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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.
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]
Most have sharp claws on their feet and all except the sea otter have long, muscular tails. The 13 species range in adult size from 0.6 to 1.8 m (2.0 to 5.9 ft) in length and 1 to 45 kg (2.2 to 99.2 lb) in weight. The Asian small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest.
On Friday, April 12th, she shared a video about a sea otter named Libby, who currently has baby fever. KP explains that Libby is going through an estrus cycle, a hormonal cycle that "tells her she ...
The sea otter evolved initially in northern Hokkaidō and Russia, and then spread east to the Aleutian Islands, mainland Alaska, and down the North American coast. In comparison to cetaceans, sirenians, and pinnipeds, which entered the water approximately 50, 40, and 20 mya, respectively, the sea otter is a relative newcomer to marine life.
Sleek sea otters dive and twirl in a tank before awed visitors. Captive-bred white abalone are the under-the-radar stars of another exhibit showcasing their habitat to raise awareness of their plight.
The left-hand side represents the evolutionary explanations at the species level; the right-hand side represents the proximate explanations at the individual level. In the middle are those processes' end products—genes (i.e., genome) and behaviour, both of which can be analyzed at both levels.
Santa Cruz's sea otter, 841, has given birth to a wee pup — suggesting that her erratic behavior could have been hormonally driven. After terrorizing surfers, California's angriest otter finds ...