birds also have three toes, including emus, bustards, and quail.

Didactyly

Didactyly (from Ancient Greek ??- (di-), meaning "two") or bidactyly is the condition of having two digits on each limb, as in the Hypertragulidae and two-toed sloth, Choloepus didactylus. In humans this name is used for an abnormality in which

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