(syn. Dendrocygna Ϯ Plumed Whistling Duck D. eytoni) Gr. λεπτος leptos  delicate, slender; Mod. L. tarsus  shank, leg  < Gr. ταρσος tarsos  flat of the foot; "GENUS IV.  LEPTOTARSIS.  ...  Tarsi longi et graciles. Digiti unguibus paululum incurvatis acutisque armati.  ...  The structure of the bill appears to ally this genus to that of Dendrocygna; while, on the other hand, that of the tail, which, though not elongated, is acuminate, to the genus Dafila" (Eyton 1838).

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 10 December 2018).