Explanation:

About Great Indian Bustard

• It is a bustard found on the Indian subcontinent. 

• Scientific Name: Ardeotis nigriceps

• It is among theheaviest of the flying birds.

• Distribution: The species has a current viable population of 100- 150 individuals in India and mainly survives in the Thar Desert of Rajasthan that holds about 100 individuals.

• Habitat: It inhabits dry grasslands and scrublands.

• The body is brownish, and the wings are marked with black, brown, and grey.

• They breed mostly during the monsoon season, when females lay a single egg on open ground. 

• Lifespan: 12-15 years

Conservation Status

• IUCN Red List: Critically Endangered

• Wildlife (Protection)Act, 1972: Schedule 1

• CITES: Appendix 1

Hence option 3rd is correct.