Crimson Topaz

The crimson topaz (Topaza pella) is a species of hummingbird in the family Trochilidae. It is found in Brazil, French Guiana, Guyana, Suriname, and Venezuela. == Taxonomy and systematics == The crimson topaz was formally described by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his Systema Naturae under the binomial name Trochilus pella. Linnaeus based his description on the "Long-tail'd red huming-bird" that had been described and illustrated by the English naturalist George Edwards in 1743 from a specimen owned by Charles Lennox, the Duke of Richmond. The specimen had been collected in Suriname. The specific epithet is from the Latin pellus meaning "dark-colored". The crimson topaz is now placed in the genus Topaza that was introduced by George Robert Gray in 1840 with the crimson topaz as the type species. Three subspecies are recognised: T. p. pella Linnaeus (1758) T. p. smaragdulus Bosc (1792) T. p. microrhyncha Butler, AL (1926) The crimson topaz has been treated as conspecific with the fiery topaz (T. pyra) but currently (2021) the two are considered to form a superspecies. == Description == The male crimson topaz is 21 to 23 cm (8.3 to 9.1 in) long including the…