CENTROPUS

(Cuculidae; Ϯ Senegal Coucal C. senegalensis) Gr. κεντρον kentron  spur, spike; πους pous, ποδος podos  foot. The coucals have long, spur-like inner hind-claws, and were formerly known as 'lark-heeled cuckoos.' The substantive 'Coucal' is derived from French Coucou  cuckoo, and Alouette  lark; "GENUS 13. CENTROPUS (κεντρον stimulus, calcar  πους pes) (Spornfuß Germ.) Rostrum capiti brevius, incurvum, valde compressum, grypanium.  Tomia integerrima.  Nares plumis recumbentibus tectae.  Lingua . . .  Cauda gradata, elongata.  Pedes scansorii, congrui. Digiti externi internis longiores, antici fissi, posticorum externus versatilis? Ungues incurvi, posticus internus reliquis aliquantum longior, retiusculus, subulatus.  Species: Cuculus Aegyptius, Tolu LinGmel." (Illiger 1811); "Centropus Illiger, Prodromus, 1811, p. 205. Type, by subsequent designation, Cuculus aegyptius Gmelin. (G. R. Gray, List Gen. Bds., 1840, p. 56.)" (Peters 1940, IV, 66). 
Var. Certropus, Certtopus, Centrophus
Synon. Anacentropus, Centrococcyx, Corydonyx, Grillia, Huhus, Megacentropus, Nesocentor, Nisus, Onixylus, Polophilus, Pyrrhocentor, Toulou.

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 www.hbw.com on 20 January 2019).