BAR-HEADED GOOSE
Anser indicus
DESCRIPTION
The Bar-headed Goose is a medium-sized waterfowl known for its remarkable ability to fly at high altitudes, often crossing the Himalayas during migration. It has a distinctive appearance with a grayish-brown body, a white face, and two black bars on its head, which give it its name. This species is highly social, often seen in large flocks, and is known for its strong pair bonds during the breeding season.
FUN FACTS
- Bar-headed Geese are known for their incredible migratory feats, flying over the Himalayas at altitudes of up to 8,000 meters, where oxygen levels are extremely low
- This remarkable adaptation allows them to travel between their breeding grounds in Central Asia and wintering areas in India
- | These geese have a unique physiological adaptation that allows them to efficiently use oxygen at high altitudes, including a special hemoglobin that binds oxygen more effectively
- This adaptation is crucial for their survival during their long migratory journeys
QUICK INFO
Lifespan10-15 years in the wild
Average Weight2.5-3.5 kg
Average Length70-80 cm
Diet TypeHerbivore
Social StructureThey are typically found in groups, often forming large flocks during migration and in wintering areas.
Activity PatternDiurnal
Breeding SeasonSpring (April-June)
- Habitat
- Bar-headed Geese inhabit wetlands, lakes, and grasslands, particularly in high-altitude regions. They are often found in areas with abundant vegetation for grazing.
- Biomes
- Wetlands, Grassland, Alpine
- Native Range
- The native range of the Bar-headed Goose includes Central Asia, particularly around the Tibetan Plateau and the Himalayas.
- Continent
- Asia
- Countries
- India, Nepal, Mongolia, China, Kazakhstan
- Diet
- Bar-headed Geese primarily feed on grasses, grains, and other aquatic plants. They are known to graze in fields and wetlands, foraging for food both on land and in water.
- Diet Type
- Herbivore
- Favorite Food
- grasses, grains, aquatic plants
- Social Structure
- They are typically found in groups, often forming large flocks during migration and in wintering areas.
- Activity Pattern
- Diurnal
- Group Size
- 50-100
- Territorial
- 0
LC
2.5-3.5 kg
Weight
70-80 cm
Length
- Coloration
- Grayish-brown body with a white face and two black bars on the head.
- Lifespan
- 10-15 years in the wild
- Offspring per Birth
- 3-6
- Sexual Maturity
- 2-3 years
- Breeding Season
- Spring (April-June)
LC
Least Concern
IUCN Red List Status
- Population Status
- The population of Bar-headed Geese is currently stable, although they face some threats.
- Wild Population Estimate
- 100,000-200,000
- Population Trend
- Stable
- Endangered
- 0
- Threats
- Main threats include habitat loss due to agricultural expansion and climate change, which affects their migratory routes and breeding grounds.
- Predators
- Foxes, eagles, and large birds of prey are known to prey on Bar-headed Geese, especially their eggs and young.
- Defense Mechanisms
- Bar-headed Geese often rely on their flocking behavior for safety, using numbers to deter predators.
- Found in Zoos
- Uncommon