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Bird Details

Perching Perching

Red-winged Blackbird

Agelaius phoeniceus

Red-winged Blackbird
copyright Herbert Clarke
Length: 9 in. (22 cm)
Primarily a marsh-inhabiting bird, this blackbird feeds on emerging aquatic insects during the summer. In the winter, large flocks move from often swampy night roosts to spend time foraging in agricultural fields, cow lots and other open areas for seeds. Each breeding male can have up to 14 females and nests on his territory depending on the abundance of food. The nest is woven from grass and sedge and placed in vegetation just above the water's surface. The bright red epaulet of the male is used to advertise dominance and attract females. The four-digit banding code is RWBL.
red_winged_blackbird.jpg

Male
copyright Herbert Clarke

Agricultural
Agricultural

Marsh / swamp
Marsh / swamp

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Male
Electronic (sound type)
Bird Song
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Male
Electronic (sound type)
Bird Song
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CR_RWBL_2_051301_S.jpg
Male
Electronic (sound type)
Bird Song

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CR_RWBL_1_051301_S.jpg
Male
Electronic (sound type)
Bird Song

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Be part of Ask A Biologist

by volunteering, or simply sending us feedback on the site. Scientists, teachers, writers, illustrators, and translators are all important to the program. If you are interested in helping with the website we have a Volunteer page to get the process started.