Hoofed animals

Even-toed hoofed animals (phylum Chordata, class Mammalia, order Artiodactyla), odd-toed hoofed animals (phylum Chordata, class Mammalia, order Perissodactyla), and elephants (phylum Chordata, class Mammalia, order Proboscidea).

• What general words refer to hoofed animals?
  ungulate herbivore clean animal ruminant
• What species of two-toed hoofed animals are there?
  cattle cow goat sheep alpaca antelope bighorn sheep bison buffalo camel carabao caribou chamois deer stag buck doe dromedary eland elk gazelle gemsbok giraffe gnu hart hartebeest ibex kudu llama moose musk ox okapi oryx pronghorn reindeer roe roebuck sable antelope sambar springbok steenbok wildebeest yak
• What species of four-toed hoofed animals are there?
  pig hog warthog peccary javelina hippopotamus
• What species of odd-toed hoofed animals are there?
  horse donkey zebra tapir rhinoceros elephant pachyderm onager