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Mule Deer

What is mule deer?

· Emily Grant

Key facts

Scientific name Odocoileus hemionus[1]
Range western North America[2]
Name origin large ears resemble a mule[3]
Identifying feature black-tipped tail[5]
Relative to white-tailed deer larger and more heavily built[4]

Mule deer are a species of deer, *Odocoileus hemionus*, native to western North America, named for their large ears that resemble a mule's ears. They are larger and more heavily built than white-tailed deer, with a black-tipped tail, and are a common game animal in the western United States.

Context

Mule deer are a species of deer native to western North America, named for their large ears that resemble a mule's ears [1]. They are larger and more heavily built than the white-tailed deer, with a black-tipped tail [4]. Mule deer are a common sight in the western United States and are considered an important game animal in states like New Mexico [6]. They are also one of the large herbivores that survived the extinctions about 7,000 to 12,000 years ago [4]. State and federal wildlife agencies publish species profiles and natural history information for identification and management [3].

Documented claims

  • Mule deer are a common deer species in the western United States. [3]
  • Mule deer are considered an important game animal in New Mexico and the West. [6]
  • Mule deer are one of the large herbivores that survived the extinctions about 7,000 to 12,000 years ago. [4]

Related

Muntjac DeerMuntjac deer are another species of deer that readers may want to compare with mule deer.Roe DeerRoe deer are a different deer species, useful for readers interested in deer diversity.Mouse DeerMouse deer are a distinct type of deer, offering a contrast in size and habitat.

Questions and answers

What's the difference between a mule deer and a regular deer?

Mule deer are larger and more heavily built than white-tailed deer, and they have large ears and a black-tipped tail [4].

Are there mule deer in Canada?

Mule deer are native to western North America, which includes parts of Canada [2].

What is another name for a mule deer?

Mule deer are scientifically known as *Odocoileus hemionus* [1].

Are mule deer aggressive?

Mule deer are generally not aggressive, but they are a common game animal in the western United States [6].

Sources

  1. Mule Deer (U.S. National Park Service) — nps.gov (retrieved August 3, 2026)
  2. Resource Cards — workbasedlearning.pnnl.gov (retrieved August 3, 2026)
  3. Mule deer | Behavior, Habitat & Diet | Britannica — britannica.com (retrieved August 3, 2026)
  4. Mule Deer (Odocoileus hemionus) — govinfo.gov (retrieved August 3, 2026)
  5. Mule Deer — clarkcountynv.gov (retrieved August 3, 2026)
  6. Mule Deer in New Mexico - BE BOLD. Shape the Future. — pubs.nmsu.edu (retrieved August 3, 2026)

Sources last checked August 3, 2026. · More in Nature