Q. In which one of the following States is Pakhui Wildlife Sanctuary located? (UPSC Prelims 2018)
Answer: Arunachal Pradesh
Notes: The correct answer is [A] Arunachal Pradesh. Also known as the Pakke Wildlife Sanctuary (or Pakke Tiger Reserve), this protected area is situated in the East Kameng district of the state.

• Pakhui Wildlife Sanctuary (Statement A – Correct): It is a well-known biodiversity hotspot in the foothills of the Eastern Himalayas. It was declared a sanctuary in 1977 and later became a Tiger Reserve in 2002. The sanctuary is famous for its successful community-led conservation efforts, particularly the "Hornbill Nest Adoption Programme."
• Unique Fauna: The sanctuary is a critical habitat for four species of Hornbills (Great, Wreathed, Oriental Pied, and Rufous-necked). It also hosts the clouded leopard, marbled cat, and the capped langur.
• Geographical Context: It is bounded by the Bhareli (Kameng) River to the west and north, and the Pakke River to the east. It shares a border with the Nameri National Park of Assam to the south.
• Incorrect Options (B, C, D):
  • Manipur (Option B): Notable for Keibul Lamjao National Park (the world’s only floating park).
  • Meghalaya (Option C): Famous for Nokrek National Park and Balpakram National Park.
  • Nagaland (Option D): Home to the Intanki National Park.

Historically, the Pakhui Wildlife Sanctuary has won the India Biodiversity Award in the 'Conservation of Threatened Species' category for its Hornbill Project, showcasing a unique model where the local Nyishi tribe acts as guardians of the forest.