Dark-winged Trumpeter

The dark-winged trumpeter or green-winged trumpeter (Psophia viridis) is a species of bird in the family Psophiidae. It is endemic to Brazil. == Taxonomy and systematics == The dark-winged trumpeter's taxonomy is far from settled. The International Ornithological Committee (IOC) assigns it three subspecies, the nominate P. v. viridis, P. v. dextralis, and P. v. obscura. The Clements taxonomy splits a fourth from dextralis, P. v. interjecta. BirdLife International's Handbook of the Birds of the World (HBW) treats each of the three IOC-recognized subspecies as separate species, the "green-winged", "olive-winged", and "black-winged" trumpeters respectively. HBW includes interjecta as a subspecies of the "olive-winged". Considerable evidence supports the treatment as three species. This article follows the IOC three-subspecies model. == Description == The dark-winged trumpeter is a chicken-like bird with a long neck and legs and a hump-backed profile. It is 45 to 52 centimetres (18 to 20 in) long. The sexes are alike. Their bill color ranges from dusky brown to bright green and their legs and feet are dusky brown to greenish olive. Adults of the nominate subspecies are mostly velvety blackish with a dark smoky olive-green mantle and wing patch. They have an iridescent purple patch on the…