[het-uh-roh-dak-tuh-luh s or het-uh-roh-dak-til]
having the first and fourth toes directed backward, and the second and third forward, as in trogons.
Origin of heterodactylous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(of the feet of certain birds) having the first and second toes directed backwards and the third and fourth forwards
a bird with heterodactyl feet
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012