They typically swim belly-up on their backs, propelling themselves through the water using their webbe… Well, we're looking for good writers who want to spread the word. Sea otters spend most of their time floating on their backs at the surface grooming, eating, resting, and diving for food on the seafloor. On occasion, twins are born, yet because females provide all of the parental care and the mother otter can't care for both twins, one is abandoned. They choose areas that have rocky substrates. They protect themselves from the ocean winds by inhabiting rocky coastlines, barrier reefs, and thick forests of kelp. You also have the option to opt-out of these cookies. In the open, natural habitat, sea otters live up to a good 23 years, while in captivity, they survive up to 20 years. This marine mammal can live on land with the same ease as it can live in the water without surfacing for days. POPULATION TREND: Sea otters once numbered several hundred thousand, yet their populations plummeted due to the surging fur trade of the 18th and 19th centuries. Currently, the species has stable populations in Alaska, along the Russian east coast, Washington, British Columbia, and California. While grooming, otters force air bubbles down next to their skin. Sea otters can breed twice a year. They start eating solid foods shortly after birth, but are dependent on their mothers for up to a year. We've created informative articles that you can come back to again and again when you have questions or want to learn more! Maximum births occur between May and June each year, among the northern populations. The sea otter is born an otter and grows just like we do. They have four legs to move easily on land, and a long tail to swim through the water. They prefer the shoreline to the deeper waters. In Russia, sea otters thrive along the Kuril, Kamchatka, and Commander Islands. These cookies will be stored in your browser only with your consent. Sea otters have a high metabolism rate and eat 25 percent of their body weight every day — an adult will consume 5,000 to 6,000 pounds of food annually. Typically, there is only one pup per pregnancy. There have been instances when the mother abandons a pup while dealing with a scarcity of food. Life Cycle - Sea Otters. Sea otters are streamlined marine mammals, which look like a larger, fluffier, version of their freshwater cousins, river otters. Otters carry large stones between their forepaws on these dives, used to dislodge prey and to break open shells. They feed extensively on marine invertebrates like sea urchins, bivalves, mussels, clams, abalone, mollusks, snails, and crustaceans. Life Cycle. A unique feature of the sea otter is that the females can actually delay implantation, which is then followed by four or five months of pregnancy. This AnimalSake article…. Mating and breeding do not occur in the sea. They mate in water and the males are known to be quite rough on the females. At one time, otter populations inhabited a contiguous range from Japan around the Pacific coastline down to Baja California. They differ in foraging methods and food preference between populations. However, it has been observed that in the case of twins, only one pup survives. These bubbles act as insulation and provide buoyancy. They sometimes bite the female’s muzzle, scarring the nose, and have even been observed to dunk the female under water, not allowing her to surface for a long time. Otters are born otters but grow and develop into bigger otters. The bonding between a pair, while the female is in estrus, is temporary. They also consume limpet crabs, pismo clams, and giant octopuses. They have also been sighted in Japan and Mexico. Most of a sea otter’s life is spent at sea, though they do occasionally haul out on land, where they appear clumsy and walk with a rather awkward gait. Necessary cookies are absolutely essential for the website to function properly. From being an infant to being an adult, sea otters have an intense life cycle. The gestation period can be anywhere between four and twelve months. Some construct waterslides, for example. Sea otter males mate with multiple female partners. They also eat octopuses, squid, and fish. These beautiful creatures display an interesting social behavior that includes the following. They thrive in warm, coastal waters and usually remain within a kilometer from the shore. Then he flips her onto her back, so they can mate. FEEDING: Underneath each of the sea otter's powerful front paws is a pouch to store food collected during foraging dives. Most females produce a single pup. Mustelidae. Mating season is all-year round. Weighing up to five pounds, pups are born in the water with their eyes open. Would you like to write for us? Get in touch with us and we'll talk... Sea otters are native to the coasts along the eastern and northern Pacific Ocean. They sometimes bite the female’s muzzle, scarring the nose, and have even been observed to dunk the female under water, not allowing her to surface for a long time. Fishing nets, which otters become caught in, are another major cause of death. Among the populations in the south, the peak period is between January and March. Their diet includes clams, crabs, sea urchins, starfish, abalone, and 40 different marine invertebrates. Most otters mate in pairs but sea otters follow a … These cookies do not store any personal information. Southern sea otters rebounded until the 1970s, when populations again began to dwindle. We also use third-party cookies that help us analyze and understand how you use this website. LIFE CYCLE: Male sea otters live between 10 and 15 years, while females live slightly longer, from 15 to 20 years. 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