Ruby-topaz Hummingbird

The ruby-topaz hummingbird (Chrysolampis mosquitus), commonly referred to simply as the ruby topaz, is a species of hummingbird in the subfamily Polytminae, the mangoes. It is found in Aruba, Bolivia, Bonaire, Brazil, Colombia, Curaçao, French Guiana, Guyana, Panama, Suriname, Trinidad and Tobago, and Venezuela. == Taxonomy == The ruby-topaz hummingbird was formally described by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his Systema Naturae under the binomial name Trochilus mosquitus. The type locality is Suriname. The ruby-topaz hummingbird is now the only species placed in the genus Chrysolampis, which was introduced by the German zoologist Friedrich Boie in 1831. The name Chrysolampis is from the Ancient Greek khrusolampis meaning "glow-worm". The specific name mosquitus is a Spanish diminutive and means "little fly". The species is monotypic: no subspecies are recognised. == Description == The ruby-topaz hummingbird is 8 to 9.5 cm (3.1 to 3.7 in) long and weighs 2.5 to 5 g (0.09 to 0.18 oz). Its almost straight, black bill is relatively short compared to those of most other hummingbirds. The male has dark brown upperparts with an olive gloss. Its crown and nape are glossy ruby red, and the throat and breast are…