The North American river otter, a member of the subfamily Lutrinae in the weasel family (Mustelidae), is equally versatile in the water and on land. It establishes a burrow close to the water's edge in river, lake, swamp, coastal shoreline, tidal flat, or estuary ecosystems. The den typically has many tunnel openings, one of which generally allows the otter to enter and exit the body of water. Female North American river otters give birth in these burrows, producing litters of one to six young
An otter's burrow is called a Den, Holt or Couch
only sea otters and it depends on the type of otter
The burrow of the otter must be above the water level to protect it from flooding and to provide a safe, secure place for raising young. Elevated burrows also offer a refuge from predators and create a dry environment for resting and denning. Additionally, being above the water allows otters to easily access the burrow while maintaining a connection to their aquatic habitat for hunting and foraging.
the need fish to survive
A Holt is a den or burrow typically used by otters. Otters are semi-aquatic mammals that use holts as shelter and protection.
Otters will build their home anywhere, even in the base of a tree that hangs over the creek. The home is called a Holt regardless of where or how it is made.
River otters live in a burrow close to the water's edge in a river, lake, swamp, coastal shoreline, tidal flat, or estuary.
Usually only one will survive.
the basic needs of a sea otter is an ocean, salt, food, and water
A river otter is a animal that comes from the weasel family.It is being endangered by water pollution, oil spills, and hunting.One of the river otters predators is the black bear.
I don't really know but if you would like to believe it, go head, I will stand by you
there constantly being hunted for their fur, there habitats are being destroyed.