This image is part of a collection concerning warblers and their diet of insects. The yellow-rumped warbler exhibits a special adaptation that allows this species to eat bayberries to avoid dependence on and competition for insects.
This image can be used in lectures dealing with behavioral and evolutionary biology. To introduce concepts of evolution and competition, this image can be used to illustrate the warblers' dependence on insects for their diet and survival. The discussion can proceed to mention the yellow-rumped warbler's special adaptation allowing this species to eat bayberries to avoid competition among other warbler species. This image can also be used in courses that take field trips in native habitats of the warblers.
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