White-backed Swallow

The white-backed swallow (Cheramoeca leucosterna) is a member of the swallow family Hirundinidae and is endemic to Australia. It is the only species placed in the genus Cheramoeca. As with all swallows, it is characterised by adaptation to aerial feeding. It can be identified by its white back, surrounded by black wings and tail. It has a wide distribution, from the southern part of the Australian continent, up to the Tropic of Capricorn. The white-backed swallow prefers grasslands and will create a burrow nest. == Taxonomy == The white-backed swallow was formally described in 1841 by the English ornithologist John Gould based on a specimen collected on the banks of the Namoi River in New South Wales, Australia. Gould coined the binomial name Hirundo leucosternus. The white-backed swallow is now the only species placed in the genus Cheramoeca that was introduced in 1851 by the German ornithologist Jean Cabanis. The genus name combines the Ancient Greek khēramos meaning "hole", "cleft" or "hollow" with oikeō meaning "to inhabit". The specific epithet is from the Ancient Greek leukosternos meaning "white-chested" (from leukos "white" and sternon meaning "breast"). Gould's spelling of the epithet is now considered to be incorrect. As a Latinised adjective…