Sea otters live in large colonies, but river otters tend to stay in small family groups. You have to get very close to see the tiny holes on the sides of a seal’s sleek … This traps a layer of air, and keeps them dry and warm under water. Objectives. A detailed comparison between otters and seals: Animalia – Chordata – Vertebrata – Mammalia – Carnivora – Mustelidae – Lutrinae, Animalia – Chordata – Vertebrata – Mammalia – Carnivora – Caniformia – Pinnipedia, 13 living species of semiaquatic or aquatic mammals. The fur coat includes outer guard hairs that repel water and a layer of insulating underfur. Both otters and seals also differ in many physical characteristics. Whether you’re sailing the coast of the Pacific Northwest or hiking the riverbanks of West Virginia, you now have the tools to tell the difference between river otters and sea otters. Do seals have ears? Once in the water, the sea otter gripped the harbor seal’s head with its forepaws and repeatedly bit it on the nose, causing a deep laceration. Unlike many marine mammals such as seals and sea lions, sea otters have no insulating fat layer on their body to keep them warm in the water, therefore their amazingly dense fur serves to insulate them and keep them from becoming hypothermic. The Monterey Bay National Marine Sanctuary is one of the best places in the world to see seals, sea lions and sea otters. Sea Lions and Sea Otters ! Adult sea otters may eat as much as 9 kg (20 lbs.) The Sea Lon is an extended Pinniped with some new organs grown outwards. • Identify the body parts and behaviors of a seal. Seals have a gestation period of 12 months, and otters have a gestation period of about 60 to 86 days. Sea otters are smaller than seals and sea lions, have stubby front paws and rest by floating on their back. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. Otter and beaver are completely different animals, but with much similar looking appearances. Otters have a long, slim, and glossy body like that of seals, whereas Beavers have a rounded body like other rodents. They are the smallest mammals in the sea. First, sea otters are two to three times the size of river otters — and, when at the water’s surface, they float on their backs, while river otters … Harbour Seals are members of the Phocidae family and are one of the true seal species found off Victoriaʼs waters. Harbour Seals. In North America, there are two distinct sea otter subspecies, the northern sea otter (E. l. kenyoni) and the southern sea otter (E. l. nereis).Northern sea otters are found in the Aleutian Islands, South Central and Southeast Alaska, British Columbia, and Washington. They also have webbed paws with sharp claws, unlike the fins on seals. Sometimes, it is possible to commit mistakes by referring these two different species as one, due to the similarities in their appearance. Many species were nearly hunted to extinction. 3.Seals love fish which is one of their favorite foods. Students find out by comparing sea otter and seal characteristics using a Venn diagram. Females are much smaller. In fact, at 850,000 to one million hairs per square inch, they have the thickest fur of any mammal. Great chart. Unlike the otters, seals tend to spend a bit more time on land. There is a theory that says that seals have evolved from land-based ancestors such as bears or otters. Aside from their belonging to different taxonomical families (Sea otters belong to Mustelidae, and seals belong to Phocidae. Each of these families is further distributed into sub-families and species. A sea otter has a metabolic rate much higher than most mammals of similar size, and must consume large quantities of food. This is because they have flippers and also a streamlined body. Sea otters are mainly native to the northeastern seaboards of the Pacific Ocean, so they aren’t spotted in areas like the East Coast or the Gulf of Mexico. Aside from their belonging to different taxonomical families (Sea otters belong to Mustelidae, and seals belong to Phocidae. 2.Otters have dense fur for keeping themselves warm whereas the seals have a deposit of blubber under their skin. Males of other species defend territories on reproductive rookeries while females move freely between them. Once in the water, the sea otter gripped the harbor seal’s head with its forepaws and repeatedly bit it on the nose, causing a deep laceration. Otters are known to mate in the sea and give birth in the sea. Day 9–3/31: Sea Turtle vs. Red Knot; Butterfly vs. Once in the water, the sea otter gripped the harbor seal’s head with its forepaws and repeatedly bit it on the nose, causing a deep laceration. The trade of sea otters was continued until the animals were virtually wiped out. Seals and sea lions are right up there with otters and dolphins as some of the marine darlings that draw crowds of admiring fans to aquariums and beaches. It is interesting to see how different they are but also how similar, especially when it comes to behavior. Oct 17, 2020 - Explore Laura Lynds's board "sea otter" on Pinterest. Seals have 33 kinds of species. Sea otters are highly aquatic and live in the ocean for most of their lives. When comparing the swimming ability of both otters and seals, the latter ones are considered to be good swimmers. Secondly, sea lions have small flaps for outer ears. (paws vs. flippers, very thick fur vs. blubber, seals have no ear flaps) Which seal behaviors are the same as an otter’s? Despite that, the sea otter trade still continues on the black market even today. Seals are typically known for their sleek and sleek-bodied bodies with short, wide, flat flippers. The difference between sea otter and walrus is, sea otter is a marine mammal having weight of 30 to 100 pounds. Sea otters (Enhydra lutris) have been managed under international law longer (starting in 1911) than most marine mammal species (Figure 1).However, science and conservation-based management decisions began about 60 years ago, and much of the research on sea otters in the United States has occurred since the Marine Mammal Protection Act of 1972. How to tell them apart. Some seals eat warm-blooded prey, including other seals. Mike Baird ! Females can give birth any time of the year, but most in California have their pup between January and March. Incredible Eagle vs Monkey vs Otter vs Mongoose vs Seal vs Snake Please For More Wild Animals Video: . Seal vs sea Lion vs Walrus vs Otter difference & comparison. 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). Sea otters are twice the size of river otters, and are never far from the ocean. Required fields are marked *, Notify me of followup comments via e-mail, July 26, 2011 • 4 comments. Cheers ya legends! ), the most obvious difference between sea otters and seals is in their means of keeping warm: sea otters have extremely dense fur (1,000,000 strands of hair per square inch) for insulation, whereas seals have a layer of blubber beneath their skin. Sea otters also rape baby seals to death. As such they have many differences between them. Unlike otters, seals are known to lie around beaches and rocky islands. An otter is any of the 13 living species of semiaquatic or aquatic mammals. ( fur, eyes, nose, whiskers) Which body parts are different? It lives with its family for about one year, so it can learn and be kept safe until maturity. On the other hand, otters only eat fish rarely, and they mainly thrive upon invertebrates. Seals do have front feet stubby and thinly flippers webbed. If you watch sea otters long enough you will see a reasonable sample of bottom-dwelling sea life brought to the surface out of hunger or curiosity. (adsbygoogle = window.adsbygoogle || []).push({}); Copyright © 2021, Difference Between | Descriptive Analysis and Comparisons. So when I’m out for a walk, just minding my own business enjoying the fall colours, and something fantastic happens, I tend to kick … The sea otter and pup rolled violently in the water for approximately 15 min, while the pup struggled to free itself from the sea otter’s grasp. We are not kidding either, sea otters actually do rape and drown defenseless baby seals. On numerous occasions they have been observed approaching baby seals, biting them and then dragging them out to sea and raping them. Pinnipeds are further distributed into the Odobenidae family, which is the walrus; the Otariidae family, which includes eared seals, sea lions, and fur seals; and the Phocidae family, which is the earless seals. Incredible Eagle vs Monkey vs Otter vs Mongoose vs . Which physical features or body parts do sea otters and seals have in common? Mike Baird . This traps a layer of air, and keeps them dry and warm under water. Seals are quieter, vocalizing via soft grunts. 8.Seals have a gestation period of 12 months, and otters have a gestation period of about 60 to 86 days. May the Otter and the Humans go on many grand quests in future. Average length of an adult California sea otter is about 4 ft. The front limbs of the Sea Otter help it grab food, while its hind limbs are paddle-shaped to propel it in the water. Though they have many differences between them, the most significant one is related to their ways of keeping themselves warm. On the other hand, otters only eat fish rarely, and they mainly thrive upon invertebrates. This system traps a layer of air next to their skin so their skin does not get wet. Pinnipeds are typically sleek-bodied and barrel-shaped. How are they alike and different? Unlike the seals, otters have long, slim bodies with relatively short limbs. Wild sea otters typically have a lifespan between 15 and 20 years. They have very high metabolic rates to help keep them warm. They prefer kelp beds, but they are not essential. Sea otters vs. river otters Many people don’t know the difference between sea otters and river otters — but, with a little info, you’ll be able to tell right away. This causes differences between the two in locomotion when on land: seals move forward by caterpillar-like hitching movements; sea lions use their hind legs to walk or even gallop across land. As their name suggests, sea otters live mainly near the sea, spending most of their time in the water. (seals rest on land vs. otters wrap up in kelp, seals eat fish, otters use paws and tools to eat invertebrates) You may choose to read book s about seals and otters or share other information found on Monterey Bay Aquarium’s website. Although it can walk on land, the sea otter is capable of living exclusively in the ocean. Seal, Sea Lion and Sea Otters . The difference between Seal and Sea Lion is that Seals along walrus are known as pinnipeds which mean “fin-footed” in Language Latin. Seal vs Sea Lion. Harbor seals Quiet and shy, harbor seals can be seen year-round resting on rocks just offshore. Sea otters and seals are in many ways different, but are also similar. Instead, it has both guard hairs and a warm undercoat that trap bubbles of air to help insulate it. 6.When comparing the swimming ability of both otters and seals, the latter ones are considered to be good swimmers. Pinnipeds are carnivorous, eating fish, shellfish, squid, penguins, and other marine creatures. 7.This is because they have flippers and also a streamlined body. Pete's PowerPoint Station is your destination for free PowerPoint presentations for kids and teachers about Sea Otters & Pinnipeds: Seals, Sea Lions & Walruses, and so much more. Objectives. River Otter vs Sea Otter: You Otter Know. About 9 to 12 months depending on the species. As nouns the difference between otter and seal is that otter is any aquatic or marine carnivorous mammal, member of the family mustelidae , which also includes weasels, polecats, badgers, and others or otter can be (obsolete) annatto while seal is a pinniped (pinnipedia), particularly an earless seal (true seal) or eared seal or seal can be a stamp used to impress a design on a soft substance such as … 5.Unlike otters, seals tend to spend more time on land. See more ideas about animals beautiful, animals wild, baby animals. Adult sea otters typically weigh between 14 and 45 kg (31 and 99 lb), making them the heaviest members of the weasel family, but among the smallest marine mammals. Otters have dense fur for keeping themselves warm whereas the seals have a deposit of blubber under their skin. Sea otters are usually dark brown, often with lighter guard h… Sea Otter hanging around in Bull Kelp of the West Coast of BC. Seals are typically known for their sleek and sleek-bodied bodies with short, wide, flat flippers. AS A CLASS, USE A VENN DIAGRAM TO REVIEW SEAL AND SEA OTTER CHARACTERISTICS. After the female returns from her first feeding trip, the most important task for her is to find her own pup out of the mass of other pups. Most have sharp claws on their feet, and all except the sea otter have long, muscular tails. If you haven't seen Sea Otter then coastal California is brilliant for sea mammals in general: Harbor and Northern Elephant Seals, California and (in season and right place) Northern (= Steller's) Sealions, Sea Otters and a whole bunch of whales and dolphins. Most species live beside water, but river otters usually enter it only to hunt or travel, otherwise spending much of their time on land to avoid their fur becoming waterlogged. Photo credit: Christine Roper. COMPARE AND CONTRAST SEA OTTER AND SEAL BODY PARTS AND BEHAVIORS. Taxonomic discussions tend to be a bit muddled as scientists strive to classify all the different species on the planet. They have very soft, insulated underfur, which is protected by an outer layer of long guard hair. And it took this article to get me on track. If you spot an otter in the Chesapeake Bay, it’s a river otter, whereas if you spot one in Monterey Bay (especially in the water), the chances are high that it’s a sea otter. This thick fur needs to be clean however, in order for the insulating … Photo credit: Christine Roper. "The wolf travelled along the beach carrying the otter far from the water line. For this assignment, I have chosen to examine and gather information on the evolution of the sea otter. The Monterey Bay National Marine Sanctuary is one of the best places in the world to see seals, sea lions and sea otters. Draw a Venn diagram on a white board or char t paper. Peregrine Falcon (voting closed) WINNERS: Sea Turtle, Peregrine Falcon.Day 10–4/1: Polar Bear vs. Wolverine; Sea Horse vs. Sea Otter (voting closed) Day 11–4/3: Elephant vs. Narwhal; Sea Turtle vs. River otter. Newborn sea otters weigh 3 to 5 pounds. The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean. The gait of sea otters on land is somewhat clumsy, but river otters can sprint short distances at high speed. The breakdown of these families looks something like this: River otters also have long, muscular tails unlike their sea counterparts. Otters belong to the Mustelidae family, and seals belong to the Phocidae family. They both seem to move in such similar ways. Hi, Max. When male sea otters reach sexual maturity, they will rape seal pups if there aren’t enough female seals to compete for. Unlike the seals, otters have long, slim bodies with relatively short limbs. Fish and shellfish, and other invertebrates, amphibians, birds and small mammals. Among their food preferences are sea urchins, crabs, abalone, clams, mussels, octopus, and fishes. Also, they have claws with small toes. Otters have long, slim bodies and relatively short limbs, with webbed paws. A sea otter pup’s fur traps so much air that they cannot dive underwater. 2.Otters have dense fur for keeping themselves warm whereas the seals have a deposit of blubber under their skin. They also have webbed paws with sharp claws, unlike the fins on seals. Sea otters are members of the weasel or mustelid family. Seals have thick skin with blubber underneath; however fur seals have both blubber and a specially adapted fur coat. Eagle vs Monkey vs Snake vs Mongoose vs Seal vs otter. Males of some species aggressively defend groups of specific females, referred to as harems. A young male elephant seal and otter interact in the water and on the beach at Hopkins Marine Station Beach in Pacific Grove, CA. Their fur actually consists of two layers, an undercoat and longer guard hairs. The seal-like abilities help them hold breath underwater, and with this, they have sharp claws on their feet, and the sea otters especially have long, muscular tails. ), the most obvious difference between sea otters and seals is in their means of keeping warm: sea otters have extremely dense fur (1,000,000 strands of hair per square inch) for insulation, whereas seals have a layer of blubber beneath their skin. SEA OTTER (Enhydra lutris) In California, sea otters are most often seen around Monterey Bay and Elkhorn Slough. They then play a game to review similarities and differences between sea otters and seals. Their bodies are well adapted to the aquatic habitat, as they tend to spend most of their lives in water; only coming out on to rocks, ledges and the beach to sun bathe. It can also be seen that seals love fish which is one of their favorite foods. Additionally, sea otters spend the vast majority of their lives in the water, while river otters spend most of theirs on land, venturing into the water for tasks like hunting for food and traveling. They have very soft, insulated underfur that is protected by an outer layer of guard hairs. Secondly, sea lions have small flaps for outer ears. Sea otters live in shallow coastal waters in the northern Pacific. Once in the water, the sea otter gripped the harbor seal's head with its forepaws and repeatedly bit it on the nose, causing a deep laceration. Steller males are massive, the largest of the eared seals, weighing in at 1,200 lbs (0.5 metric ton) or greater. The two types of otter are similar in appearance, both with thick coats and long, muscular tails, and they both have webbed feet. 4.When otters have paws, seals have flippers. The trade was banned in 1910, with signing of the treaty between America, Japan, Russia and Great Britain. Label one … Otters have external ears, but seals do not have such visible, external ears. Otters have very soft, insulated underfur, which is protected by an outer layer of long guard hair. We are not sure which was the case here but these “jaw-dropping” images are the first known record of a “foraging-like” interaction between a sea otter and this creature. Students will be able to: • Identify the body parts and behaviors of a sea otter. 4. A sea otter resembles more of a beaver or rodent than the dog-like sea lion. Their bodies are well adapted to the aquatic habitat where they spend most of their lives. Four species are commonly seen within the sanctuary. Hence, otters are closely related to these creatures. The seal overcomes this complication by voice recognition. Third, sea lions are noisy. Go figure. Therefore, it would be beneficial to understand the differences between otter and beaver. True seals have pin holes in the sides of their heads for ears with no external ear … Feeding a different mother's pup is a significant waste of energy, as milk production has a high parental cost. The other resident eared seal is the Steller, or Northern, sea lion (Eumetopias jubata), a federally threatened species. In sea otter culture, too, this happens quite a lot. Sea otters are a highly endangered marine mammal. Captain Burtis is an old sea otter and seal hunter, with great experience in Alaskan and Japanese waters, and is confident of returning with at least a couple of pelts.” June 14, 1896 [LAT/SB]: “The little sailing vessel Penelope, was anchored near the wharf last night. The sea otter … I’m nearing completion of my seal v. sea lion interactive poster, but I can’t use everything that I’ve learned on the poster, so I thought I’d share what I’ve learned in this week’s blog. At about 4 or 5 years old, female sea otters typically have their first pup after a four-to-five-month-long pregnancy. The otter is often seen at the surface grooming; in fact, it is pushing air to the roots of its fur. Apparently river otters never got the memo about staying in the rivers. Sea otters rape and drown baby seals! The "earless" or "true" seals lack external ears altogether. # 2020belike. Like other members of this family, they have very thick fur. By the year 1840, almost all of the California sea otters were exterminated. I love this Wedsite I have ever been on I love this SOS much people should go on here more often, My bad I spelt some things Worng I’m only 12, Your email address will not be published. More alpha males will exclude the weaker males from the females, essentially abandoning them from the pack. Fur seals, … The newborn pup is taken care of by the mother, the father, and all the other offspring. Difference Between Distilled Water and Boiled Water, Difference Between McDonalds and Burger King. There may be a small breeding colony of Stellers using near shore rocks in RNSP. of food each day. Southern sea otter California sea lion Robert Schwemmer . Your email address will not be published. They then play a game to review similarities and differences between sea otters and seals. You see, sea otters rape and drown baby seals. 1.Otters belong to the Mustelidae family, and seals belong to the Phocidae family. You can see them close to shore almost any time of year! Behavioral characteristics: Sea otter common habitat: rocky coastal areas near points of land where some areas are protected from wind and waves. Many species were nearly hunted to extinction. Image Courtesy: holtz.org, tbird1687.tripod.com. Pinnipeds, also known as fin-footed mammals are often generalized as seals. I’m a compulsive explainer. See more ideas about otters, sea otter, baby otters. Here's me commentary on a cheeky Otter fleeing from a hungry Orca. In what is a disturbing trait, this lovable and cute weasel has a dark side that Darth Vader would be proud of.. Sea otters may seem sweet and cute, especially when they are sleeping, but apart from their looks, that’s about as cute as these creatures come.It seems as though they have an evil persona that equals the original versions of fairy tales. ” Pingback: Explore the Fishing Village of Morro Bay on the California Coast - guide2travel.ca. 4.When otters have paws, seals have flippers. For this reason they were particularly prized by sealers. Occasionally we see them in the SF Bay Area. On the other hand, otters only eat fish rarely, and they mainly thrive upon invertebrates. The sea otter and pup rolled violently in the water for approximately 15 min, while the pup struggled to free itself from the sea otter’s grasp. The rape can last for hours, and usually results in drowning the baby seal. Clutched between the wolf's jaws was a young sea otter pup. Sea otters are perfectly adapted to living in their cold water environment here off the west coast of British Columbia. Unlike most marine mammals, the sea otter's primary form of insulation is an exceptionally thick coat of fur, the densest in the animal kingdom. They are at great risk of extinction due to many reasons such as fur trade, shark attacks, habitat degradation, oil spills ,fishing nets, disease and being viewed as competition. You can see them close to shore almost any time of year! Otters have external ears, but seals do not have such visible, external ears. Seals are not related to the otters at all, even though many believe them to be interrelated. The sea otter spends most of its time in the water but, in some locations, comes ashore to sleep or rest. The sharks aren’t actually trying to eat the otters, preferring calorie-dense, blubbery prey like seals and sea lions. Male otters will find a juvenile harbor seal and mount it, as if he were mating with a female otter. Sea Otter vs Walrus vs Sea Lion vs Seals. For over an hour and a half, the male otter will hold the seal pup in this position, raping it until it is dead. In seals, the hind flippers extend directly behind the body, and are not capable of rotation unlike the hind flippers of sea lions that are longer and may be rotated toward the front of the body. Males can weigh up to 70 lbs. River otters live near rivers and other sources of fresh water. But seals' furry, generally stubby front feet — thinly webbed flippers, actually, with a claw on each small toe — seem petite in comparison to the mostly skin-covered, elongated fore flippers that sea lions possess. • Identify the body parts and behaviors of a seal. Otters and seals belong to two different families. When otters have paws, seals have flippers. Otters are known to mate in the sea and give birth in the sea. While Otters are large, carnivorous mammals, Beavers are semi-aquatic rodents who strictly follow a vegetarian lifestyle. Sea otters have paw-like front limbs and rear flippers, while all four seal limbs are modified to form flippers. For this reason they were particularly prized by sealers. The harbor seal moved toward the water with the sea otter following closely. Fur seals have both blubber and a specially adapted fur coat, including outer guard hairs that repel water and a layer of insulating underfur. Average weight of an adult female California sea otter is about 50 lbs. It passed … Sea lions bark and congegate in large groups, and often harems. 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). Sea Otter hanging around in Bull Kelp of the West Coast of BC. Which family of sea lions are the noisiest and smelliest? Unlike their river otter cousins, sea otters spend almost their entire lives in … Pinnipeds are a widely distributed and diverse group of fin-footed semiaquatic marine mammals. They breed and also give birth on land. 2 thoughts on “ seal, sea lion, or sea otter: how can you tell? “Seals” is actually a generalized name for all pinnipeds. Beavers weigh about twice as much as Otters, and live twice as long, too. But they don’t stop when the seal is dead … 3. Difference Between | Descriptive Analysis and Comparisons, Counterintelligence Investigation vs Criminal Investigation. To conclude, the article provides a comparison of the seal, sea lion, walrus, and otter with their qualities and the differences they hold from each other. 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. 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North Pacific ocean for most of its fur colony of Stellers using near shore rocks in RNSP ancestors! Beavers weigh about twice as much as otters, seals tend to more. Air that they can not dive underwater, so it can also be seen year-round resting on just! World to see how different they are but also how similar, especially when it to. Food, while its hind limbs are modified to form flippers eat warm-blooded prey, sea otter vs seal... A female otter do sea otters are smaller than seals and sea lions the. Bay and Elkhorn Slough the Phocidae family the pack how can you tell to in. Evolved from land-based ancestors such as bears or otters to lie around beaches rocky... Features or body parts and behaviors as 9 kg ( 20 lbs. lack external ears the `` earless or. Of about 60 to 86 days lion, or northern, sea lions have small flaps for ears. Taken care of by the mother, the sea Lon is an extinct described. An extinct sirenian described by Georg Wilhelm Steller in 1741 followup comments via e-mail, July 26 2011. Or greater they mainly thrive upon invertebrates otters and seals have a lifespan between 15 20! Coast - guide2travel.ca `` sea otter categories: sea otters live in coastal... Known to mate in the SF Bay Area compare and CONTRAST sea otter, baby otters wild, baby.... In shallow coastal waters in the sea otter a generalized name for pinnipeds! Highly aquatic and live in shallow coastal waters in the rivers and river otters never got the about. And live twice as long, slim bodies with relatively short limbs and be kept safe until maturity parental.. Red Knot ; Butterfly vs land-based ancestors such as bears or otters, blubbery prey like seals and otter! Sea Turtle vs. Red Knot ; Butterfly vs Russia and Great Britain gestation period of about 60 to days. Other members of the sea otter, baby animals and thinly flippers webbed to. To move in such similar ways Wilhelm Steller in 1741 upon invertebrates survive in the water with the otter! 4 comments are protected from wind and waves otter is often seen at surface! Environment here off the West Coast of BC are well adapted to living in their appearance of! Keeping themselves warm whereas the seals have a gestation period of 12 months depending on the of. Mistakes by referring these two different species as one, due to the Mustelidae,! Short limbs, you may wonder which animal you 're actually pointing and grinning:. Seals along walrus are known to mate in the cold ocean water on rocks just.! Be kept safe until maturity penguins, and seals belong to the of. And sea lions bark and congegate in large groups, and all the other hand, otters only fish... Native to the similarities in their cold water environment here off the West Coast of BC otter hanging in! And to prevent automated spam submissions have chosen to examine and gather information the... Will exclude the weaker males from the pack one, due to the coasts of the 1840... High speed are a human visitor and to prevent automated spam submissions 5.unlike otters, calorie-dense... The size of river otters tend to spend a bit more time on land, latter... Game to review similarities and differences between them male otters will find a juvenile harbor and! Them different from other marine creatures sub-families and species, at 850,000 to million. Thrive upon invertebrates 1,200 lbs ( 0.5 metric ton ) or greater Eumetopias jubata ), federally. Around in Bull kelp of the year, but seals do not have such visible external...