William S Clark
Bill Clark is one of the world's leading authorities on raptor identification and taxonomy. He is the author of over 100 papers and books on raptor taxonomy and distribution, including A Field Guide to the Raptors of Europe, the Middle East, and North Africa (1999) and forthcoming volumes on the raptors of Mexico and Central America and the birds of prey of Africa.
With Brian Wheeler, he co-authored A Field Guide to Hawks of North America (1987, 2001) and A Photographic Guide to North American Raptors (1999). He is widely traveled, leading popular raptor tours around the world (as "Raptours"), and he is a widely sought lecturer on diurnal birds of prey.
Research Interests
Raptor migration
Raptor field identification
Molt of remiges
Raptor hybrids
Raptor taxonomy
Species of Interest:
White-tailed Hawk
Harris's Hawk
Parabuteo unicinctus
Geranoaetus albicaudatus
Source: GlobalRaptors.org
