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 ...

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.

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 ...

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 ...

"We're testing samples to see how they hold up in a salt water regime and that's part of our decision making for whether to go with it in the new aircraft," he says. Some 600 aged Twin Otters are ...

Zoology major and lead student researcher Rossetta Chen said the otters could be near ponds or lakes as they prefer deep, still water ... whose dens they can steal, she said.

Sea otters are helping ... effects of erosion.” Salt marshes provide crucial habitats for wildlife but are threatened globally. Several factors, such as increased water flow and sea-level ...

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 ...

They will tolerate a small level of pollution, a huge amount of pollution gets washed off our road after a dry winter period for example, all the road salt ends up in our water courses - otters ...

New dens have been built and cameras ... was started after otters were forced out of their homes during the 2012 floods. Yorkshire Water, which owns the reserve at its treatment works, said ...