With use of genetic and fossil evidence, sea otters have been around for at least 5 million years.
Sea otters get to be 4 to 5ft long
how long has archaebacteria been on earth? how long has archaebacteria been on earth?
Their physiology is not adapted for this as is the otters
Otters are not native to Australia. Apart from the occasional zoo, there are no otters in Australia.
Sea otters have been considered endangered since the early 20th century when hunting for their fur led to a significant decline in their population. Conservation efforts have been implemented to help protect and recover sea otter populations since then.
They are the best semi-aquatic mammals on earth!
They are the best semi-aquatic mammals on earth!
they have been on the earth for along time
Otters are able to stay underwater for up to 8 minutes.
California sea otters are roughly 4 feet long. Northern sea otters are slightly larger. They weigh up to approximately 45 lbs (females) - 65 lbs (males). Northern sea otters can reach up to 100 pounds.
There are sea otters and other otters. In the category of "other" otters, you can include the North American River Otter, Giant Otter of South America, Asian small clawed otters, Congo clawless otters, Capr clawless otters, Southern river otters, hairy nosed otters, spot necked otters, neo tropical long tailed otters, and others I may fail to mention.