Black-and-yellow phainoptila (female)

San Gerardo De Dota, Costa Rica April 2014.
The Black-and-yellow Phainoptila is a small bird with distinctive yellow flanks. Males have a black back, head and tail, yellow flanks and rump, olive breasts and grey bellies. Females have a black cap, olive breast, rump, wings and tail, yellow flanks, and grey throat, nape, and belly. Young are similar to adult female, but duller and with no grey on nape and dusky streaking on breast. Seen in clearings of a forested area.