Regarding the Great Indian Bustard, consider the following statements:
- It is among the heaviest flying birds in the world and is recognized as the state bird of Rajasthan.
- Being omnivorous, it serves as an indicator species, reflecting the health of grassland ecosystems.
- While it is classified as Critically Endangered on the IUCN Red List, it is protected under Schedule I of the Wildlife (Protection) Act, 1972.
How many of the statements given above is/are correct?