Age Ratios and Their Possible Use in Determining Autumn Routes of Passerine Migrants

Authors

C. John Ralph

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Recommended Citation

Ralph, C. John (1981) "Age Ratios and Their Possible Use in Determining Autumn Routes of Passerine Migrants," Wilson Bulletin: Vol. 93 : Iss. 2 , Article 3.
Available at: https://digitalcommons.usf.edu/wilson_bulletin/vol93/iss2/3