The pronghorn antelope lives on North American grasslands. They graze and outrun predators. Only the cheetah is faster than pronghorns in North America and the world.
Bison are Western symbols. The continent's largest mammals. They eat grassland grasses and shrubs. Bison horns contain keratin, which strengthens hair and nails.
North America also has Bighorn Sheep. Rocky Mountain sheep. Large horns help them fend off predators. During mating season, bighorn rams bang their horns together.
Elk are the tallest deer, reaching 6 feet at the shoulder. They're larger than North American deer. Elk mate in early summer and have a two-month gestation period.
Chipmunks are common in North America. Chimpanzees are colonial rodents. Grey or brown with pointy ears. Chipmunks eat a range of foods. Mostly nuts, seeds, & fruits.
Groundhogs are common in North America. They dwell underground. The North American groundhog is shy. They're not normally hostile, though.
Coyotes are wolf-related canids. They live in North, Central, and South America. They're bashful and avoid people. When threatened or protecting their area, they're dangerous.
North American grouse species abound. They're called prairie chickens on the Great Plains. They're like chickens. Hunting and habitat loss harm grouse.
North American mountain lions are large cats. Also called cougars and pumas. Mountain lions inhabit the Rocky Mountains, Southwest, and Mexico.