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Bird Details

Perching Perching

Olive-sided Flycatcher

Contopus cooperi

Olive-sided Flycatcher
copyright Brian Small
Length: 8 in. (19 cm)
A conspicuous summer resident and migrant, this flycatcher chooses the most conspicuous dead spar or exposed branch on which to perch. From here it surveys the air space around it and flies out to capture flying insects from the air. It nests in coniferous forests and places its lichen-covered cup- nest far out on the end of a horizontal branch. Adults can be very aggressive toward intruders that approach the nest. The Olive-sided Flycatcher winters primarily in South America. The four-digit banding code is OSFL.

Fir forest
Fir forest

Oak-pine woodland
Oak-pine woodland

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Male
Buzzing (sound type)
Bird Song
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Male
Buzzing (sound type)
Bird Song
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CR_OSFL_1_061904_S.jpg
Male
Buzzing (sound type)
Bird Song

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CR_OSFL_2_061904_S.jpg
Male
Buzzing (sound type)
Bird Song

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Share to Google Classroom

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.