Colima Warbler Identification

A medium-sized warbler with a long bill and long tail. White eyering stands out against gray head. Upperparts brownish-gray, sides buffy brown. Undertail and uppertail coverts bright yellow.

Gray head and breast contrast with brownish upperparts and flanks. Bright yellow undertail and uppertail coverts cover base of long tail.

A grayish-brown warbler with bright yellow undertail coverts. Moves deliberately from branch to branch as it searches for insects and spiders.

Rusty orange crown patch is obvious when head feathers are raised, but inconspicuous at other times.

Light gray breast is bordered by buffy-brown flanks, giving way to whitish belly and yellow undertail coverts.

Breeds in pine-oak woodlands in the mountains of northeastern Mexico, with range just extending into the U.S. in Big Bend National Park.

Hops between leaf clusters to glean arthropods from leaves, twigs, and flowers.

Male often sings from exposed perches in the upper parts of bushes and short trees.