While they occasionally sleep or give birth on shore, most of their lives are spent in the water. An otter may even use a rock to pry food off underwater rocks. A 2008 study done by Tinker, Doak, and Estes, using a predictive The most notable physical difference between this subspecies and its northern cousins is size. Within Alaska, there are 3 stocks. …. …, At many zoos around the world, pumpkins entertain all kinds of hungry, bored, or just-plain-curious creatures. Islands in the western Pacific. They Have Fantastic Fur The northern sea otter subspecies (E. lutris kenyoni), is found in the Aleutian Islands, Southern Alaska, British Columbia, and Washington. The species is most commonly observed within the 40-meter They have incredibly dense fur—up to a million hairs per square inch! But sea otters rely on only their fur. They live along the coasts of the northern Pacific Ocean (see the map above). Southern sea otters are currently found from Pigeon Point to Gaviota, CA, but this is just a fraction of the range they used to inhabit, which extended from Baja along the entire California coast and into Oregon, where it merged with northern sea otters that scientists now consider a separate subspecies. (1.8-2.3 kg). A mother sea otter cradles her sleeping baby on her chest (above). Sea otter pup can emit a strong high-pitched call when in distress or separated from its mother. model their research produced an expected rate of southward range expansion The sea otter will generally live between 10 and 20 years, and maintain a relatively constant age structure. The areas of their brains that receive tactile sensory information from the forelimbs are enlarged. Sea otters are part of the weasel family. All otter species occupy a home range. and Gunderson, 2012; SeaWorld, 2005). Southern Sea Otter Range Expansion and Habitat Use in the Santa Barbara Channel, California. The river otter is protected and insulated by a thick, water-repellent coat of fur. 0 0 1 ... the Smooth-coated otter, the Spotted-necked otter, and (of course) the Sea otter. Their northern range is limited by the formation of sea ice starting at 57 degrees N latitude. Due to conservation efforts, southern sea otters have repopulated about 13% of their historical range. It makes its home in a burrow near the water's edge, and can thrive in river, lake, swamp, or estuary ecosystems. Body Composition. That would be like a 60-pound kid eating 60 quarterpound hamburgers every day! 2003), which is within the age range (2–4 y) that female sea otters become reproductively active (Bodkin et al. Home ranges vary in size with species, location, and resource distribution, and are generally larger for males Straight line lengths for Eurasian otter home ranges in Sweden average about 15 km (9.3 mi.) Northern sea otters are found in the Aleutian Islands and the coasts of south mainland Alaska, British Columbia, and the U.S. State of Washington. Females are slightly smaller, weighing 14-33 kg and measuring 1-1.4 m in length. Sea otters are streamlined marine mammals, which look like a larger, fluffier, version of their freshwater cousins, river otters. Sea otters in captivity will consume up to 25% of their body weight per day. Some of sea otters’ favorite foods include clams, mussels, sea urchins, crabs, abalone (abuh- LOH-nee), octopuses, and—for the Alaskan sea otter—fish. The displayed sea otter range is a generalization of known range occupied by sea otters observed during spring and summer population surveys up to 2008. …, People in this community have owls for neighbors. Eastern North Pacific Ocean ( see the map above ) mammals of size... For about six months similar size, and even Japan 9 kg ( 72 lbs. ) deals,,! 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