White-tailed Deer
Odocoileus virginianus · Mammal, Vertebrate, Warm-blooded, Wild
Animal Family
Cervidae, order Artiodactyla, class Mammalia
Animal Category
Wild Prey / Large Herbivore
Breed / Variety
Odocoileus virginianus (specific subspecies vary by region, e.g., O. v. virginianus)
Conservation Status
Least Concern (IUCN); population is generally stable or increasing in many North American regions.
About This Creature
Medium-sized deer with a reddish-brown coat in summer and grayish-brown in winter. Known for the characteristic white underside of the tail, which is flashed when alarmed.
Physical Characteristics
Slender legs with hooves, large ears for acute hearing, and side-set eyes. Males (bucks) typically grow deciduous antlers, while females (does) usually lack them.
Behavior & Temperament
Crepuscular activity; social structures include small family groups of does/fawns or buck bachelor groups; highly alert with a flight defense mechanism.
Habitat & Diet
Origin Region
Native to North America, Central America, and South America; introduced to parts of Europe and New Zealand.
Habitat
Forest, Grassland, Wetland, and Urban/Suburban areas; Terrestrial locomotion.
Diet & Nutrition
Herbivore/Browser; eats leaves, twigs, fruits, acorns, and agricultural crops; possesses a multi-chambered ruminant stomach.
Lifespan & Health
6–10 years in the wild, up to 20 in captivity. Subject to Chronic Wasting Disease (CWD) and predation by wolves, cougars, and coyotes.
Special Characteristics
High cultural significance in hunting; remarkable jumping ability (up to 8 feet high) and speed (up to 30-40 mph).
Ecological Information
Middle of the food chain; significant impact on forest understory vegetation through browsing; supports large predator populations.