10th
GoPro: Polar Bears – The Quest for Sea Ice
Polar bear
- 【Scientific name】
- Ursus maritimus
- 【Taxonomy】
- Family:Ursidae
Genus:Ursus - 【Range】
- Arctic Circle
9th
Nutria swimming
Nutria
- 【Scientific name】
- Myocastor coypus
- 【Taxonomy】
- Family:Myocastoridae
Genus:Myocastor - 【Range】
- South American continent
8th
Tracking shot of a Eurasian beaver (Castor fiber) swimming underwater, France
Beaver（Castoridae family in general）
- 【Scientific name】
- Castor
- 【Taxonomy】
- Family:Castoridae
Genus:Castor - 【Range】
- Northern Europe,North American continent
※Video by European Beaver.
7th
The Dugong: the Ocean's Vacuum Cleaner | Wild Egypt
Dugong
- 【Scientific name】
- Dugong dugon
- 【Taxonomy】
- Family:Dugongidae
Genus:Dugong - 【Range】
- Indian Ocean Coast, Western Pacific Coast
6th
Ichetucknee Springs
Manatee（Trichechidae family in general）
- 【Scientific name】
- Trichechus
- 【Taxonomy】
- Family:Trichechidae
Genus:Trichechus - 【Range】
- Latin America, Midwest Africa
※Video by American Manatee.
5th
Swimming Walruses
Walrus
- 【Scientific name】
- Odobenus rosmarus
- 【Taxonomy】
- Family:Odobenidae
Genus:Odobenus - 【Range】
- Arctic coast
4th
Duckbill Platypus | Australia
Platypus
- 【Scientific name】
- Ornithorhynchus anatinus
- 【Taxonomy】
- Family:Ornithorhynchidae
Genus:Ornithorhynchus - 【Range】
- Eastern Australia
3rd
Giant River Otter Swimming very fast in Aquarium Otters Fish Tank at River Safari Singapore
Otter（Lutrinae subfamily in general）
- 【Scientific name】
- Lutrinae
- 【Taxonomy】
- Family:Mustelidae
Subfamily:Lutrinae - 【Range】
- worldwide
※The video is of a giant otter.
2nd
Tourists Swim With Huge Group Of Playful Sea Lions
Sea lion（Otariidae family in general）
- 【Scientific name】
- Otariidae
- 【Taxonomy】
- Family:Otariidae
- 【Range】
- Coast of the Pacific
※Video of a California sea lion.
1st
Scuba Diving in Antarctica with Leopard Seals
Earless seal（Phocidae family in general）
- 【Scientific name】
- Phocidae
- 【Taxonomy】
- Family:Phocidae
- 【Range】
- Coastal areas around the world
※The video shows a leopard seal.
