Animal	Weight (Tons)
1. Blue Whale	130.0
2. Fin Whale	45.0
3. Right Whale	40.0
4. Sperm Whale	36.0
5. Grey Whale	32.7
6. Humpback Whale	26.5
7. Baird's Whale	11.0
8. Southern Elephant Seal	3.6
9. Northern Elephant Seal	3.4
10. Pilot Whale	2.9