Archive · 14 Aug 2026
How India's nilgai became an ecological concern in Texas
There is a big animal called the nilgai, and it is the largest antelope in India.
People brought nilgai to a place called Texas a very long time ago, almost 100 years.
They wanted them for meat and for hunting on ranches.
Some nilgai escaped or were let go on purpose.
In Texas, the weather was warm and there was lots of grass, so the nilgai were happy and made many babies.
There were no big animals that eat them, so their numbers grew very fast.
Now there are lots of wild nilgai in Texas, and that can cause problems.
Nilgai can carry tiny insects called ticks, and those ticks can carry germs that make cows sick.
In India, nilgai are not invaders because they have always lived there.
But even in India, when forests are cut down and there are fewer predators, nilgai can eat farmers' crops and cause trouble.
Nilgai, India's largest antelope, were introduced to Texas nearly a century ago as potential ranch animals and for their meat.
The animals established feral populations due to the warm climate, extensive grasslands, large ranches, and few natural predators in Texas.
Nilgai can host ticks associated with pathogens affecting cattle, creating disease-management challenges for livestock producers.
In India, nilgai are native and not considered invasive, but habitat loss and declining predator populations have made them pests in some areas.
Wildlife photographer and environmentalist Indrajit Ghorpade says the Texas example highlights the disruption caused when animals are moved beyond their natural range.
- Who
- Nilgai (India's largest antelope), livestock producers in Texas, and wildlife photographer-environmentalist Indrajit Ghorpade, who commented on the issue.
- What
- Nilgai introduced to Texas nearly a century ago established feral populations, becoming an ecological concern partly because they can host ticks associated with pathogens affecting cattle.
- When
- The introduction happened nearly a century ago; the concern is detailed in a recent Business Today report.
- Where
- Texas, United States; the species is native to the Indian subcontinent.
- Why
- The warm climate, extensive grasslands, large ranches, lack of natural predators, and wide-ranging movements allowed the animals to spread and become difficult to manage.
- Species
- Nilgai, India's largest antelope
- Native range
- Indian subcontinent
- Feral population location
- Texas, United States
- Time of introduction
- Nearly a century ago
- Original purpose
- Potential ranch animal, meat, and game hunting
- Main livestock concern
- Hosts ticks associated with pathogens affecting cattle
- Status in India
- Native, not invasive, but considered pests in parts of India
- Expert quoted
- Indrajit Ghorpade, wildlife photographer and environmentalist