Consider the following statements regarding the ‘Gangetic Dolphin’ :
1. The Gangetic River Dolphin has been categorized as ‘endangered’ under the IUCN’s Red List.
2. It does not have a crystalline eye lens rendering it effectively blind.
3. Navigation and hunting are carried out using echolocation.
4. It has been recognized as India’s National Aquatic Animal.
Which of the above statements are correct?
1
Only 1, 2 and 4
2
Only 2, 3 and 4
3
Only 1, 3 and 4
4
All of the above