A digitigrade is an animal that stands or walks on its digits, or toes. Digitigrades include walking birds (what many assume to be bird knees are actually ankles), cats, dogs, and most other mammals, but not humans, bears, and a few others (cf. plantigrade, unguligrade). They are generally faster and quieter than other types of animals. While humans usually walk with the soles of their feet on the ground, for example plantigrade locomotion, digitigrade animals walk on their distal and intermedia… (More on Digitigrade)