*Sea Otters unlike other otters capture food with their flexible fingers and grab food with their hands. All sea otters belong to the genus Enhydra. When swimming, look for a body with sleek, dark fur instead of blubber. Population characteristics in the general environment and population genetics and dynamics of a population at-risk. Most have sharp claws on their feet except for the sea otter … 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). Their most striking anatomical features are the powerful webbed feet used to swim and their seal-like abilities to hold their breath underwater. However, this high metabolism requires them to eat a lot of food. They are both fissipeds, “split-footed” members of the order Carnivora, and are more closely related to terrestrial carnivores, like … The ocean can be a harsh environment, but the sea otter has developed adaptations to help it survive. A sea otter pup’s fur traps so much air that they cannot dive underwater. Mating Behavior. Asian small-clawed otter is found in freshwater wetlands and mangrove swamps, and at higher elevations, it is associated with fast-flowing, rocky streams. The marine otter is really a freshwater otter that has learned to occupy marine environments in South America. 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. Fish and Wildlife Service. Sea Otters have two types of hair. *Otters are believed to have been on earth for 30 million years *Otters live on every continent except Antarctica and Australia. They have pronounced canine teeth. 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). The sea otter spends most of its time in the water but, in some locations, comes ashore to sleep or rest. Sea Otter Facts for Kids. As a sexually dimorphic organism, male sea otters are larger in size than the females of this species. This keeps the cold water away from their skin. The sea otter has a lot of insulating fur to keep warm. Sea Otter’s tails are smaller than other otters to reduce surface area. It has short tail and webbed-feet with retractable front claws. At about 4 or 5 years old, female sea otters typically have their first pup after a four-to-five-month-long pregnancy. 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. This helps them survive because they can not only see then it will float on their backs with their feet out of water. 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. The Asian small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest. Sea otters have a narrow skull with a wide rostrum and long nasal bones. 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. Some other adaptations developed by the sea otter are how their feet and tail are shaped. *The sea otter is the smallest marine mammal. 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. Otters do not have blubber, instead air is trapped within their fur to keep them warm. Physical Characteristics. A sea otter floating on its back with its feet out of the water. They have roughly 850,000 – 1,000,000 hairs per square inch on their body. Distribution. 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. Sea Otters and Polar Bears: Marine Fissipeds Two Alaska marine mammals are neither pinniped nor cetacean: the polar bear and sea otter. 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! Some construct waterslides, for example. Adults grow to be about 4.5 feet. Sea Otters. 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. Sea otters are part of the weasel family. Sea otters use rocks to remove prey from their shells. Their facial vibrissae (whiskers) may reach 10.2 cm (4 in) in length but are usually worn down to about 5 cm (2 in). A sea otter rests on its back with its head, arms and flippers in the air, and looks like two lumps close together. 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. 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). Sea otter teeth are adapted for crushing hard-shelled invertebrates such as clams, urchins, and crabs. These carnivores eat a variety of seafood, such as fish, frogs, crayfish, crabs and mollusks. Life Cycle and Habitat of Sea Otters. Otters have long, slim bodies and relatively short limbs. The sea otter is born an otter and grows just like we do. *There are 13 species of otters. The sea otter can usually be found in kelp beds, and looks very much like lumps of kelp. The fur on the surface of an otter's coat is waterproof. A male river otter appears to approach females indiscriminately until it finds one that is receptive. 10. 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. The Sea Otter has a small round face that is absolutely adorable. When sea otter populations are healthy, urchin populations are kept in check, and kelp is abundant. Length and Weight: Adult male sea otters weigh 70 - 90 pounds (32 - 41 kg) with some individuals reaching 100 pounds (45 kg). Like their littler stream otter cousins, the sea otter can walk and live on the land yet it isn 't remarkable for sea otters to spend their lives solely in the water. A male approaches a female and attempts to embrace her with his forelegs or … 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. A sea otter settles in for a nap in a patch of kelp. Otters are born otters but grow and develop into bigger otters. The sea otter fits all of these characteristics and also is active year round like members in this family. 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). The otter is very playful animal and may do activities just for fun. The sea otter is the only member of this genus. Females can give birth any time of the year, but most in California have their pup between January and March. Photo by Lilian Carswell, U.S. Otters do not have blubber like other marine mammals, such as whales. They have webbed feet, water-repellent fur to keep them dry and warm, and nostrils and ears that close in the water. The coast of the Pacific, especially to the east and north, is home to the magnificent sea otter. 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. They can be up to 100 pounds so they are the heaviest of all species. The sea otter has long whiskers and water-repellent coat that insulates the animal from freezing water. Sea otters come from the northern part of the Pacific Ocean, where it is very cold. *Sea Otters love to play around and even play games such as tag. 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. Newborn sea otters weigh 3 to 5 pounds. Sea otters breed throughout the year. Sea otters can spend their entire life in water. Its ears and nostrils are closed down in water. Wild sea otters typically have a lifespan between 15 and 20 years. Sea otter life cycle: The otter does not go through stages to become an otter like some animals, for example a frog. Just about everyone that seems them has a comment in that regard to make. One which forms a waterproof outer layer and the under fur is very dense to keep the animal insulated. The otter is one of the few mammals that use tools. Most have sharp claws on their feet and all except the sea otter have long, muscular tails. In order to maintain its body weight, a sea otter must eat 25% of its body weight per day. Sharks and killer whales eat sea otters on occasion. The life cycle and habitat of the sea otter … Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. Main Characteristics Sea Otters are a large species of otter. Sea otters are mammals that spend most of their lives in the ocean. Males may breed with more than one female during the year. This marine mammal can live on land with the same ease as it can live in the water without surfacing for days. This shallow-water otter is mainly diurnal, commonly observed sliding on mud banks, foraging in the … Males can weigh up to 70 lbs. The sea otter’s feet are webbed which are good for picking up speed in the water. Instead, they have an extremely thick coat of fur to keep warm - no animal has thicker fur. 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). Average weight of an adult female California sea otter is about 50 lbs. PHYSICAL CHARACTERISTICS. If a sea otter is too cold good eyesight. 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. 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