The crimson-rumped toucanet (Aulacorhynchus haematopygus) is a near-passerine bird in the toucan family Ramphastidae. It is found in Colombia, Ecuador, and Venezuela. == Taxonomy and systematics == The crimson-rumped toucanet was originally described in the genus Pteroglossus. Two subspecies are recognized, the nominate A. h. haematopygus (Gould, 1835) and A. h. sexnotatus Gould, 1868. == Description == The crimson-rumped toucanet is 40 to 45 cm (16 to 18 in) long. The nominate subspecies weighs 200 to 232 g (7.1 to 8.2 oz) and A. h. sexnotatus 141 to 200 g (5.0 to 7.1 oz). Their bill is brownish red and black with a vertical white line at the base; the nominate has a larger proportion of black than A. h. sexnotatus. Males and females have the same plumage but females have a shorter bill than males. Adults of both subspecies are mostly green with a gold gloss to the nape and upper back, a red rump, chestnut tips on the central two or three pairs of tail feathers, and bare orange-brown skin around the dark eye. The nominate has blue above and below the eye and on the sides of the breast. A. h. sexnotatus has less blue in those…
