zygodactyladjective
uk/ˌzaɪ.ɡəˈdæk.tɪl//ˌzaɪ.ɡəˈdæk.tɪl/specialized(of a bird's foot) having two toes pointing forwards and two toes pointing backwards:
the cuckoo's zygodactyl toes.
zygodactylnoun [ C ]
uk/ˌzaɪ.ɡəˈdæk.tɪl//ˌzaɪ.ɡəˈdæk.tɪl/specializeda bird's foot that has two toes pointing forwards and two toes pointing backwards, or the bird itself:
Woodpeckers have zygodactyls.