Cowbirds and Warblers (IMAGE)
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
Licensed content