Further Decline in Nest-box Use by Vaux's Swifts in Northeastern Oregon

Authors

Evelyn L. Bull
Charles T. Collins

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Recommended Citation

Bull, Evelyn L. and Collins, Charles T. (2009) "Further Decline in Nest-box Use by Vaux's Swifts in Northeastern Oregon," Western Birds: Vol. 40 : Iss. 4 , Article 2.
Available at: https://digitalcommons.usf.edu/western_birds/vol40/iss4/2