Migratory bird information kit
International partnerships / Eric Fischer -- Partners in flight -- local habitat protection / Jan Green -- Federal and state policy initiatives / Peter A. A. Berle -- Resident bird counts habitat classsification instructions
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| Main Author: | |
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| Format: | Texto biblioteca |
| Language: | eng |
| Published: |
Santa Monica, California National Audubon Society
1990
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| Subjects: | Migración de aves, |
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