4_toes accipitrid accipitriform ambiguous_gender amphibian anatid anisodactyl anseriform anteater anus avian avian_feet bird canid canine canis claws common_hippopotamus crocodile crocodilian crocodylid domestic_cat duck eagle equid equine feet felid feline felis feral foot_focus gomalemo group haplorhine hippopotamid hooves horse lion lizard mammal monkey newt pantherine pilosan primate reptile salamander scalie suid suina talons tamandua tiger toes wolf x_anus xenarthran