You won’t want to miss these incredibly cute chickadee pictures. If folks around you are speaking with a southern drawl, chances are you’re in Carolina chickadee territory, in the Southeast ...

Although the mountain chickadee is the black-capped’s closest relative, the Carolina chickadee likely will cause the most trouble, especially in late spring and summer when the black-capped’s ...

Evolution 68: 3066-3081. PDF Taylor SA, White TA, Hochachka WM, Ferretti V, Curry RL, Lovette IJ. 2014. Climate Mediated Movement of an Avian Hybrid Zone. Current Biology 24: 671-676. PDF Associated ...