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Topic
- Birds--Nests 20
- Schoenoplectus pungens 20
- Herons 13
- Black-crowned night heron 5
- Ibises 5
- Birds--Eggs 4
- Pelicans 2
- Cormorants 1
Repository
- Oregon Historical Society. Library 20
Format
- image/tiff 20
Taxon Class
- Aves 20
Order
- Pelecaniformes 20
- Suliformes 1
Genus
- Ardea 8
- Nycticorax 5
- Plegadis 5
- Pelecanus 2
- Phalacrocorax 1
Decade
- 1900-1909 20