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1 December 2004 FEMALE BROWN-HEADED COWBIRD WITH PARTIAL MALE PLUMAGE
SCOTT G. SUMMERS, RICHARD M. KOSTECKE
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Abstract

There are few records of functionally female birds exhibiting partial to total male plumages. On 26 March 2004, we collected a female Brown-headed Cowbird (Molothrus ater) at Fort Hood, Texas, with a presumably functional ovary and whose back and belly exhibited the glossy, greenish-black plumage typical of after-hatch-year males. This individual is a unique specimen because (with the exception of partial albinism) no aberrant plumages have been reported for Brown-headed Cowbirds.

SCOTT G. SUMMERS and RICHARD M. KOSTECKE "FEMALE BROWN-HEADED COWBIRD WITH PARTIAL MALE PLUMAGE," The Wilson Bulletin 116(4), 293-294, (1 December 2004). https://doi.org/10.1676/04-061
Received: 27 May 2004; Accepted: 1 October 2004; Published: 1 December 2004
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