Nilgiri Tahr: Blue Mountain Goat

Second Annual Synchronized Estimation: Tamil Nadu and Kerala are conducting the second annual synchronized estimation of the Nilgiri Tahr population.

Expanded Survey Area: This year’s survey covers 176 blocks (36 new), a significant increase from the 140 blocks surveyed last

Data Significance: The survey aims to

Part of Project Nilgiri Tahr: The survey is a key component of Tamil Nadu’s “Project Nilgiri Tahr,” launched in October 2023.

Extensive Coverage: The survey spans 2,000 km of terrain, covering an estimated 233 sq. km.

Baseline Data from Previous Survey: The first survey provided baseline data, estimating 1,031 individuals in Tamil Nadu and 827 in Eravikulam National Park (Kerala).

Post-Calving Season Survey: Conducted post-calving to spot adult tahrs with their young.

Survey Methods: Enumerators use the bounded count method in fragmented areas and the double observer method in large continuous landscapes.

Faecal Sample Collection: Faecal samples of carnivores will be collected to assess parasitic loads in tahrs.

Endangered Species: The Nilgiri Tahr is an endangered mountain ungulate endemic to the southern Western Ghats. Its IUCN status is endangered and its also under schedule I of Wildlife Protection Act of India, 1972.

Habitat and Distribution: Found in a 400 km stretch of the Western Ghats in Kerala and Tamil Nadu, inhabiting montane grasslands. Eravikulam National Park (Kerala) has the highest density.

Physical Characteristics: Stocky goats with short, coarse fur; males are larger and darker with larger horns; adult males develop a “saddle.”

State Animal: The Nilgiri Tahr is the state animal of Tamil Nadu.