Russet-crowned Warbler Myiothlypis coronata

Fairly common in Andean subtropical zone from Venezuela to Bolivia. A chunky warbler, olive above with a gray head, bold black head stripes, and a rufous central crown stripe. Underparts vary from bright yellow to pale grayish. Sexes alike. Found from 1,500–3,000 m, usually foraging in pairs in the forest understory. Often accompanies a mixed-species flock. Listen for song, a series of rising musical notes often given as a duet.