The sea otter spends most of its time in the water but, in some locations, comes ashore to sleep or rest. Most have sharp claws on their feet except for the sea otter … The sea otter has long whiskers and water-repellent coat that insulates the animal from freezing water. The sea otter’s feet are webbed which are good for picking up speed in the water. Sea Otter’s tails are smaller than other otters to reduce surface area. Sea Otters. As top predators, sea otters are critical to maintaining the balance of nearshore ecosystems, such as kelp forests, embayments and estuaries. Its ears and nostrils are closed down in water. Otters have long, slim bodies and relatively short limbs. Mating Behavior. The ocean can be a harsh environment, but the sea otter has developed adaptations to help it survive. Sharks and killer whales eat sea otters on occasion. They have webbed feet, water-repellent fur to keep them dry and warm, and nostrils and ears that close in the water. Some construct waterslides, for example. The otter is one of the few mammals that use tools. Some other adaptations developed by the sea otter are how their feet and tail are shaped. The life cycle and habitat of the sea otter … A male approaches a female and attempts to embrace her with his forelegs or … A sea otter’s range mass can be from 14-45 kg (30.84-99.12 lbs) and range in length from 1-1.5 meters (3.28-4.92 ft) (Allerga, Rath and Gunderson, 2012). This marine mammal can live on land with the same ease as it can live in the water without surfacing for days. The Asian small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest. They can be up to 100 pounds so they are the heaviest of all species. Here are five fun facts you otter know: Sea otters have the densest fur in the animal kingdom, with up to one million hairs per square inch of their body! *Sea Otters unlike other otters capture food with their flexible fingers and grab food with their hands. A sea otter rests on its back with its head, arms and flippers in the air, and looks like two lumps close together. One which forms a waterproof outer layer and the under fur is very dense to keep the animal insulated. These carnivores eat a variety of seafood, such as fish, frogs, crayfish, crabs and mollusks. Sea otters have a narrow skull with a wide rostrum and long nasal bones. The 13 otter species are members of the Mustelidae, or weasel, family and live in and out of water.For example, river otters reside along streams and waterways in freshwater areas within North America, and endangered sea otter inhabit the coasts along the Northern Pacific Ocean. Sea otters are mammals that spend most of their lives in the ocean. Females can give birth any time of the year, but most in California have their pup between January and March. Sea otter life cycle: The otter does not go through stages to become an otter like some animals, for example a frog. Otters do not have blubber like other marine mammals, such as whales. Adults grow to be about 4.5 feet. Length and Weight: Adult male sea otters weigh 70 - 90 pounds (32 - 41 kg) with some individuals reaching 100 pounds (45 kg). Sea otters rely on their high metabolism and their plush coat to keep warm. Fur: A sea otter's fur is the thickest and finest of any mammal. This helps them survive because they can not only see then it will float on their backs with their feet out of water. They are both fissipeds, “split-footed” members of the order Carnivora, and are more closely related to terrestrial carnivores, like … Distribution. Males may breed with more than one female during the year. This keeps the cold water away from their skin. The characteristics of this birth leads us to conclude that this means an exhausting physical effort for the father, to finally give birth his offspring. Their facial vibrissae (whiskers) may reach 10.2 cm (4 in) in length but are usually worn down to about 5 cm (2 in). Newborn sea otters weigh 3 to 5 pounds. However, this high metabolism requires them to eat a lot of food. A physical adaptation that a sea otter has it that they use their Another physical adaptation that my animal has is that it has very feet to reduce or maximize heat loss. Both animals have webbed feet, though the back feet of the sea otter are enormous by comparison, which is important for its life in the ocean. 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. Wild sea otters typically have a lifespan between 15 and 20 years. Physical Characteristics. *Otters are believed to have been on earth for 30 million years *Otters live on every continent except Antarctica and Australia. Sea otters are just as full of interesting characteristics as they are full of cuteness! Adult female sea otters weigh 30 - 60 pounds (14 - 27 kg). A sea otter’s tool of choice: typically a rock that can be used as a hammer or anvil to break open hard-shelled prey. Sea otters breed throughout the year. Main Characteristics Sea Otters are a large species of otter. Otters are born otters but grow and develop into bigger otters. A sea otter settles in for a nap in a patch of kelp. A sea otter floating on its back with its feet out of the water. A male river otter appears to approach females indiscriminately until it finds one that is receptive. Sea otters are a keystone species and play a critical role in the food web of the kelp forest, so much so that even terrestrial species are influenced by sea otter activity. This shallow-water otter is mainly diurnal, commonly observed sliding on mud banks, foraging in the … At about 4 or 5 years old, female sea otters typically have their first pup after a four-to-five-month-long pregnancy. The otter is very playful animal and may do activities just for fun. The coast of the Pacific, especially to the east and north, is home to the magnificent sea otter. Sea otter fur is the densest of any mammal at about 1 million hairs per square inch (We have 100,000 hairs on our entire head). If a sea otter is too cold good eyesight. All sea otters belong to the genus Enhydra. *Sea Otters love to play around and even play games such as tag. Their most striking anatomical features are the powerful webbed feet used to swim and their seal-like abilities to hold their breath underwater. Sea Otter Facts for Kids. On the other hand, the male rubs his pouch against a solid material, which is usually a rock or a shell, this makes easier the expulsion of hatchlings. Photo by Lilian Carswell, U.S. Instead, they have an extremely thick coat of fur to keep warm - no animal has thicker fur. Sea Otters and Polar Bears: Marine Fissipeds Two Alaska marine mammals are neither pinniped nor cetacean: the polar bear and sea otter. The sea otter can usually be found in kelp beds, and looks very much like lumps of kelp. Just about everyone that seems them has a comment in that regard to make. When sea otter populations are healthy, urchin populations are kept in check, and kelp is abundant. Sea otters come from the northern part of the Pacific Ocean, where it is very cold. Sea Otters have two types of hair. Fish and Wildlife Service. *The sea otter is the smallest marine mammal. Sea otter teeth are adapted for crushing hard-shelled invertebrates such as clams, urchins, and crabs. Sea otters can spend their entire life in water. This small (3–6 kg [6.6–13.2 pounds]) otter occurs on the Pacific coast from Peru through Chile and Tierra del Fuego in Argentina. 10. The sea otter, Enhydra lutris, is about three feet long, with a tail that adds approximately one more foot to its length.In shape it is like a river otter, which is slightly smaller in body but has a longer tail. Sea otters often float at the water's surface in forests of kelp, or giant seaweed, and entangle themselves to keep from moving in the rolling sea. The sea otter is the only member of this genus. The sea otter is known to have one of the thickest, hottest layers of hide in the set of all animals which keeps the sea otter warm in the harsh elements of the North Pacific waters. When swimming, look for a body with sleek, dark fur instead of blubber. The sea otter fits all of these characteristics and also is active year round like members in this family. The marine otter is really a freshwater otter that has learned to occupy marine environments in South America. Population characteristics in the general environment and population genetics and dynamics of a population at-risk. Average weight of an adult female California sea otter is about 50 lbs. Otters do not have blubber, instead air is trapped within their fur to keep them warm. PHYSICAL CHARACTERISTICS. Adult males reach an average length of 4.5 feet (1.4 m) with a typical weight between 50 and 100 lbs (23 to 45 kg), while adult females reach an average length of 4 feet (1.2 m) and typically weigh 45 lbs (20 kg). Asian small-clawed otter is found in freshwater wetlands and mangrove swamps, and at higher elevations, it is associated with fast-flowing, rocky streams. Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. A sea otter pup’s fur traps so much air that they cannot dive underwater. They have pronounced canine teeth. Life Cycle and Habitat of Sea Otters. It has short tail and webbed-feet with retractable front claws. *There are 13 species of otters. The Sea Otter has a small round face that is absolutely adorable. The sea otter is born an otter and grows just like we do. The sea otter is one of the smallest marine mammals, but one of the largest members of the family Mustelidae, a group that includes skunks and weasels among others. Sea otters use rocks to remove prey from their shells. Males can weigh up to 70 lbs. Sea otters are part of the weasel family. As a sexually dimorphic organism, male sea otters are larger in size than the females of this species. They have a body length between 55 and 130 cms (21.5 - 51 inches), a tail length between 13 and 33 cms (5 - 13 inches) and they weigh between 21 and 28 kgs (46 - 62 lbs). Most have sharp claws on their feet and all except the sea otter have long, muscular tails. 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