GREGORY K. SCOTT / SCIENCE PHOTO LIBRARY GREGORY K. SCOTT / SCIENCE PHOTO LIBRARY
Black-throated Green Warbler (Dendroica virens) sitting on its eggs. It has built its nest in a bark curl of a Paper Birch Tree (Betula papyrifera) in the Chequamgon National Forest, Taylor County, Wisconsin.
Model release not required. Property release not required.