What is an animal with one foot, two feet, three feet …?
An appendage, such as a foot or a leg, is used for locomotion – walking, moving, or running.
Ped or pod means foot (leg) or feet (legs).
A mollusk, such as a snail or a slug, is an example of an animal with one foot. It is a gastropod – it is a body of one piece. Gastropod means stomach foot.
An animal that walks with two feet is a biped. A bird is a biped.
The Tanzanian Red Legged Millipede (Ephibolus pulchripes) is a large Diplopoda – arthropod with two pairs of jointed legs – from Tanzania and southern Kenya. Millipede means a thousand legs, but it does not have a thousand legs. It is a myriapod – a many-legged animal.
The Tanzanian Red Legged Millipede has a long black body, with hard plates, and bright red legs (up to 750). The male has a shiny body and the female has a dull body. Its head is red and round with a pair of large jaws. On its head are two antennae.