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On certain secondary sexual characteristics in the male Ruddy Duck, Erismatura jamaicensis (Gmelin)

Wetmore, A. 1917.
On certain secondary sexual characters in the male Ruddy Duck, Erismatura jamaicensis (Gmelin).
Proceedings of the United States National Museum, 52: 479–482.

Keywords
Oxyura jamaicensis

wetmore-1917.pdf (499.19 KB)

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