Yellow-backed Oriole Icterus chrysater

Attractive black-and-yellow oriole. Mainly in pine-oak forest of highlands, but also in humid tropical lowlands of Yucatan Peninsula. Often in flowering trees with other species of orioles. Both sexes have a yellow head and body with a small black mask and throat patch, black wings and tail. Bill is straight and pointed. Richly whistled and slightly halting song carries well.