(syn. Terathopius Ϯ Bateleur T. ecaudatus) Gr. ἡλος hēlos  stud, wart; Mod. L. tarsus  shank, leg  < Gr. ταρσος tarsos  flat of the foot; "GENUS.  HELOTARSUS.  Mihi.  ...Tarsi short, partly covered with feathers, and partly with rough elevated scales; toes scaly, and towards claws scutulate; claws unequal, moderately curved.  ...HELOTARSUS TYPICUS.  Boot or Berghaan of the Colonists.  Falco ecaudatus, Shaw, vol. 7, p. 98. - Le Bateleur, Le Vaillant Ois. Afr. pl. 7 and 8" (A. Smith 1830).

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2018). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2018). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from www.hbw.com on 15 December 2018).