The best-selling and authoritative reference book on waterfowl has been fully revised and updated by one of the world’s most respected waterfowl biologists. H

This 500-page comprehensive volume covers the natural history of each of more than 160 members of the ducks, geese, swans and screamers of the world. Beautifull

An indispensable field guide and reference for birders. The eastern Continental Divide from Florida to Ontario contains the world's largest network of freshwate