Ovenbirds spy on chipmunks to protect nests
Spying isn't limited to the human world: some ground nesting birds have learned that eavesdropping on their enemies may be the key to their survival.
Source: http://www.cosmosmagazine.com/news/4453/ovenbirds-spy-chipmunks-protect-nests
Gwen Stefani Halle Berry Hayden Panettiere Haylie Duff Heidi Klum Heidi Montag Hilarie Burton