Weight: 11 to 30 lbs Interesting Facts: Otters are comfortable in water or land, but they typically build a den near the edge of water. They can do well in rivers, lakes, swamps and saltwater ...

The female otters raise the offspring within a core home range that includes that natal den ... up out of the water, like a furry periscope. Take a walk around a river, pond or salt marsh and ...

Photographer’s description: “My goal on this adventure was to find some otters on the negative tide. I came upon a family of four hunting for breakfast in the Sound, and this individual ...

The playful North American river otter is equally at home in the water and on land ... Females retreat to their underground dens to deliver litters of one to six young. When the young are only ...

Even though our otters can live in salt water, they’re not the same as California ... while river otters are frequently on land and even sleep in dens they build onshore.

River Otters utilize and/or construct dens adjacent to permanent water and may make conspicuous mud-slides along the the banks of rivers, streams, and lakes where they belly-slide down into the water.

Sea otters are the only otters that give birth in water. Other otters give birth in dens. Otter babies are called pups. They are born weighing only 4.5 ounces (128 grams) for smaller species and 5 ...

A typical den has an underwater entrance hole, a living space above water level and several air or exit-entry holes to dry ground. What they eat Otters obtain most of their food from the water.

Otters have been caught on newly installed cameras at Tophill Low Nature Reserve New dens have been built and ... during the 2012 floods. Yorkshire Water, which owns the reserve at its treatment ...