Hoofed
Mammals whose toes terminate in durable keratin hooves designed for running across rough terrain.
African Buffalo
A heavyweight, cow-like grazer whose bulls sometimes chase lions into trees.
Alpine Chamois
Mountain relative of goats and antelopes, with hooves that grip slippery rock and hook-tipped horns on females as well as males.
Collared Peccary
A 15 to 28 kg hoofed mammal that is not a pig, with self-sharpening canine teeth and a scent gland above its tail.
Donkey
A working equid whose hee-haw can travel up to 3 km, domesticated in Africa around 5000 BCE.
Elk
A bull's bugle is two sounds at once, and his antlers regrow every year at up to two-thirds of an inch a day.
Goat
A domesticated ruminant with rectangular pupils and a digestive system that works nonstop.
Impala
An antelope whose leaps often carry it over bushes and even other impala, with scent glands under black hair on its hind feet.
Malayan Tapir
Born striped, grown two-tone, and armed with a prehensile snout for plucking leaves.
Muskox
Bulls settle rivalries by charging 50 yards or more and colliding head-first on their horn bosses.
Nubian Ibex
Relatively small desert ibex of the Middle East and northeast Africa, a true cliff dweller whose males carry ridged, backward-arching horns up to 122 centimeters long.
Pronghorn
A 40 to 59 kg grassland runner that can average 65 km/h over 11 km, backed by an extraordinary capacity to consume and process oxygen.
Przewalski's Horse
The wild horse with 66 chromosomes, gone from the wild and then put back.
Red Deer
The UK's largest land mammal: a stag of up to 190 kg that regrows its antlers each year and roars through the autumn rut.
Springbok
A gazelle-like antelope that bounces on stiff legs and flares a hidden crest of white hair.
Water Buffalo
A farm giant that can reach 1,000 kg and wallows in mud to cool off.
White-Tailed Deer
A fawn holds in its waste until its mother returns, and she swallows whatever it passes so predators find no sign of it.
Wild Boar
A long-snouted omnivore whose upper canines are usually visible even when its mouth is closed.