Heterodactyl

[hetərə'dæktɪl]

(adj.) (of bird feet) having the first and second toes directed backward the third and fourth forward .

手打:威尔--From WordNet

(a.) Heterodactylous.

(n.) One of the Heterodactylae.

校对:马特

adj. having the digits irregular or peculiar in size form or position.—Also Heterodac′tylous.

校对:佩德罗