Topaz (hummingbird)
The topazes are two species of hummingbirds in the genus ''Topaza''. They are found in humid forests in the Amazon Basin. Males are by far the largest hummingbirds in their range – the giant hummingbird of the Andes is the only larger species in the family. Males have a total length of about , although this includes their elongated rectrices. They are colourful, being mainly strongly iridescent golden and crimson with a black hood and a green throat. Females lack the elongated rectrices and have a mainly green plumage. Taxonomy The genus ''Topaz'' was introduced by the English zoologist George Robert Gray in 1840 with the crimson topaz as the type species. The genus contains two species, the crimson topaz and the fiery topaz. Although generally considered to be distinct species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in ...
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Crimson Topaz
The crimson topaz (''Topaza pella'') is a species of hummingbird Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae. With about 361 species and 113 genera, they occur from Alaska to Tierra de