Heteropoda

(syn. Calidris Ϯ Semipalmated Sandpiper C. pusilla) Gr. ἑτερος heteros  different; πους pous, ποδος podos  foot (cf. ἑτεροπους heteropous, ἑτεροποδος heteropodos  with uneven feet); "Subgenus. - *HETEROPODA.  WITH the bill straight, rather enlarged and punctate at the extremity: the tarsus of moderate length, and the 3 anterior toes all connected at base by a membrane, the outer to the middle toe as far as the first articulation.  ...  SEMIPALMATED SDANDPIPER. (Tringa semipalmata, WILSON, vii. p. 131. pl. 63. fig. 4. [young]" (Nuttall 1834).  Var. Heteropada.

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 11 December 2018).