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Wildlife Conservation / Endangered Species — UPSC Mains Model Answer

Environment · UPSC CSE
Question: Conservation of Western Hoolock Gibbons — status, ecological significance, and challenges in North-east India

Introduction

The Western Hoolock Gibbon, India's only ape species, occupies a critical ecological niche in the rainforests of North-east India. Its Endangered status on the IUCN Red List signals an urgent conservation imperative.

Body

1. Habitat and Protected Area Coverage

Western Hoolock Gibbons are found primarily in forests of Assam, Meghalaya, Manipur, and Mizoram. Sanctuaries such as Gibbon Wildlife Sanctuary in Assam serve as dedicated refuges. Fragmented forest patches outside protected areas, however, leave significant populations vulnerable to habitat loss.

2. Distinctive Locomotion — Brachiation

Unlike gorillas, Hoolock Gibbons possess a slender, lightweight build specifically adapted for brachiation — swinging arm-over-arm between tree canopies. This locomotion requires continuous forest cover; any gap in the canopy effectively isolates gibbon groups, disrupting gene flow and social structure.

3. Threats to Survival

Deforestation driven by shifting cultivation, infrastructure expansion, and illegal logging remains the primary threat. Hunting for bushmeat and the live animal trade compounds population decline. Gibbons' low reproductive rate — typically one offspring every two to three years — makes recovery from population loss exceptionally slow.

4. Conservation Interventions

Community-based forest management, canopy bridge installations across roads, and habitat corridor restoration are proven tools. Integrating gibbon conservation into state wildlife action plans and strengthening enforcement under the Wildlife Protection Act are essential administrative priorities.

Conclusion

Sustaining Western Hoolock Gibbon populations demands landscape-level thinking that bridges protected area management with community livelihoods. Corridor connectivity and local stewardship, backed by robust legal enforcement, will determine whether this species recovers or declines irreversibly.

Word count: 228

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