Identification of White and Black-backed Wagtails in Alternate Plumage

Authors

Steve N. Howell

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Recommended Citation

Howell, Steve N. (1990) "Identification of White and Black-backed Wagtails in Alternate Plumage," Western Birds: Vol. 21 : Iss. 2 , Article 1.
Available at: https://digitalcommons.usf.edu/western_birds/vol21/iss2/1