Horns
Keratin sheaths anchored over solid bone cores used for high-impact clashes, predator deterrence, and social dominance.
African Buffalo
A heavyweight, cow-like grazer whose bulls sometimes chase lions into trees.
Bighorn Sheep
Horns weighing up to thirty pounds, head-first charges at up to forty mph, and hooves shaped to snag any slight protrusion.
Blue Wildebeest
A bearded grassland grazer whose foreleg muscle is substantially more efficient than a cow's.
Gaur
The largest living wild cattle, whose herds, one warden wrote, are prepared to stand and fight a tiger rather than run.
Goat
A domesticated ruminant with rectangular pupils and a digestive system that works nonstop.
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.
Water Buffalo
A farm giant that can reach 1,000 kg and wallows in mud to cool off.