A Review of Recent Irruptions of the Black-backed Woodpecker and Three-toed Woodpecker in Eastern North America

Authors

Robert P. Yunick

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Recommended Citation

Yunick, Robert P. (1985) "A Review of Recent Irruptions of the Black-backed Woodpecker and Three-toed Woodpecker in Eastern North America," Journal of Field Ornithology: Vol. 56 : Iss. 2 , Article 6.
Available at: https://digitalcommons.usf.edu/jfo/vol56/iss2/6