About Psarocolius decumanus (Pallas, 1769)
Scientific name: Psarocolius decumanus (Pallas, 1769)
Description: Adult males of this species are primarily black, with a chestnut-colored rump and a bright yellow tail that has only two dark central feathers. They have a long, narrow crest that is often hard to see. Their irises are blue, and their long bills are whitish in color. Females share a similar overall appearance to males, but are smaller, duller in coloration, and lack a crest entirely.