The crimson-rumped toucanet (Aulacorhynchus haematopygus ) is a species of bird in the family Ramphastidae. It is found in humid Andean forests in Ecuador, Colombia and Venezuela. Its plumage is overall green (often faintly tinged blue), except for a maroon-red rump and tail-tip. The bill is black and maroon with a white band at the base. It is about 35 cm (14 in) long and weighs from 141 to 232 grams (5–8.2 oz.).