# Top 22 Most Amazing Marine Mammals

> Giants that sing across ocean basins sit beside whiskered hunters and playful floaters. Cuteness and sheer scale are both valid ways to vote.

*By YPB Team · Published October 21, 2026 · https://youpick.best/ranking/top-22-most-amazing-marine-mammals*

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## Current results (no votes yet)

1. **Blue Whale** — score 1000/1000
   The largest animal ever to have lived.
2. **Orca** — score 939/1000
   Apex hunter and the largest dolphin.
3. **California Sea Lion** — score 586/1000
   Noisy, agile marine performer.
4. **Polar Bear** — score 532/1000
   Arctic top predator that lives on sea ice.
5. **Harp Seal** — score 532/1000
   White-coated pups of the Arctic ice.
6. **Narwhal** — score 532/1000
   Arctic whale with a spiral tusk.
7. **Harbor Seal** — score 469/1000
   Common coastal seal with a spotted coat.
8. **Bowhead Whale** — score 469/1000
   Arctic whale that can live for two centuries.
9. **Walrus** — score 397/1000
   Tusked Arctic giant that hauls out in huge herds.
10. **Dugong** — score 397/1000
   Seagrass-grazing sea cow of the Indo-Pacific.
11. **Sperm Whale** — score 397/1000
   Deep-diving toothed whale with the biggest brain.
12. **Steller Sea Lion** — score 397/1000
   Largest of the sea lions.
13. **Amazon River Dolphin** — score 397/1000
   Pink freshwater dolphin of the Amazon.
14. **Sea Otter** — score 313/1000
   Fur-dense floating tool user of the Pacific coast.
15. **Humpback Whale** — score 313/1000
   Acrobatic singer famous for breaching.
16. **Beluga** — score 313/1000
   White, chatty whale of Arctic waters.
17. **Weddell Seal** — score 313/1000
   Antarctic seal that lives farther south than any other mammal.
18. **Manatee** — score 213/1000
   Gentle, slow-moving sea cow of warm waters.
19. **Fin Whale** — score 213/1000
   Second-largest animal on Earth and a speedy swimmer.
20. **Bottlenose Dolphin** — score 213/1000
   Intelligent, playful and the best-known dolphin.
21. **Leopard Seal** — score 213/1000
   Spotted Antarctic predator.
22. **Gray Whale** — score 213/1000
   Migrates up to 20,000 km a year.

Tags: nature, animals, species, ocean, marine mammals