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Topic
- Birds--Nests 10
- Black-crowned night heron 10
- Herons 10
- Schoenoplectus pungens 5
- Birds--Eggs 2
Format
- image/tiff 10
Institution
- Oregon Historical Society 10
Taxon Class
- Aves 10
Order
- Pelecaniformes 10
Genus
- Nycticorax 10