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The Social Significance of Avian Winter Plumage Variability: A Comment
William M. Shields
Vol. 31, No. 4 (Dec., 1977), pp. 905-907
Published by: Society for the Study of Evolution
Stable URL: http://www.jstor.org/stable/2407455
Page Count: 3
You can always find the topics here!Topics: Plumage, Species, Sparrows, Signals, Flocks, Evolution, Birds, Biological altruism, Animal social behavior, Animals
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