Mountain Avocetbill

The mountain avocetbill (Opisthoprora euryptera) is a species of hummingbird in the "coquettes", tribe Lesbiini of subfamily Lesbiinae. It is found in Colombia, Ecuador, and Peru. == Taxonomy and systematics == The mountain avocetbill is the only member of its genus and has no subspecies. It is closely related to the hillstars (genus Oreotrochilus) and trainbearers (genus Lesbia). It was originally described in genus Trochilus which at that time included many species that have been reclassified. == Description == The mountain avocetbill is 10 to 11 cm (3.9 to 4.3 in) long; the few known weights are between 5.8 and 6.6 g (0.20 and 0.23 oz). It has a short bill that turns up slightly at the tip. Adults have bronzy green upperparts with a prominent white spot behind the eye. The tail is notched; the central pair of feathers are bronzy green and the outer ones dark blue with thin whitish tips. The throat and breast are white and the flanks and belly rufous; all have dark green streaks. == Distribution and habitat == The mountain avocetbill is patchily distributed in Colombia's Central Andes, on the east slope of the Andes in Ecuador, and at a few locations on…