Robert W. Butler
Identifiers
- Open LibraryOL4932014A
Top Subjects
- Birds -- North America (1)
- Birds -- British Columbia (1)
- Birds of prey (1)
- Charadriiformes (1)
- Panama (1)
- Gulf of Panama (1)
- Birds, north america (1)
Books by Robert W. Butler
Total count: 3
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The birds of the Creston Valley and southeastern British ColumbiaEnvironment Canada, Canadian Wildlife Service1986-01-01
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The distribution of fish-eating, wading, and raptorial birds in the Gulf of Panama, October 1991Environment Canada, Canadian Wildlife Service1992-01-01
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Pacific FlywayWaterbird Migration from the Arctic to Tierra Del FuegoSasquatch Books2020-01-01