Clark, William S.

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A field guide to hawks, North America

  • Clark, William S.
1987
Covers 39 species of North American hawks and other diurnal raptors. Includes detailed descriptions and range maps for each species.

A field guide to hawks of North America

  • Clark, William S.
2001
Covers thirty-nine species of North American hawks and other diurnal raptors. Includes detailed descriptions and range maps for each species.
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