A mature bald eagle calls out to its mate Monday, April 12, 2010, near the the confluence of the Tanana and Chena Rivers outside of Fairbanks, Alaska. Via Boston Big Picture. View high resolution

A mature bald eagle calls out to its mate Monday, April 12, 2010, near the the confluence of the Tanana and Chena Rivers outside of Fairbanks, Alaska. Via Boston Big Picture.