# Mule Deer (*Odocoileus hemionus*) Mule deer are graceful animals with big ears that help them hear well. They have brown fur and white tails that they raise when they sense danger. - **Category:** [Mammals](https://www.snappit.app/explore/categories/mammal) - **Rarity:** Common - **Danger:** 2/5 · Low - **Snaps:** 272 - **Habitat:** Forests, Grasslands, Mountain regions - **Also known as:** Black-tailed Deer, Western Mule Deer ![Mule Deer](https://res.cloudinary.com/drieglelr/image/upload/v1771426705/objects/6251.jpg) ## Appearance The Mule Deer has very large, mule-like ears and a coat that ranges from reddish-brown in summer to grey-brown in winter. Its rump is white with a distinctive black-tipped tail, which helps distinguish it from white-tailed deer. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Chordata - **Class:** Mammalia - **Order:** Artiodactyla - **Family:** Cervidae - **Genus:** Odocoileus ## Interesting facts - A mule deer's black-tipped tail helps them signal danger to other deer. - Male mule deer grow new antlers yearly, covered in soft "velvet" before they harden. - Mule deer have excellent eyesight and a superb sense of smell to detect distant threats. - They often rest in "beds" they scrape out of the ground, hidden from view. ## Special abilities - **Super Leaper:** Mule Deer can leap incredibly high fences and obstacles because their powerful leg muscles allow for amazing vertical jumps. - **Sound Scanner:** Mule Deer has giant, swiveling ears that help them pinpoint sounds from all directions, even faint predator noises. - **Escape Bouncer:** Mule Deer can perform a unique "stotting" jump, bouncing on all four feet, which helps them escape predators quickly. ## Measurements & details - **Length:** 100-210 cm - **Weight:** 50-150 kg - **Lifespan:** 10-15 years - **Speed:** 70 km/h - **Litter Size:** 1-2 - **Gestation:** 190-200 days ## Diet & Feeding They are plant-eaters, munching on leaves, twigs, and grasses found in their varied habitats. - **Age differences:** Fawns drink milk, then transition to browsing similar foods as adults. - **Primary Foods:** Shrubs, Forbs, Grasses, Acorns, Berries - **Foraging Method:** Foraging ## Ecological connections - **Eaten by:** [Cougar](https://www.snappit.app/explore/cougar) (*Puma concolor*) — A primary predator of mule deer adults and fawns. - **Eaten by:** [Gray Wolf](https://www.snappit.app/explore/gray-wolf) (*Canis lupus*) — Wolves hunt deer, especially during winter months. - **Eats:** [Big Sagebrush](https://www.snappit.app/explore/big-sagebrush) (*Artemisia tridentata*) — A common and important food source for mule deer. - **Eats:** [Gambel Oak](https://www.snappit.app/explore/gambel-oak) (*Quercus gambelii*) — Mule deer eat its leaves and nutritious acorns. ## Traits - [Social](https://www.snappit.app/explore/traits/social): Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring. - [Antlered](https://www.snappit.app/explore/traits/antlered): Antlered describes animals possessing antlers, which are bony, branching growths found predominantly on male deer and related species. - [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals. - [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material. - [Forest](https://www.snappit.app/explore/traits/forest): Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life. - [Longevous](https://www.snappit.app/explore/traits/longevous): This trait characterizes organisms with an exceptionally long lifespan compared to others of their kind. - [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night. - [Regenerative](https://www.snappit.app/explore/traits/regenerative): Regenerative organisms possess the ability to regrow lost or damaged body parts, tissues, or organs. ## Collections - [Mammals](https://www.snappit.app/explore/collections/mammals) ## Safety **Danger:** 2/5 · Low Admire mule deer from a distance and never try to touch or feed them. ## Frequently Asked Questions ### How to identify Mule Deer? Compare ears, muzzle, tail, feet and coat markings. Size is hard to judge without something nearby for scale, and young mammals may not have adult coloring yet. Mammal Identifier: upload a photo and compare the visible details. ### How long is Mule Deer? 100-210 cm ### How much does Mule Deer weigh? 50-150 kg ### How long does Mule Deer live? 10-15 years ### How fast can Mule Deer move? 70 km/h ### What does Mule Deer eat? They are plant-eaters, munching on leaves, twigs, and grasses found in their varied habitats. ### Where is Mule Deer usually found? Forests, Grasslands, Mountain regions ### How does Mule Deer hunt? Foraging ## Where to spot - [Alder Creek Grove](https://www.snappit.app/guides/places/alder-creek-grove) — California, US · Forest - [Arastradero Preserve](https://www.snappit.app/guides/places/arastradero-preserve) — California, US · Nature Reserve - [Atchison Village](https://www.snappit.app/guides/places/atchison-village) — California, US · Neighborhood - [Barrio De Analco Historic District](https://www.snappit.app/guides/places/barrio-de-analco-historic-district) — New Mexico, US · Historic District - [Benbow Lake State Recreation Area](https://www.snappit.app/guides/places/benbow-lake-state-recreation-area) — California, US · State Park - [Blake Garden](https://www.snappit.app/guides/places/blake-garden) — California, US · Botanical Garden [View all places to see Mule Deer](https://www.snappit.app/guides/where-to-see/mule-deer) ## More Mammals - [Eastern Fox Squirrel](https://www.snappit.app/explore/eastern-fox-squirrel) (*Sciurus niger*) - [Eastern Cottontail](https://www.snappit.app/explore/eastern-cottontail) (*Sylvilagus floridanus*) - [Eastern Chipmunk](https://www.snappit.app/explore/eastern-chipmunk) (*Tamias striatus*) - [California Ground Squirrel](https://www.snappit.app/explore/california-ground-squirrel) (*Otospermophilus beecheyi*) --- Source: [Mule Deer: Characteristics, Facts & Places to See — Snappit](https://www.snappit.app/explore/mule-deer)