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sea otter physical characteristics

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! 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. In order to maintain its body weight, a sea otter must eat 25% of its body weight per day. 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. Sea Otter Facts for Kids. A sea otter settles in for a nap in a patch of kelp. This marine mammal can live on land with the same ease as it can live in the water without surfacing for days. Sea otters come from the northern part of the Pacific Ocean, where it is very cold. Photo by Lilian Carswell, U.S. 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. 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 breed throughout the year. *Otters are believed to have been on earth for 30 million years *Otters live on every continent except Antarctica and Australia. Life Cycle and Habitat of Sea Otters. *There are 13 species of otters. When sea otter populations are healthy, urchin populations are kept in check, and kelp is abundant. As top predators, sea otters are critical to maintaining the balance of nearshore ecosystems, such as kelp forests, embayments and estuaries. Main Characteristics Sea Otters are a large species of otter. Newborn sea otters weigh 3 to 5 pounds. Physical Characteristics. Sea Otter’s tails are smaller than other otters to reduce surface area. This helps them survive because they can not only see then it will float on their backs with their feet out of water. 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). A sea otter floating on its back with its feet out of the 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. The sea otter is the only member of this genus. 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 just as full of interesting characteristics as they are full of cuteness! They are both fissipeds, “split-footed” members of the order Carnivora, and are more closely related to terrestrial carnivores, like … 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. The life cycle and habitat of the sea otter … Length and Weight: Adult male sea otters weigh 70 - 90 pounds (32 - 41 kg) with some individuals reaching 100 pounds (45 kg). A male river otter appears to approach females indiscriminately until it finds one that is receptive. Fish and Wildlife Service. Otters do not have blubber, instead air is trapped within their fur to keep them warm. 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. 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. Sea otters rely on their high metabolism and their plush coat to keep warm. They have webbed feet, water-repellent fur to keep them dry and warm, and nostrils and ears that close in the water. The sea otter spends most of its time in the water but, in some locations, comes ashore to sleep or rest. Sea otters can spend their entire life in water. 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. As a sexually dimorphic organism, male sea otters are larger in size than the females of this species. 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. All sea otters belong to the genus Enhydra. They can be up to 100 pounds so they are the heaviest of all species. Otters do not have blubber like other marine mammals, such as whales. Sea otters have a narrow skull with a wide rostrum and long nasal bones. Wild sea otters typically have a lifespan between 15 and 20 years. A sea otter pup’s fur traps so much air that they cannot dive underwater. The sea otter’s feet are webbed which are good for picking up speed in the water. Some other adaptations developed by the sea otter are how their feet and tail are shaped. The marine otter is really a freshwater otter that has learned to occupy marine environments in South America. 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). Average weight of an adult female California sea otter is about 50 lbs. 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. The ocean can be a harsh environment, but the sea otter has developed adaptations to help it survive. These carnivores eat a variety of seafood, such as fish, frogs, crayfish, crabs and mollusks. Sea Otters. Fur: A sea otter's fur is the thickest and finest of any mammal. Sea otters are mammals that spend most of their lives in the ocean. Its ears and nostrils are closed down in water. Sea otter life cycle: The otter does not go through stages to become an otter like some animals, for example a frog. 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). Distribution. Sea Otters and Polar Bears: Marine Fissipeds Two Alaska marine mammals are neither pinniped nor cetacean: the polar bear and sea otter. When swimming, look for a body with sleek, dark fur instead of blubber. Males may breed with more than one female during the year. Sea otters are part of the weasel family. *The sea otter is the smallest marine mammal. 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. Some construct waterslides, for example. They have roughly 850,000 – 1,000,000 hairs per square inch on their body. Males can weigh up to 70 lbs. One which forms a waterproof outer layer and the under fur is very dense to keep the animal insulated. Instead, they have an extremely thick coat of fur to keep warm - no animal has thicker fur. At about 4 or 5 years old, female sea otters typically have their first pup after a four-to-five-month-long pregnancy. Sharks and killer whales eat sea otters on occasion. This shallow-water otter is mainly diurnal, commonly observed sliding on mud banks, foraging in the … The Asian small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest. Females can give birth any time of the year, but most in California have their pup between January and March. Sea otter teeth are adapted for crushing hard-shelled invertebrates such as clams, urchins, and crabs. The fur on the surface of an otter's coat is waterproof. However, this high metabolism requires them to eat a lot of food. Mating Behavior. The sea otter has long whiskers and water-repellent coat that insulates the animal from freezing water. They have pronounced canine teeth. Their most striking anatomical features are the powerful webbed feet used to swim and their seal-like abilities to hold their breath underwater. Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. Adults grow to be about 4.5 feet. Most have sharp claws on their feet and all except the sea otter have long, muscular tails. It has short tail and webbed-feet with retractable front claws. The Sea Otter has a small round face that is absolutely adorable. The sea otter has a lot of insulating fur to keep warm. The coast of the Pacific, especially to the east and north, is home to the magnificent sea otter. Sea otters use rocks to remove prey from their shells. 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. This keeps the cold water away from their skin. A male approaches a female and attempts to embrace her with his forelegs or … Otters are born otters but grow and develop into bigger otters. *Sea Otters love to play around and even play games such as tag. Most have sharp claws on their feet except for the sea otter … The sea otter is born an otter and grows just like we do. The sea otter fits all of these characteristics and also is active year round like members in this family. The otter is one of the few mammals that use tools. The otter is very playful animal and may do activities just for fun. 10. 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 have two types of hair. 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). Population characteristics in the general environment and population genetics and dynamics of a population at-risk. Adult female sea otters weigh 30 - 60 pounds (14 - 27 kg). Otters have long, slim bodies and relatively short limbs. *Sea Otters unlike other otters capture food with their flexible fingers and grab food with their hands. 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