It sometimes is considered a subspecies of Lontra canadensis.The southern river otter is listed as endangered, due to illegal hunting, water pollution, and habitat loss Gestation is 6 months (2 months delayed implantation + 4 months pregnancy). Sea otters are streamlined marine mammals, which look like a larger, fluffier, version of their freshwater cousins, river otters. Sea otter pups are born with a buoyant fur that does not allow them to sink. Download for your device. 3. Predators and Prey of the Sea Otter The sea otter's diet includes about 40 marine species, including urchins, crabs, clams, abalones, mussels, and snails. Oct 24, 2018 - Explore Kristen Marie's board "Otter Facts", followed by 103 people on Pinterest. 5. For one of the smallest marine mammals on Earth (yet the largest member of the weasel family), the sea otter has racked up quite a few superlatives: 10. Southern sea otter (Enhydra lutris nereis) images and facts - this gallery boasts a stunning display of stock photos showing the unique character of the southern sea otter in countless different positions. Historically, southern sea otters were present in coastal marine habitats from northern California to Baja California in Mexico. They are usually seen in rocky marine habitats where there is a high abundance of kelp canopy and typically in water depths about 20 m. Kelp canopy is an important habitat component used for resting and foraging. There daily life usually consists of clams and mussels to eat and rock finding. A very small relocated population resides in Southern California at San Nicolas Island of the Channel Islands. Sea otters are one of the only mammals that are been known to use tools to obtain and eat their prey. They can have over 1,000,000 hairs per square inch on their bodies! Sea otters are usually dark brown, often with lighter guard h… The sea otter is covered in dense fur that consists of two layers. Most common prey for California sea otters are Rock and Dungeness crabs. Southern Sea Otter Facts Scientific Name: Enhydra lutris, or Enhydra lutris nereis Physical Characteristics: 4 feet long, approximately 65 pounds, males - 45 pounds, females Strong canine teeth for tearing food, flat molars for crushing External ears like a sea lion's with excellent hearing capability Keystone species are organisms that have large-scale community effects disproportionate to their abundance. Sea otter moms typically only give birth to 1 pup. Fun Facts About Sea Otters. It sometimes is considered a subspecies of Lontra canadensis. Sea otters are part of the weasel family. Mothers nurse their young for up to eight months. Under their arms, Sea otters have built in pockets. On an adult animal, there are an estimated 650,000 hairs per square inch. They have four legs to move easily on land, and a long tail to swim through the water. Sea otters are equally active both night and day. By RickWood | Updated: Dec. 5, 2015, 10:09 p.m. Loading... Slideshow Movie. Behavior. The sea otter spends most of its time in the water but, in some locations, comes ashore to sleep or rest. Food preferences vary among individuals. The population index exceeded 3,090 for the first time in 2016. Before the fur trade of the 18th and 19th centuries, sea otters ranged along the North Pacific Rim from Hokkaido, Japan to Baja California, Mexico. Images of them eating, swimming, and even interacting with humans can be found here. They have webbed feet, water-repellent fur to keep them dry and warm, and nostrils and ears that close in the water. Unlike other marine mammals, sea otters do not have a thick layer of blubber and rely upon their water-resistant fur for insulation. Hopefully not stinky skunks!!! 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. These marine mammals have a number of characteristics that make them perfectly suited for life at sea. Want to watch cute sea otters romp, wrestle and play every day of the year? Sea otters can spend their entire life in water. Sea otter pups. Sea Otters do not migrate due to their coat of fur. Paw-some. The southern sea otters are carnivores (which means they eat only meat). A quick glance at facts about California's southern sea otter population. What's cuter than two furry sea otters? Southern sea otter facts. Sea otters eat about 25% of their weight every day, and is arguably the number one cause in sea otter deaths, when they cannot forage enough food to feed themselves. Unlike northern sea otters found in Alaska, southern sea otters here in California don’t eat fish. 2. Large percentage of southern sea otter mortality is due to infectious diseases, many of which are known to have anthropogenic causes. 1. Like other members of this family, they have very thick fur. They eat 40 plus different types of species such as clams, urchins, and snails. A high number population of sea urchin can be reduce and reach its normal number of population because sea otter feeds on it. That’s because a male sea otter bites a female’s nose to hold onto her during mating. Southern Sea Otter Enhydra lutris nereis : Fun Facts • Sea otters do not have blubber to keep warm, instead they have very dense fur (up to one million hairs per square inch). Kelp forests provide numerous direct and indirect benefits, including habitat for hundreds of invertebrate and fish species, reductions in coastal erosion, and carbon storage that can moderate climate change. The current range extends along the California coast from Half Moon Bay in the north to Santa Barbara in the south, though individuals are occasionally seen outside these limits. A small population of sea otters lives at S… Is there a pupping season? OCEANWALKERS Sea Otters live in coastal waters & estuaries. 1. For southern sea otters to be considered for delisting under the Endangered Species Act, the population index would have to exceed 3,090 for three consecutive years, according to the Southern Sea Otter Recovery Plan. 1. Wild sea otters typically have a lifespan between 15 and 20 years. The sea otter's dark brown fur is the finest and densest of any animal fur. Cool Facts. Tune into our LIVE Sea Otter Cam for your daily dose of sea otter cuteness. Otters generally prefer to live in water, and have the capability to dive up to 330 feet in search for food. Sea otters are commonly spotted on WWF’s Alaska tours. Sea otters are commonly spotted on WWF’s Alaska tours. Sea otters also maintain a high level of internal heat production to compensate for their lack of blubber. Sea otters also have thick, brown fur that insulates them against the cold waters of the Pacific Ocean. Sea otters eat about 25% of their weight every day, and is arguably the number one cause in sea otter deaths, when they cannot forage enough food… Sea Otter Facts California’s southern sea otter has been listed as a threatened species under the Endangered Species Act since 1977. The southern river otter (Lontra provocax) is a species of otter that lives in Chile and Argentina.Although called a "river otter", it inhabits both marine and freshwater environments. Cool Facts. Sea otters have the thickest fur of any marine mammal, averaging 850,000 … Average length of an adult California sea otter is about 4 ft. A group of sea otters resting together is called a raft. Sea otter moms typically nurse and care for their pups for about 6 months before weaning them. Otters use tools like rocks and sometimes soda cans. 3. They also feast on critters of the ocean like sea urchins, crabs, squid, octopuses, and tiny or puny fish. Adult sea otters can eat 25% - 30% of their body weight in one day! Threats to population recovery include white sharks, pathogens & parasites, food limitation, coastal pollutants and oil spills. 5. Sea Otters live in the coastal waters of the Pacific Ocean in North American and Asia. Sea Otters spend most of their life at sea, but will come ashore in bad weather or to avoid predators. At the moment Powtoon presentations are unable to play on devices that don't support Flash. Deepest dive recorded is 264 feet. Otters are part of the Mustelidae family, which is a family of … Average weight of an adult female California sea otter is about 50 lbs. If sea otters migrate , it is due to the abundance of food in an area and kelp. Sea otters have a profound impact on the coastal habitats which is why they are rightly known as keystone species. The sea otter's dark brown fur is the finest and densest of any animal fur. Here are 5 fun & easy to remember facts about sea otters. Both mating and birth take place in the water, and males have harems of several females. Both northern and southern sea otters once inhabited the Oregon coast. US Fish and Wildlife Service Sea Otter Facts: Families Groups of sea otters are called ‘rafts’. Ventura, California 93003, Southern Sea Otter (Enhydra lutris nereis) 5-Year Review: Summary and Evaluation, Big Sur Monterey Sea Otter Study Draft Report, Letter to Deputy Assistant Secretary of the Navy Donald Schregardus FSEIS Comments, Final Supplemental EIS on the Translocation of Southern Sea Otters - Volume 1, Final Supplemental EIS on the Translocation of Southern Sea Otters - Volume 2, Final Recovery Plan for the Southern Sea Otter. They can use a rock to dislodge mollusks and urchins from the rocks where they are attached. The body condition of sea otters in areas of the range with low per-capita prey availability strongly influences their susceptibility to additional stressors. Have you ever seen an otter with a scarred or bloody nose? Sea otters naturally thrive in nearshore habitats. These stressors include biotoxins produced during harmful algal or cyanobacterial blooms, disease-causing pathogens such as the protozoal parasites Toxoplasma gondii and Sarcocystis neurona, and acanthocephalan parasites. Southern sea otter consumes many types of prey including sea urchins, snails, clams, abalone, mussels, crabs, scallops, fish, barnacles, octopus, worms, and squid, which it captures with its clawed paws, not its jaws. The Southern Sea Otter (Enhydra lutris nereis) also goes by the name California Sea Otter and has the distinction of being one the heaviest members of the weasel family, yet one of the smallest marine mammals. Southern sea otters can live to approximately 15 years for males and 16 years for females. Females typically give birth to a single pup, with care provided solely by the pup’s mother for the approximately 6 months until weaning. Hopefully not stinky skunks!!! If you have any questions regarding the southern sea otter, please contact: Lilian Carswell - Southern Sea Otter Recovery & Marine Conservation Coordinator, By mail: A lanugo is a very soft, downy hair that develops in humans as well as animals. Can otters use tools? Otters use tools like rocks and sometimes soda cans. There is one species of sea otter and three subspecies, the California or Southern sea otter is found off the central coast of California, the Northern sea otter is found in the waters off Alaska and Canada, and the common or Asian sea otter is found along coastlines of Japan and Russia. Most Sea Otter "raft" in kelp beds with other otters. In Russia, the count has come down to 15,000 and only a few dozens are left in Japan. Reduced range and population size, vulnerability to oil spills, and oil spill risk from coastal tanker traffic were the primary reasons for listing. The animals that they prey on devour kelp forests. From feeding habits to ecosystem maintenance, sea otters are more than meets the eye. Both are named after characters in John Steinbeck novels. iStock Once thought to be gone from the area completely, southern sea otters—known as California sea otters—have been making a … After hunting on the seafloor, sea otters return to the surface to eat. A sea otter relies on its fur to keep warm because it doesn't have an insulating layer of blubber as other marine mammals do. For southern sea otters to be considered for removal from threatened species listing, the population index would have to exceed 3,090 for three consecutive years, according to the threshold established under the Southern Sea Otter Recovery Plan by the U.S. Fact2: Weighing between 30 and 100 pounds, the sea otter is the world’s smallest species of marine mammal. Sea Otter Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. Sea otters use rocks to remove prey from their shells. Learn more about these cute and charismatic critters. Mating and breeding does not take place in the Sea Otter’s life until later on. Adult males average 65 lbs. Reduced range and population size, vulnerability to oil spills, and oil spill risk from coastal tanker traffic were the primary reasons for listing. Sea otters are related to skunks and weasels. On an adult animal, there are an estimated 650,000 hairs per square inch. Fun Facts . Depending on factors such as habitat, sex, reproductive status, and per-capita prey availability, obtaining this quantity of food requires that sea otters spend 20-50 percent of the day foraging. Although called a "river otter", it inhabits both marine and freshwater environments. Nope. Southern sea otters wallpaper. Sea otters have no blubber so they constantly groom themselves to maintain the insulating & water repellant properties of their fur. The ultimate goal of southern sea otter recovery is to reestablish ecological relationships in the ecosystems where sea otters and other nearshore species coevolved. For one of the smallest marine mammals on Earth (yet the largest member of the weasel family), the sea otter has racked up quite a few superlatives: 10. The animals that they prey on devour kelp forests. Mating and pupping occur throughout the year, but on average across the range, a peak period of pupping occurs from October to January, with a secondary peak in March and April. Southern sea otter #530 with her male pup. See more ideas about otter love, otters, sea otter. Sea otters eat sea urchins & other invertebrates that graze on giant kelp. A sea otter relies on its fur to keep warm because it doesn't have an insulating layer of blubber as other marine mammals do. Otters have some interesting relatives. Under state law, southern sea otters are "fully protected" mammals. southern sea otter 88 lbs). Sea otters do not migrate and hardly ever travel far unless they are in search for food. The southern sea otter measures up to 4 feet (1.2 m) in length; females weigh up to 50 pounds (23 kg) and males up to 70 pounds (32 kg). The Northern Sea Otter is found in Washington, Canad a, and Alaska. No sea otters, no kelp forests. Two furry sea otters — holding paws. Sea otters most closely resembling today’s southern sea otters occupied the southernmost portion of that range—from at least as far north as Oregon to the species’ southern limit at Punta Abreojos, Baja California. They are mostly found in temperate or cold coastal waters with plentiful forests of giant kelp beds. The southern sea otter, one of 13 different species of river and sea otters worldwide, ranges from Año Nuevo, north of Santa Cruz, to Purisima Point, north of Point Conception. The sea otter can live its entire life without leaving the water. Not all otters use tools, but sea otters use them all the time. Southern sea otters inhabit shallow nearshore coastal ecosystems within 1-2 km from shore. Usually, a single baby (called a pup) is produced following 4 to 5 months of pregnancy. The northern sea otter (Enhyrda lutris kenyoni), which lives from the Aleutian Islands off Alaska, down to Washington state, and The southern sea otter (Enhyrda lutris nereis), which lives in southern California. Sea otters are unique in the otter family as the only species to give birth in the water. As a consequence of their threatened status, southern sea otters are also recognized as depleted under the Marine Mammal Protection Act. There is one species of sea otter and three subspecies, the California or Southern sea otter is found off the central coast of California, the Northern sea otter is found in the waters off Alaska and Canada, and the common or Asian sea otter is found along coastlines of Japan and Russia. Northern sea otters are larger, up to 70 pounds (32 kg) for females and 100 pounds (45 kg) for males. Sea otters are known to wrap their pups and themselves in kelp to keep from drifting out to sea. Shallow water no more than 100 feet deep is the otter’s preferred habitat, because it means less time spent diving for food. Average adult sea otter: • Length: approximately 4-4.5 feet • Weight: 45 lbs (females); 65 lbs (males; max. 4. 2. _abc cc embed * Powtoon is not liable for any 3rd party content used. California Sea Otters live among the protected shallow coastal waters between Half Moon Bay and Santa Barbara with a small colony on San Nicolas Island. Sign up for free. Two or more otter species occupying the same geographical area usually have different food habits. Males can weigh up to 70 lbs. Unlike most other marine mammals, they have little subcutaneous fat, relying instead on their clean, dense, water resistant fur for insulation against the cold. In fact, at 850,000 to one million hairs per square inch, they have the thickest fur of any mammal. A quick glance at facts about California's southern sea otter population.-- Created using PowToon -- Free sign up at http://www.powtoon.com/ -- Create animated… Range expansion is key to southern sea otter recovery and to the restoration of ecosystems in which sea otters were once the keystone species. • To maintain its body temperature, the sea otter eats 25% to 35% of its body weight in single day. Sea otters are quite large, weighing up to 100 pounds (45 kg) and reaching lengths of nearly 5 feet (1.5 m). Fish and Wildlife Service. There is, additionally, a small colony near San Nicolas Island off Santa Barbara. Ventura, CA 93003, Southern Sea Otter (Enhydra lutris nereis) 5-Year Review: Summary and Evaluation 3.31mb PDF, Final Incidental Harassment Authorization for Waterfront Repairs at U.S. Coast Guard Station Monterey, Request for Incidental Harassment Authorization for Waterfront Repairs at U.S. Coast Guard Station Monterey, Proposed Incidental Harassment Authorization, Final Incidental Harassment Authorization, Marine Mammals; Incidental Take During Specified Activities; Proposed Incidental Harassment Authorization, Incidental Harassment Authorization Request and Monitoring Plan, Comments Received on Proposed Incidental Harassment Authorization, Big Sur Monterey Sea Otter Study Draft Report PDF 8.5mb, Featured Story - Slowly Swimming Towards Recovery, California's Sea Otter Numbers Holding Steady, Termination of the Southern Sea Otter Translocation Program; Final Rule, Summary of comments received on final SEIS and Proposed Rule, Letter to Deputy Assistant Secretary of the Navy Donald Schregardus FSEIS Comments [871 kb], Final Supplemental EIS on the Translocation of Southern Sea Otters - Volume 1 [5.59mb], Final Supplemental EIS on the Translocation of Southern Sea Otters - Volume 2 [18.74mb], Final Recovery Plan for the Southern Sea Otter [1.8mb)], Ventura Fish and Wildlife Office A much larger population exists in Alaska (more than 70,000 individuals), and a sizeable population (estimated at more than 25,000 sea otters) exists in Russia. A sea otter's diet consists mainly of slow-moving fishes and marine invertebrates including crabs, sea urchins, abalones, clams, mussels, and snails. Currently the southern sea otter population is estimated at just above 3,000 animals. Description. The Southern Sea Otter & Southwest Stock of Northern Sea Otters in Alaska are both listed as “threatened” under the Endangered Species Act. 3. The Southern sea otter is native to the coast of California. Sea Otters give birth throughout the year, there is three factors that may effect when the female gives birth those are: the weather, amount of food available, and the location. Sea otters are related to skunks and weasels. Sea otter pup fur is known as a lanugo. Average dive duration for California sea otters is about 60 seconds. Other threats to southern sea otters include entrapment or entanglement in fishing gear, oil spills, and climate change. Southern sea otters are among the smallest of marine mammals, with adult females and males averaging 46 and 64 pounds, respectively. Sea otters play a vital role in the health and stability of the nearshore marine ecosystem as a keystone species 2493 Portola Road, Suite B Their fur actually consists of two layers, an undercoat and longer guard hairs. It must eat 20% to 25% of its body weight every day to maintain normal body temperature, so it will spend much of the day foraging. Newborn pups cannot sink nor can they dive. With few exceptions, their prey consist of slow moving benthic invertebrates and shellfish. Because of the activity in the sea will never ends because many people rely their life on it … Shallow water no more than 100 feet deep is the otter’s preferred habitat, because it means less time spent diving for food. Interesting Facts About the Sea Otter. This range decreased significantly during the fur trade during the 18th and 19th centuries, with excessive hunting nearly driving the species into extinction by the early 1900s. (1.8-2.3 kg). That’s the same as an average teenager eating 120 hamburgers. Otters do not have blubber, instead air is trapped within their fur to keep them warm. Their teeth are strong enough to crunch open a clam shell or bite through a sea urchin's spines. 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 you come across a sea otter you think is sick, injured or abandoned, please give it space and call The Marine Mammal Center’s stranding hotline at (415) 289-7325. There are approximately 3,200 along the central California coast today, ranging from San Mateo County south to Santa Barbara County and San Nicolas Island. California’s southern sea otter has been listed as a threatened species under the Endangered Species Act since 1977. Today, southern sea otters live along the central coast of California; northern sea otters live along the coasts of Washington, Canada, and Alaska. The southern sea otter (Enhyrda lutris nereis), which lives in southern California. A newborn southern sea otter pup is a buff color, 22 to 24 inches (55 – 60 cm) in length and 4 to 5 lbs. Before the fur trade of the 18th and 19th centuries, sea otters ranged along the North Pacific Rim from Hokkaido, Japan to Baja California, Mexico. Sea Otters sporadically go onto shore to rest and sometimes in the winter go on sandy, cobble, snow covered beaches, small icebergs or when population density is high. They typically … Sea otters play a vital role in the health and stability of the nearshore marine ecosystem as a keystone species. On average, an adult male California sea otter consumes over 4,000 calories daily. Humans have 100,000 pieces in total on their head, while otters have up to one million hairs per square inch. The existence of sea otter is helping the ecosystem to be balance. The Furriest of Fur Coats – Sea otters have the densest fur of any animal. An otter must consume 25% of its bodyweight in prey each day just to stay alive (for a 75 lb kid, that’s 75 1/4 lb burgers!). Although they hunt on the sea floor, they return to the surface to eat. Sea otters are members of the weasel or mustelid family. Fun Facts for Kids. Because of its smart brain, sea otter uses its hand and take a rock to dislodge the invertebrate animal from its shell before the sea otter eats it. Sea otters naturally thrive in nearshore habitats. The primary factors limiting population growth and range expansion of southern sea otters in recent years have been density-dependent resource limitation (where the number of sea otters is in equilibrium with available prey) in much of the central portion of the mainland range and white shark attacks in the northern and southern portions of the mainland range. Sea Otter Facts Sea otters are the smallest marine mammal. When the mothers dive for food, they tie their babies into kelp to ensure that they will not float away. The Southern Sea Otter is found in California. (20 kg) in weight. In Thailand, the ranges of at least three otter species overlap. These forests are one of the most dynamic and richest marine ecosystems in the world, possessing high density of biomass and greater productivity. A quick glance at facts about California's southern sea otter population.-- Created using PowToon -- Free sign up at http://www.powtoon.com/ -- Create animated… How Do Sea Otters Eat? Southern sea otters (Enhydra lutris nereis), also known as California sea otters, were listed as threatened in 1977 under the Endangered Species Act. The Sea Otter is a marine mammal that has 3 subspecies: Southern Sea Otter, Northern Sea Otter, and Russian Sea Otter. Sea otters reach maximum lengths of 4.9 feet (1.5 m) and weights of 100 pounds (45 kg). Sea otters have built in pouches of loose skin under their forearms to stash extra prey when diving. (29.5 kg) and adult females average 45 lbs. Sea otters obtain their food by diving. Sea otters have the densest fur of all mammals with up to 1 million hairs per square inch. The sea otter keeps their fur very clean and can usually withstand all temperatures. Sea otters eat many kinds of invertebrates, including sea urchins, abalone, clams, crabs, snails, sea stars, squid & octopuses. Fun Facts. Contamination of their fur by oily substances can destroy its insulating properties and lead to hypothermia and death. 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