because there are nocturnal
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.
In the water
they live in salt and fres
Otters live in water, in dens or nests. In winter, when an otter's den or nest freezes over, the otter will look for a new river to live in. P.S. Otters nest's live on top of water or along river banks.
Yes Dolphins and Sea Otters live in sea water.
The river otters Niche is its living in a hole next to the river because it cannot live in water but can live near water for drinks and stuff.
by simming
Yes, as long as there is water nearby.
Otters are mammals but they can swim and live in water.
Yes, most of the time they do.