Research Team (IMAGE)
Caption
Mark Hauber, right, a U. of I. professor of evolution, ecology and behavior; graduate student Shelby Lawson and their colleagues discovered that red-winged blackbirds eavesdrop on yellow warblers when the warblers warn of cowbirds near their nests.
Credit
Photo by L. Brian Stauffer
Usage Restrictions
Photo by L. Brian Stauffer
License
Licensed content