As authorized under the Fish and Wildlife Act of 1956, as amended, 16 U.S.C.

742A-754; Fish and Wildlife Coordination Act of 1958, 16 U.S.C.

661-667(e); Fish and Wildlife Conservation Act, 16 U.S.C.

2901-2911; and the Migratory Bird Treaty Act, 16 U.S.C.

709a, USFWS Region

credit: Wikimedia Commons

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3 Division of Migratory Birds seeks to improve understanding of Great Lakes Common Tern migration ecologyâ¿¿including routes, stopover locations, and wintering sites at a level of geographic specificity made possible by current technologyâ¿¿and understanding of local movements and accumulated levels of environmental contaminants, especially mercury, that might impact Common Tern reproductive success.