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Differences in song and sexual dimorphism between Cuban and North American red-winged blackbirds Agelaius phoeniceus

Whittingham, L.A.; Kirkconnell, A.; Ratcliffe, L.M.

Auk 109.4: 928-933

1993


ISSN/ISBN: 0004-8038
Accession: 037334483

In this paper we show that Cuban Red-winged Blackbirds exhibit relatively less sexual dimorphism in song, plumage and body size than North American Red-winged Blackbirds. We propose a hypothesis to account for these differences and suggest a possible test.

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