Baudo Oropendola

The Baudo oropendola (Psarocolius cassini) is a Vulnerable species of bird in the family Icteridae, the oropendolas, New World orioles, and New World blackbirds. It is endemic to Colombia. == Taxonomy and systematics == The Baudo oropendola was formally described in 1898 with the binomial Gymnostinops cassini. The genus Gymnostinops was later merged into the current Psarocolius. Some authors have suggested that the Baudo oropendola, the black oropendola (P. guatimozinus), and the olive oropendola (P. bifasciatus) should be merged as a single species. The Baudo oropendola is monotypic. == Description == Male Baudo oropendolas are about 46 cm (18 in) long and females about 39.5 cm (16 in). The sexes are similar though females are smaller than males and have duller plumage. Adults have a mostly black head, breast, and belly. They have a patch of bare pinkish skin on their face and a pink wattle at the base of the bill. Their back, rump, wings, flanks, and crissum are chestnut. Their tail's central pair of feathers are black and the rest yellow; because the black ones are shorter than the others the tail often looks completely yellow from below. They have a large bill with a swollen casque; it…