het·er·o·dac·tyl 
(hĕt′ə-rō-dăktəl) also het·er·o·dac·ty·lous (-tə-ləs)
(hĕt′ə-rō-dăktəl) also het·er·o·dac·ty·lous (-tə-ləs)adj.
Having a zygodactyl foot in which the third and fourth toes project forward and the first and second toes project backward, as in the trogons.
het′er·o·dacty·ly (-tə-lē) n.