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Topic
- Herons 30
- Hunting 8
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- Black-crowned night heron 5
- Cormorants 4
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- Ibises 3
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Work Type
- manuscripts (documents) 30
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- Malheur National Wildlife Refuge >> Harney County >> Oregon >> United States 10
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- Clear Lake National Wildlife Refuge >> Modoc County >> California >> United States 2
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- Lower Klamath National Wildlife Refuge >> Siskiyou County >> California >> United States 2
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Institution
- Oregon State University 30