Currently we are reading a book about mammals.
plan·ti·grade ˈplan(t)əˌɡrād/
adjective: plantigrade
- (of a mammal) walking on the soles of the feet, like a human or a bear.
dig·i·ti·grade ˈdijədəɡrād/
adjective: digitigrade
- (of a mammal) walking on its toes and not touching the ground with its heels, as a dog, cat, or rodent.
Unguligrades are mammals with hooves, both single hooved like horses and donkeys as well as double hooved like deer and cattle.
Plantigrades include a remarkable number of mammals. They walk on their whole foot. So bears, humans, hedgehogs, rabbits and kangeroos are included in this group.
Digitigrades walk on their toes. So animals such as dogs, cats and the like.