Cowbirds and Warblers (IMAGE)

University of Illinois at Urbana-Champaign, News Bureau

Cowbirds and Warblers

Caption

Researchers observed the results when female cowbirds, left, laid their eggs in the nests of prothonotary warblers, right.

Credit

Photos by Chris Young (cowbird) and Michael Jeffords (warbler)

Usage Restrictions

Image may be used only to accompany stories about the research described in this release. Credit required: Photos by Chris Young (cowbird) and Michael Jeffords (warbler)

License

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