(syn. Chaetura Ϯ Lesser Antillean Swift C. martinica) Gr. ακανθα akantha  thorn, spine  < ακη akē  point; ουρα oura  tail; "Mr Stephens, in the family of Hirundinidæ, described in his supplement to the continuation of Shaw's Zoology, has separated under the generic title of Chætura, a group of birds which I had named Acanthura in my cabinet.   ...  H. acuta of Stephens may stand as the type  ...  The strong tail-feathers with their spurious naked terminations may probably be useful in supporting the animal in the attitude of Woodpeckers, while building in the cavities of rocks" (Guilding 1828).

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 19 January 2019).