(Odocoileus hemionus) “ Aerial, Evie, Kramer and Sochi”
Story: All the mule deer at HPZS are rescued orphans.
Geographic range: Western half of North America and Canada
Habitat: Mule deer prefer rugged areas that are arid, open, and rocky hillsides. They will however be found at various habitats from forest edges at higher elevations to the desert floor.
Diet: Herbivores, they are concentrate selectors that will eat herbaceous plants, but also some woody plants such as blackberry, huckleberry, and thimbleberry. In the winter they will consume twigs of Douglas fir, cedar, yew, aspen, willow, dogwood, serviceberry, juniper, and sage.
Weight: 125-200 lbs
Characteristics: Mule deer have large ears that may reach lengths of 10 inches. They move constantly and independently like burros (hence their name). Mule deer do not run rather they move with a bounding leap or stotting. All four feet come down together they can reach speeds of 45 mph for short periods of time. Mule deer have larger feet with allow them to claw out water that is about 2 feet deep.
- Mule Deer lack canine teeth because they are a prey animal and consume vegetation. Like a cow they posses a multi-part stomach, the first two chambers act as temporary storage bins that can be digested later. The deer will then bring up food back to it’s mouth later to be chewed once again, this is called chewing cud.
- Mule deer are unable to detect motionless objects, but have excellent sensitivity to moving objects. Mule deer can jump to 8 ft in height and 20 feet in length. They also have a keen sense of smell and hearing.
- Antlers grow mostly for display purposes. The larger the rack the better chances of acquiring a female. The size of the antler it’s self is dependent on the combination of their age, nutrition, and genetics. Antlers are composed of a material that is similar to bone. It grows under a layer of skin called velvet. This velvet supplies blood to the growing antlers which are soft. When fully grown the antler hardens, the velvet dries, and then it is rubbed off. After the breeding seasons passes the antlers are then shed.
- Social behavior: Mule deer have seasonal migrations depending on the location of the animal. In Arizona they may migrate in response to rainfall patterns. They are active in morning, evenings and during moonlight nights. This is mostly to conserve water and keep body temperatures at livable limits. They do have sweat glands and are able to pant to provide evaporative cooling during hot periods.
- Mule deer breed in late November and early December. After finding a suitable mate the two will remain together for several days.