Antlers: A full set can measure up to 5 feet across and weigh up to 40 lbs.
Lifespan: They live up to 10-15 years in the wild and upwards of 20 years in captivity.
Diet: Primarily grazers, relying on grasses and sedges in summer and shrubs, forbs, and tree bark in winter.
Total Population: Current wild populations number near 1 million across the western United States and Canada
Image: Rocky Mountain Elk - Bryce Canyon National Park (U.S. National Park Service)