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A sea otter using a rock to break open a shell. The sea otter, Enhydra lutris, is a member of the Mustelidae that is fully aquatic. Sea otters are the smallest of the marine mammals, but they are also the most dexterous. Sea otters are known for their ability to use stones as anvils or hammers to facilitate access to hard-to-reach prey items.
Furthermore, sea otters will use large stones to pry an abalone off its rock; they will hammer the abalone shell with observed rates of 45 blows in 15 seconds or 180 rpm, and do it in two or three dives. Releasing an abalone, which can cling to rock with a force equal to 4,000 times its own body weight, requires multiple dives by the otter. [102]
The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean.Adult sea otters typically weigh between 14 and 45 kg (30 and 100 lb), making them the heaviest members of the weasel family, but among [3] the smallest marine mammals.
Sea otters are among the world’s most playful and adorable animals. They are beloved for their charming antics and cuddly appearance. Otters are social animals, and in the wild, live together in ...
Sea Otters are one of the cutest animals on the planet. Here are some of facts that will make you fall in love with them all over again. SEE ALSO: These tiny bats look just like cotton balls 1.
Sea otters can also bite sea urchins and mussels open using their strong jaws and teeth. Adults can crush most of their food items but youngsters have not yet developed powerful enough jaws. Therefore, young otters require the assistance of a tool or stone. Tools may also be used when the molluscs are too large to be crushed in the jaws. [14] [15]
"The sea otters, they're like an assistant manager for us," she said. The pattern is striking. “When the otter population was the lowest back in 2003-2004, we thought the green crabs were going ...
Enhydra is a genus of mustelid that contains the sea otter and two extinct relatives. It is the only extant genus of the bunodont otters group, referring to otters with non-blade carnassials with rounded cusps. [1] Sea otters probably diverged from other otters during the Pliocene, approximately 5 mya. [2]