Couch's Kingbird
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[Photo] Couch's Kingbird from Mexican Boundary Survey, (Empidonax in background). Couch's Kingbird, Tyrannus couchii (also shown is Empidonax obscurus now perhaps equivalent to Dusky Flycatcher, Empidonax oberholseri), hand-colored lithograph. Source: Report on the United States and Mexican boundary survey, made under the direction of the secretary of the Interior by William H. Emory. (Volume on Birds, edited by Spencer Fullerton Baird.). Date 1857-1859. Author United States Department of the Interior

The Couch's Kingbird, Tyrannus couchii, is a passerine tyrant flycatcher of the kingbird genus. It is found from southern Texas along the Gulf Coast to the Yucatan Peninsula in Mexico, Belize and northern Guatemala. It is also found in the lower stretches of the Rio Grande river valley, locally named Rio Grande Valley.

The name of this bird commemorates the soldier and naturalist Darius N. Couch.

Physical appearance
It is about 7 inches. It has a large head and bill. It has a dark, forked tail. The head is pale grey with contrasting darker cheeks. The uppperparts are greyish-olive. It has a pale throat and a darker breast. The lower breast is bright yellow. Juveniles have browner underparts than the adult and pale edges to their wings.

http://en.wikipedia.org/wiki/Couch%27s_Kingbird

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