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Predation Risk And Feeding Site Preferences In Winter Foraging Birds, Yen-Min Kuo
A foraging animal's choice of feeding location may represent a trade-off between maximizing its energy or nutrient intake and avoiding predation. In the present study, two hypotheses were investigated to test the influence of predation risk on feeding site preferences of birds: 1) there are differences among the preferences of feeding heights of birds, 2) the magnitude of preference increases with increasing predation risk found in different habitats. In my study site, three feeding stations (located in the woods, the woods/field edge, and an open field) each containing three feeders (0 m, 1.5 m, and 3 m ...