Quick answer
The white-tailed deer is a medium-sized deer named for the white underside of its tail, which it flashes as an alarm signal. Found from Canada to South America, bucks grow and shed antlers each year, and the species can run up to 48 km/h (30 mph) and leap tall fences. Wild white-tailed deer typically live 6 to 10 years.
Key takeaway
The white-tailed deer is a medium-sized deer named for the white underside of its tail, which it flashes as an alarm signal. Found from Canada to South America, bucks grow and shed antlers each year, and the species can run up to 48 km/h (30 mph) and leap tall fences. Wild white-tailed deer typically live 6 to 10 years.
Overview
The white-tailed deer is a medium-sized deer named for the white underside of its tail, which it flashes as an alarm signal. Found from Canada to South America, bucks grow and shed antlers each year, and the species can run up to 48 km/h (30 mph) and leap tall fences. Wild white-tailed deer typically live 6 to 10 years.
Biology
White-tailed Deer (Odocoileus virginianus) is classified as Mammal with conservation status Least Concern. Typical weight 45–135 kg (100–300 lb); lifespan around 6–10 years in the wild.
Ecology
Diet: Herbivore. Habitat: Woodland, edges, and farmland. Movement and social systems reflect those pressures.
People and this species
Learn before you travel or keep related pets. Wild individuals are not toys; captive care needs species-specific husbandry.
Further reading
See the full White-tailed Deer profile for FAQs, taxonomy, and related guides on this site.
The warning flag
The deer's name comes from its tail, which is brown above and bright white underneath. When alarmed it raises the tail like a flag, flashing the white to warn other deer and signal that it has been spotted before bounding away.
Antlers and the rut
Each year bucks grow a fresh set of bony antlers, covered in soft 'velvet' as they develop, then shed them in winter. During the autumn breeding season, the rut, bucks spar with their antlers to compete for mates. A buck's antler size depends on age, genetics, and nutrition.
Diet and habitat
White-tailed deer are browsers that feed on leaves, twigs, grasses, fruit, and crops, adapting easily to forest edges, farmland, and suburbs. This adaptability, along with the loss of large predators, has made them one of the most abundant large mammals in North America.
Population and management
Listed as Least Concern, white-tailed deer are thriving and in many areas overabundant, which can lead to crop damage, vehicle collisions, and pressure on forests. Regulated hunting and habitat management are widely used to keep populations in balance.
Research notes
Figures for white-tailed deers (Odocoileus virginianus) come from field studies, museum records, and conservation assessments that do not always agree on exact averages. Prefer ranges over single-point claims, and check whether a source describes wild, captive, or mixed populations.
Practical takeaways
If you encounter white-tailed deers in the wild, prioritise distance and local guidance. If you care for related domestic or captive animals, match diet and housing to species needs rather than generic pet advice. Share accurate status information (Least Concern) when discussing conservation.
Sources
FAQs
White-tailed Deer: Key Facts & Natural History?
The white-tailed deer is a medium-sized deer named for the white underside of its tail, which it flashes as an alarm signal. Found from Canada to South America, bucks grow and shed antlers each year, and the species can run up to 48 km/h (30 mph) and leap tall fences. Wild white-tailed deer typically live 6 to 10 years.
What is the scientific name of the white-tailed deer?
Odocoileus virginianus
What do white-tailed deers eat?
Herbivore
Where do white-tailed deers live?
Woodland, edges, and farmland
Are white-tailed deers endangered?
Listed here as Least Concern. Check IUCN and national lists for the latest assessment.