Clutch Sizes, Hatchability Rates, and Sex Ratios of Sparrow Hawks in Eastern Pennsylvania

Authors

Donald S. Heintzelman
Alexander C. Nagy

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Recommended Citation

Heintzelman, Donald S. and Nagy, Alexander C. (1968) "Clutch Sizes, Hatchability Rates, and Sex Ratios of Sparrow Hawks in Eastern Pennsylvania," Wilson Bulletin: Vol. 80 : Iss. 3 , Article 5.
Available at: https://digitalcommons.usf.edu/wilson_bulletin/vol80/iss3/5