This is a guide to altricial passerines. It has an explanation of variables used for aging birds and an explanation of methodology employed, and provides information obtained while recording the early aging of the Dusky Flycatcher, the Carolina...
Wildlife management; Fisheries management; Game management; Grants;
Federal Aid in Wildlife Restoration Act of 1937, now referred to as The Pittman-Robertson
Wildlife Restoration Act, as amended (16 U.S.C. 669-669k), provides federal assistance to the 50 States,
the Commonwealths of Puerto Rico and the Northern...
