Counting Birds: the Problem of Variable Hearing Abilities

Authors

John T. Emlen
Michael J. Dejong

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Recommended Citation

Emlen, John T. and Dejong, Michael J. (1992) "Counting Birds: the Problem of Variable Hearing Abilities," Journal of Field Ornithology: Vol. 63 : Iss. 1 , Article 5.
Available at: https://digitalcommons.usf.edu/jfo/vol63/iss1/5