Following the loss of Pisaster, sea otters more than doubled their mussel consumption, increasing from less than seven percent to nearly 18 percent of their overall diet. The local number of sea ...

Sea otters are larger. On average, females will weigh up to 60 pounds, while males can reach around 90 pounds, according to the Ocean Conservancy . In some cases, males bulk up to 100 pounds.

To stay warm and well-fed in freezing waters, sea otters eat nearly a quarter of their body weight in food every day - and their diet is not just limited to crabs. Sea otters also snack on sea ...

Orcas don't usually eat sea otters, but one killer whale died after swallowing seven. Orcas typically hunt porpoises, seals, sea lions, and whales.

Sea otters live in chilly waters that can reach temperatures of 32 to 59 degrees Fahrenheit. Typically, mammals that live in this type of environment withstand the cold through blubber or being big.

Sea otters (Fig. 1) need to consume an amount of food equivalent to more than 20% of their body mass per day in these cold estuarine waters 8, and their diet includes the commonplace striped shore ...

Sea otters are probably larger than you may think. Northern sea otters can weigh up to 100 pounds; their southern cousins are up to 50 pounds for females, up to 70 pounds for males.

Pinpointing the location of sea otter populations, versus green crabs. Research coordinator Kerstin Wasson, Ph.D., says the modeling seems to confirm the trend, more otters, fewer crabs.

Sea otters were one of the many marine mammals hunted by European settlers in the 1700s and 1800s, Hughes said. Their pelts were considered to be especially valuable, ...

Some coastal wolves in Alaska have toxic levels of mercury in their bodies after shifting from a terrestrial diet of deer and moose to a marine diet heavy with sea otters, new research finds. Mercury ...

On a small island near Gustavus, a wolf pack has decimated the local deer population – and started feeding on sea otters instead. The shift underscored coastal wolves’ adaptability. But then ...