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Second Annual Synchronized Estimation: Tamil Nadu and Kerala are conducting the second annual synchronized estimation of the Nilgiri Tahr population.
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Expanded Survey Area: This year’s survey covers 176 blocks (36 new), a significant
increase from the 140 blocks surveyed last year, including the Kodaikanal division. -
Data Significance: The survey aims to generate vital data on the population trend of the state animal.
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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.
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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).
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Post-Calving Season Survey: Conducted post-calving to spot adult tahrs with their young.
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Survey Methods: Enumerators use the bounded count method in fragmented areas and the double observer method in large continuous landscapes.
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Faecal Sample Collection: Faecal samples of carnivores will be collected to assess parasitic loads in tahrs.
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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.
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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.
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Physical Characteristics: Stocky goats with short, coarse fur; males are larger and darker with larger horns; adult males develop a “saddle.”
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State Animal: The Nilgiri Tahr is the state animal of Tamil Nadu.
