reliable supply of resources. Food caching is the storing of food items for subsequent retrieval and consumption after some delay. Canada Jays (Perisoreus canadensis) are year-round residents of the North American boreal forest and some high elevation areas in the United States, and cache food to combat resource …