Many Mammals Evolved to Have an Even Number of Functional Digits.

While humans are pentadactyl (five digits), many successful mammalian groups, like even-toed ungulates, have reduced or adapted their digits to an even count for efficient locomotion and weight distribution.

Source

https://en.wikipedia.org/wiki/Pentadactyly

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Published: March 29, 2026
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Even Biology Evolution Zoology Digits Mammals Anatomy Locomotion Ungulates Pentadactyly

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