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Otters slap the water with their tails so that they can be able to move. This is their mode of swimming from one point to another.
There are both freshwater (river otters) and salt water otters.
In the water
Otters are a semi-aquatic mammal. So they don't live exclusively in water.
Habitat destruction and water pollution are the main threats to otters.
sea otters excrete in water and on land
In the water
Fish
Yes, sea otters communicate in many ways, such as making noises, rubbing noses, etc. Mother sea otters have special calls to their babies that are specific to each otter.
Otters are able to stay underwater for up to 8 minutes.
alligators and water snakes
because there are nocturnal