Barasingha

Rucervus duvaucelii

Also known as: Western Swamp Deer, Western Barasingha, Swamp Deer

VUVulnerable

Barasingha is a large South Asian deer whose name refers to its many-tined antlers. It grazes and browses in herds around wet grassland, floodplain, and marsh-edge habitat. Animals documented nationally are managed or escaped, not part of a native breeding range. Occurrence records reveal where and when people have documented it, but they don't measure abundance or prove that an unreported area is empty.

US Range

IUCN Red List status

  1. LC
  2. NT
  3. VU
  4. EN
  5. CR
  6. EW
  7. EX

VU – Vulnerable

High risk of extinction in the wild.

Observation peakMarch285 records

Seasonality from research-grade observation dates across the US (285 records, all years). Reflects when the species is recorded, not a guarantee of presence.

Best encounter

Where and when to see a Barasingha

Your best chance: March.

When
March

Life history

The Barasingha (171.2 kg377.5 lb) is a herbivore that first breeds around 3 years, carries a 250-day gestation, and bears about 1 young per litter. Maximum recorded longevity is 24.5 years.

Life cycle

  1. Gestation250 days (≈8.2 months)
  2. Birthlitter of 1 young
  3. Sexual maturity3 yr (female)
  4. Typical lifespan24.5 years
  5. Maximum recorded longevity24.5 years

Reproduction

Gestation
250days≈8.2 months
Litter size
1youngaverage
Age at first breeding
3years

Diet composition

Herbivore

By foraging composition: 100% plant material.

  • Plant material100%

Most active around the clock.

Typical values for the species, not local measurements. Maximum longevity is the longest lifespan on record; most individuals live far less.

Commonly confused with

Animals people sometimes mistake for the barasingha, and how to tell them apart.

The deer with branching antlers

Barasingha is a large South Asian deer whose name refers to its many-tined antlers. Field identification still depends on the whole animal, its behavior, and location because a quick glimpse can hide useful features.

Herds shaped by grass and water

It grazes and browses in herds around wet grassland, floodplain, and marsh-edge habitat. Habitat must connect feeding areas with secure places to rest, shelter, or raise young. That link explains why a broad outline can contain large areas the species doesn’t regularly use.

Why American reports need context

Animals documented nationally are managed or escaped, not part of a native breeding range. Reports depend on access, survey methods, and correct identification. A cluster doesn’t measure population size, and a blank area doesn’t prove absence. Repeated surveys are needed to separate real biological change from changes in reporting.

Reconnecting South Asian strongholds

Wide-ranging species can face very different pressures across their distribution. Protecting feeding habitat, travel routes, and undisturbed shelter addresses the parts of the landscape they actually need. Global conservation categories don’t replace local monitoring.

Data & sources

The data and visualizations on this page draw on these open sources: