North American River Otter vs Sea Otter
Two species side by side. The larger value in each row is highlighted.
vs
Size
North American River Otter
1.3 m
Human
1.75 m
Sea Otter
1.5 m
| North American River Otter | Sea Otter | |
|---|---|---|
| Weight | 5–14 kg | 14–45 kg |
| Length | 0.9–1.3 m | 1–1.5 m |
| Top Speed | – | 9 km/h |
| Lifespan | 8–16 yrs | 10–23 yrs |
| Gestation | 290 days | 180 days |
| Offspring | 1–5 | 1–1 |
| Diet | Carnivore | Carnivore |
| Conservation Status | Least Concern | Endangered |
| Activity Pattern | Crepuscular | Diurnal |
| Migration | Sedentary | Sedentary |
| Habitat | River, Wetland, Forest, Coast | Coast, Ocean |
| Regions | North America | Asia, North America |
| Family | Mustelidae | Mustelidae |
| Order | Carnivora | Carnivora |