Contopus cooperi
(Olive-sided Flycatcher)


Order: Passeriformes
Order Description: Passerines
Family: Tyrannidae
Family Description: Tyrant Flycatchers

Physical Description:
Size: 7-8" (18-20cm). A large, stocky, short-tailed flycatcher. Adults a drab olive-brown on the back and flanksClick word for definition. Olive of flanks almost meets on its white chest, giving it the appearance of wearing a vest. Head large with a thick bill. Immatures are similar to adults, but are often darker above and below.

Similar Species- Western Wood-Pewee is smaller, paler and longer tailed. Also lacks the vested look.

Song:
The song of the Olive-sided Flycatcher is a very distinct, three-parted whistle with the second note higher than the first and descending to the third. Some say it sounds like: Quick-Three-Beers! Call is a repetitious pip-pip-pip.

Distribution:
Breeds from portions of Alaska and Canada, south (west of Rockies) to northern Baja California, Arizona, New Mexico, and western Texas, and (east of Rockies) through portions of Midwest, Northeast, and middle Atlantic states. Winters in mountains of South America, and in small numbers in Central America and southern Mexico.

Habitat:
Found in forests and woodlands (especially in burned-over areas with standing dead trees) such as taigaClick word for definition, subalpine coniferousClick word for definition forests, mixed forests, borealClick word for definition bogs, muskegClick word for definition, and borders of lakes and streams. Idaho study found species responded psitively in numbers to single-tree logging.

Diet:
Eats insects.

Ecology:
Hunts from perch. Builds cup-shaped nest in coniferous or deciduousClick word for definition tree. Usually territorial in non-breeding areas.

Reproduction:
Female incubatesClick word for definition 3-4 eggs for 16-17 days. Young usually leave nest in 15-19 days.

Conservation:
Element Code: ABPAE32010
Status: Protected nongame species
Global Rank: G?
State Rank: S?,NTMB

Important State References:
Medin, D.E. and G.D. Booth. 1989. Responses of birds and small mammals to single-tree selection logging in Idaho. USDA Forest Service Int. Res. Station Res. Paper INT-408, Boise. 11pp.


Design by Ean Harker©1999, 2000.
Written by Jason Karl, 2000.