Once they are shed they are usually eaten by rodents because they are a rich source of calcium. Look for Elk on the Hans and Sawmill Trails at dusk and dawn. Mule Deer Mule deer feed on shubs and grasses. Although they have excellent eyesight, they rely primarily on sound to detect danger. They usually run uphill to evade predators.
Mule deer spend the summers in high mountain meadows.
During the winters, they migrate to favorite feeding grounds where south facing slopes offer more plentiful food. Pronghorn Pronghorn antelope feed on shrubs and grasses. They live on open meadows and are the fastest land animals in the western hemisphere. They can easily run 40-50 miles per hour. Pronghorn are active both day and night, and rely on vision to detect predators.