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ECOTYPIC VARIATION IN THE NON‐BREEDING SEASON IN MIGRATORY POPULATIONS: A STUDY OF TARSAL LENGTH IN SOME FRINGILLIDAE
Author(s) -
Fretwell Stephen
Publication year - 1969
Publication title -
evolution
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.84
H-Index - 199
eISSN - 1558-5646
pISSN - 0014-3820
DOI - 10.1111/j.1558-5646.1969.tb03524.x
Subject(s) - biology , variation (astronomy) , demography , sociology , astrophysics , physics