15. Consider the following statements about Indus river Dolphin:

1. Its conservation status is EW (Extinct in the Wild) as per IUCN, although a few species survive in captivity.

2. It can only be found in Jammu and Kashmir in the upper parts of river Nubra
3. They rely on echolocation to navigate and communicate.

Which of these statement(s) is/are correct?

1. 1 only

2. 3 only

3. 2 and 3 only

4. 1, 2 and 3

Correct Answer :

3 only