They seem to do this for fun, but it is also a way to conserve energy as they are moving through their territory. An otter's … These aquatic otters do more than sleep while floating on their backs. They also stay very close to the shore of the water so that they can avoid common water predators as well. North American otters are capable to travel at a speed of 42 km (26 miles) per day. Rolling places are bare patches of ground where otters roll and groom. A third group prefers to forage around in shallow waters for snails. There may be fewer than 1,000 marine otters left throughout their range. River otters are nocturnal and they come out in at night in the summer and spring seasons. Sea Otters do not migrate due to their coat of fur. They are both fissipeds, “split-footed” members of the order Carnivora, and are more closely related to terrestrial carnivores, like … The sea otter keeps their fur very clean and can usually withstand all temperatures. Sea otters can mate throughout the year. In the case of a shortage of food resources, the otter can migrate over long distances. Historically, sea otters occupied a contiguous range from northern Japan, across the North Pacific, and down to Baja California, Mexico. River otters (genus Lutra) inhabit all types of inland waterways, as well as estuaries and marine coves. The sea otter: a keystone species. Th… Find quick information and fun facts with these 1-page easy resources about animals from A to Z. They take a nap at mid-day during really warm weather. Many otter species undergo seasonal movements, but no extensive migrations. Subspecies. The males are the ones that seek out the females when they are ready to mate. You will find the Otter living in areas close to water. Neotropical otters range from Uruguay north to Central America and Mexico. These animals are most active from 10-11 am and from 3-5 pm. Sea otters are the smallest marine mammals. However, that isn’t true due to the definition of migration that is used by experts. Life History Otters are superb swimmers and divers and can remain underwater for several minutes. Giant otters (genus Pteronura) are found mainly in slow-moving rivers and creeks within forests, swamps, and marshes. Their small heads widen to long necks and shoulders, and they have flattened, well-muscled tails. California sea otters are found off the coast of central California; between Half Moon Bay and Pt. Seagulls choose to migrate in winter when the weather is harsher or if their local resources are diminished. Historically, skunks have also been included in Mustelidae, but genetic analyses suggest that they belong to a separate family of their own We then migrate back to freshwater, to the same river where we were born, to spawn a new generation of fish. 3. Since the 1990s, the southwestern stock of Alaskan sea otters has experienced a dramatic (up to 70% population) decline, most likely due to increased predation by killer whales. River otter dens are along the water in abandoned burrows or empty hollows. The River Otter is a long, slender "weasel" with glossy, dark brown fur. They enjoy the freshwater but they are also known to live in the saltwater of the oceans as well. Alaska sea otters inhabit the coast of Alaska, including the Aleutian Islands, and south along British Columbia and Washington. There are fascinating regular and seasonal events, such as bat walks with forest rangers or identifying creatures in rock pools, plus incredible festivals. They are often seen with a clam or mussel and a rock that has been deftly snared from the ocean floor. Most sea otters call Alaska home. Constantly on the move, riv… They were hunted nearly to extinction, but conservation measures have allowed some populations to recover. It is hard to get an exact number of Otters out there though due to them hiding on land and spending so much time in the water. Otters have been photographed engaging in human-like behaviors including holding hands. What do otters eat? The otter is one of the most beloved semi-aquatic mammals with its playful gestures and cute appearance. (And if dinner is a crab or clam, the otter may use a rock to crack open its prey.) Mating and breeding does not take place in the Sea Otter’s life until later on. Go behind-the-scenes to see how our trainers care for and interact with these amazing animals, and get up close with some finned, flippered, or feathered friends. Non-migratory but move in response to prey abundance. Most otters have widespread distributions, but relatively sparse populations. 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. Otters also have particularly stinky poop, which even has its own name: spraints. And in temperate climates, like Florida, bats may be able to stay year round. photo Helen Bateman. If sea otters migrate , it is due to the abundance of food in an area and kelp. North American otters are capable to travel at a speed of 42 km (26 miles) per day. Otters are very intelligent creatures, being able to create and use tools, as do beavers, monkeys, and apes. MIGRATION: Sea otters do not migrate long distances. However, it isn’t uncommon for them to travel great distances on land or through the water. However, not many species play games. This South American otter is the world's largest, at some 6 feet long. Some assume that Otters migrate due to these types of movements. Sea otters feed on sea urchins, crabs and other shellfish, cracking them open with stones before eating them. You’ll find that even among migratory seagulls, certain individuals may not travel with the group. With the exception of sea otters, all otters spend a great deal of time on land, often traveling considerable distances between waterways. Because they are so well insulated, sea otters do not require a layer of blubber for survival like other marine mammals do. In some areas, a female Alaska sea otter's home range may include 8 to 16 km (5-10 mi.) Are you wild about whales? Most otter species have at least one permanent burrow (den) by water. Active burrowers and hunters year-round, otters are more active at night during warmer months, and more at night during the winter season. The gestation lasts for four to five months. Download free teacher guides to keep students learning in a hands-on way: includes vocabulary, classroom activities, goals and objectives. Two Alaska marine mammals are neither pinniped nor cetacean: the polar bear and sea otter. They are well adapted to their riverine habitats, with webbed feet to help them swim and the ability to close their eyes and ears underwater. Where do otters live? Thanks to the design of the layers of hair on their bodies the skin is actually kept warm during this process. Conception. Not all of the habitats where Otters live though are a good environment for them. Learn more about the Seasonal Camp Counselor program at SeaWorld. Otters have their cubs in underground burrows, known as 'holts'. They don’t tend to be territorial though when they are in the water. They become much more nocturnal in the spring, summer, and fall seasons, and more diurnal during winter. This forms part of the propulsion unit when swimming fast underwater. Factors t… Sadly, it is also their fur that has led to humans destroying them. Most species of seagulls are migratory, and most are known to migrate in winter. Hear animal sounds for animals like anteaters, dolphins, frogs and more. An otter's high metabolic rate - important for generating body heat - requires a substantial amount food. They tend to stick to the shallow waters so that they can easily reach land when they are ready to. Giant otters in the wild can eat caiman, piranhas, and anacondas. The marine otter is really a freshwater otter that has learned to occupy marine environments in South America. ... but it remains a major nursery for young Dungeness crabs that migrate out to the ocean, where they are harvested as … How do otters cope in winter? Otters are well suited to a life on the water as they have webbed feet, dense fur to keep them warm, and can close their ears and nose when underwater. The people of SeaWorld Parks & Entertainment are truly and deeply driven to inspire on behalf of, to celebrate and connect with, and to care for the natural world we all share. Come face-to-face with the wonders of wildlife through species-focused episodes and related classroom activities. Answer this question. 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