Photo of the Day: Tree Swallow Scuffle

Tree swallows fighting over a perch. Photo by Bob Feldman. 2012 National Wildlife Photo Contest.
Tree swallows fighting over a perch. Photo by Bob Feldman. 2012 National Wildlife Photo Contest.

This Photo of the Day was donated by a participant in the annual National Wildlife Photo Contest. See more photos or sign up for the 43rd Annual National Wildlife Photo Contest.