Consider the following statements with reference to Black-necked cranes:
1. They are the only crane species to migrate between winter and summer grounds.
2. The high altitude wetlands of the Tibetan plateau , Sichuan (China), and eastern Ladakh (India) are the main breeding ground of this species.
3. They are placed as 'Endangered' under IUCN Red List.
Which of the statements given above are correct?
1
1 and 3 only
2
1 and 2 only
3
2 and 3 only
4
1, 2 and 3