Key findings of the Survey:
- As per the report, two species, namely white-rumped vulture and red-headed vulture, considered critically endangered by the International Union for Conservation of Nature (IUCN) list, have been documented in the survey,
- Two endangered species — Pallas’s fish-eagle, Egyptian vulture were also counted by the researchers in the survey.
- Four vulnerable bird species — great hornbill, great slaty woodpecker, grey-crowned prinia and river tern — have also been counted in the survey.
About Corbett Tiger Reserve
- It is located in the Nainital district of Uttarakhand which encompasses the Patli Dun valley.
- The Ramganga, Sonanadi, Palain and Mandal, and Kosi rivers form the prominent hydrological resource for the Corbett.
- The core area of the reserve contains the Corbett National Park and the Sonanadi Wildlife Sanctuary is part of its buffer area.
- Flora: The trees which contribute to the Flora of Corbett consist of evergreen Sal and its combined trees, the Sheesham, and the Kanju found extensively on the ridges.
- Fauna: Tiger, Leopard, Elephant, Hog deer, spotted deer, Samber etc.
Q1) What is the International Union for Conservation of Nature?
The International Union for Conservation of Nature (IUCN) is a global organization dedicated to conserving nature and promoting sustainable use of natural resources. It is widely recognized as a leading authority on the status of species and ecosystems, and it plays a crucial role in setting conservation priorities and advocating for environmental protection.
Last updated on August, 2026
→ UPSC Mains 2026 will be conducted on 21st, 22nd, 23rd, 29th and 30th August 2026.
→ Check out the latest UPSC Syllabus 2026 here.
→ UPSC Mains Admit Card 2026 is expected to be released in early August at upsc.gov.in or upsconline.nic.in
→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2027 for structured answer writing practice, expert evaluation, and exam-oriented feedback.
→ Join Vajiram & Ravi’s UPSC Mentorship Program 2027 for personalized guidance, strategy planning, and one-to-one support from experienced mentors.
→ Go through the UPSC Mains Previous Year Papers to enhance your preparation.
→ Download UPSC Mains Essay Paper 2025, UPSC Mains GS Paper-I 2025, UPSC Mains GS Paper-II 2025, UPSC Mains GS Paper-III 2025, UPSC Mains GS Paper-IV 2025, UPSC Mains English (Compulsory) Paper 2025, UPSC Mains Hindi (Qualifying) Paper 2025 here.
→ UPSC has released UPSC Toppers List 2025 with the Civil Services final result on its official website.
→ UPSC Calendar 2027 has been released.
→ Also check Best UPSC Coaching in India







