Heaviest animals in the world

 When I was watching the episode of Koun Banega Karodpati program, this question was there regarding heaviest animal.

I knew it is blue whale.

But there are some more animals which are heavily built. These animals are large in nature but not in bone. 

They are - - - - -

1. Blue whale 

2. Sharks

3. Elephants 

4. Rhinoceros 

5. Hippopotamus

6. Elephant seal 

7. Giraffes 

8. Crocodile

9. Bovini

10. Polar bear