Breeding Bird Censuses and Winter Bird-population Studies: an Update

Authors

Gregory S. Butcher

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Recommended Citation

Butcher, Gregory S. (1986) "Breeding Bird Censuses and Winter Bird-population Studies: an Update," American Birds: Vol. 40 : Iss. 1 , Article 19.
Available at: https://digitalcommons.usf.edu/american_birds/vol40/iss1/19