Correct option is D
Sangai, also known as the Manipur brow-antlered deer, is an endangered species found exclusively in the Keibul Lamjao National Park located within Loktak Lake in Manipur, India. This unique deer is adapted to the floating phumdis (heterogeneous organic masses) of the lake. The Sangai is a symbol of Manipur's natural heritage and cultural pride. Conservation efforts are ongoing to protect this critically endangered species from threats such as habitat destruction and poaching. Thus, the correct answer is Sangai.
Information Booster:
- The Sangai is scientifically known as Rucervus eldii eldii.
- It is also referred to as the dancing deer due to its graceful movement on the floating phumdis.
- Loktak Lake is the largest freshwater lake in Northeast India and home to this species.
- The Sangai is listed as endangered on the IUCN Red List.
- Conservation challenges include shrinking habitat, poaching, and ecological degradation of Loktak Lake.
Additional Knowledge:
(a) Chital: Also known as the spotted deer (Axis axis), chital is common in India and found in forests and grasslands. It is not associated with Loktak Lake and is not endangered.
(b) Barasingha: Also called the swamp deer (Rucervus duvaucelii), it inhabits marshy grasslands and swamps. While threatened, it is not exclusive to Loktak Lake.
(c) Sambar: Sambar deer (Rusa unicolor) are large deer found across the Indian subcontinent. They are not endangered and have a wide distribution in forested areas.