Birds of Western Pennsylvania

by W.E. Clyde Todd

The Evolutionary Ecology of Animal Migration Animal migration has fascinated humans for millennia. And for good Some of the most astonishing feats of endurance are performed by long-distance migrants, such as the nine-day non-stop flight of the bar-tailed godwit across the Pacific Ocean.

709 pages, Hardcover

First published November 1, 1978

About the author

Walter Edmond Clyde Todd (Smithfield, Ohio, September 6, 1874 – June 25, 1969) was an American ornithologist who worked at the Carnegie Museum. [from wikipedia--q.v.]