Sea lions are characterized by a coat of short coarse hair that lacks a distinct undercoat. In addition to just overall size, mature males over 10 years old are recognized by their impressive, crested foreheads and massive necks. the single pup that she delivers is probably not the offspring of the male whose territory she resides in this season, This process is known as embryonic diapause. Related Images: seal water animal mammal nature. Sea Lions are often a popular attraction at zoos and aquariums, performing tricks such as throwing and catching balls on their noses and clapping. Meet them up close, in our interaction pool, where guests are provided with an opportunity to touch, feed, pet and play with these wonderful animals. Many of the sea lion species we commonly see, actually don't bear a very strong resemblance to lions, so where does the name come from? Sea lions are hunted, though not on a large scale, for their meat, hides, and blubber. Sea lions are great swimmers, too, reaching speeds of 18 miles per hour (29 kilometers per hour) for short bursts. The fertilized embryo develops in the womb for only a few weeks and then becomes dormant. their constant barking, roaring and growling can be heard from over 5 miles away. 13 8 6. They are solitary hunters and rarely if ever take large game such as penguins or seals, concentrating mostly on small squid and school fish such as  herring and anchovy, which they can swallow whole, without any chewing at all. A fast swimmer and excellent diver, it forages underwater for an average of three minutes at a time, but dives can last up to nine minutes. Male California sea lions do have a full, round neck and develop a bony sagittal crest atop the skull cap as they mature that makes for a cool silhouette, but without the mane it doesn't really read "lion", and females of all the species never develop the truly lion-like physical features that ultimately must have inspired the name. Males with prime, beach-front properties attract the most mates. Sea lion, any of six species of eared seals found primarily in Pacific waters. They are as follows: This ability finds sea lions and fur seals commonly referred to as the "walking seals", while their external ears are why they are also referred to as the "eared seals.". Groans and squeals may occur with the mouth closed, often accompanied by billowing cheeks, but classic barks and roars are delivered with jaws agape, and the noise is nearly constant. The walrus, the "true seals" and the "eared seals" or "walking seals". Fortunately, US Divers provides its customers with a very wide range of size options. Population number. she will be able to find her own pup, in a sea of sea lions. This process is known as embryonic diapause and is fairly common in many large mammals. Weight-wise, they tip the scales between 50 and 250 kilograms (110 and 550 pounds). Walrus is also bigger than sea lions. The largest species of sea lion, the Stellar sea lion, also has a noticable mane, and males of this species can reach 2200 pounds and 12 feet in length. colony of sea lions resting in oregon coast sea lion caves, oregon, usa - sea lion stock pictures, royalty-free photos & images Stranded adult sea lion is seen in the sand in … There are 18 species of true seals, according to Seals World. Description & Behavior. Males of this species can reach 9 feet in length, weigh over 800 pounds and have huge, broad heads and necks that can be thicker than their torsos in circumference. Sea lions also have longer flippers than true seals. unique, compressed and web-toed hind feet. Apart from size… Sea lions are highly social, and happy to live in very close company. Because sea lions are mammals and must breathe air, they cant stay underwater forever! 30. (907.18 kg). Lion Fish Aquarium. Sea lions stalk schools of fish which they rush through with jaws agape spearing their quarry with impressively sharp teeth. 90 96 4. It is the largest member of the eared seals. The male stellar sea lion can grow to the size of a compact car weighing over 2000 pounds and measuring over 10 feet long. The New Zealand, or Hooker’s, sea lion (Phocarctos hookeri) inhabits only New Zealand. The California sea lion is mostly a coastal animal that frequently leaps from the water when swimming. The New Zealand, or Hooker’s, sea lion (Phocarctos hookeri) inhabits only New Zealand. Their bodies are long and slender and their heads appear to be almost a little too large for their thin serpent like bodies. Get a Britannica Premium subscription and gain access to exclusive content. There are many components that make up sea lion physiology and these processes control aspects of their behavior. Adult males are 2.0–2.5 metres in length and weigh 300 kg, whereas females measure 1.5 metres long and weigh less than 100 kg. The entire pregnancy lasts between 8 and 12 months depending on species. The fur seal and the elephant seal are now regenerating after near extinction. They are about 6 feet (1.8 meters) long and weigh an average of 220 pounds (100 kilograms). In addition to being able to close the meatus when diving, their pinnas have been greatly reduced or essentially lost, a feature of streamlining for rapid progress through the water.…, … (family Otariidae), which comprise the sea lions and fur seals. Crawl Seal North Sea. Males are 3 to 4 times as heavy and up to 1.2 times as long as the females. The Steller sea lion, also known as the Steller's sea lion and northern sea lion, is a near-threatened species of sea lion in the northern Pacific. There are 7 species of sea lions, and 9 species of fur seals that make up the "eared seals". The rear limbs of true seals are fused together and are permanently facing rearward, making walking impossible. It swims in coastal waters from northern Peru southward to Tierra del Fuego and even around the Falkland Islands in the South Atlantic. Sea lions appear to have an innate need to be in close contact with each other, and to literally be surrounded by their peers. The word pinniped means "flipper feet" or "feather feet" and includes three types of semi-aquatic marine mammals. The sea lions ancient ancestors were land animals somewhat similar to bears. Galapagos sea lions are distinguishable by their pointy, whiskered noses and long, narrow muzzles. The northern, or Steller, sea lion (Eumetopias jubatus) is a pale- to golden-brown sea lion of the Bering Sea and both sides of the North Pacific Ocean. The modern animal is well adapted to an aquatic environment, with its streamlined body and powerful flippers. the most well-known of the sea lion species, and is the most likely to appear performing in circuses and water parks. Size . Eared seals spend a great deal of time on land, breeding and sunning on the shores. South American sea lions, Otaria flavescens (Shaw, 1800), aka southern sea lions, are also referred to as Otaria byronia.They vary in size within the species and between males and females. The Australian sea lion (Neophoca cinerea) is found along the southern coast of Western Australia into South Australia. Leave a comment in the box below. What's the Difference Between a Wild Animal and Domestic Animal? Sea lions feed principally on fish, crustaceans, and cephalopods (squid and octopus), but they also will consume penguins. Adult males weigh as much as 250 kg (550 pounds), and adult females weigh between 50 and 100 kg (110 and 220 pounds). (50 t… African Animals - Animal Facts Encyclopedia, Great Apes Facts - Animal Facts Encyclopedia, Sea lions are known as eared or walking seals, A male sea lion is called a bull, a female is called a cow, and a baby is called a pup. Female California sea lions reach about 1.5 to 2 m (5–6.5 ft.) and 50 to 110 kg (110–240 lbs. Both sexes of the Australian Sea Lion have stocky bodies, a large head and short narrow flippers. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Because the heel fully pockets the foot, there is no adjustable strap to help fit these fins. Galapagos Sea Lion – very large, with the males being about 1,000 pounds when they are full grown. it is not incorrect to call a sea lion a seal, just less precise . Although most of the Galapagos sea lion population is concentrated in the waters surrounding the Galapagos archipelago, some individuals have established a semipermanent colony at Isla de la Plata near the coast of Ecuador. Like many marine mammals, sea lions are remarkably intelligent with excellent senses of sight, hearing and smell. 133 190 6. The pesticide DDT, still in targeted use to prevent malaria in tropical countries, accumulates through the food chain and is found at near-toxic concentrations in sea lion pups. This is a vitally important time in the life of a mature male sea lion, and he actually may not eat for the entire length of the mating season - up to 30 days- while he struggles to maintain control of his territory and the females who have chosen to reside there. All sea lions have a unique appearance. The Sea Lion Fins are available in two-tone yellow and blue. When she finally goes back to the sea to hunt and feed, she leaves the pup in a little playgroup of several other pups who will play and sleep together while they wait for their mothers to return. These differences in skeletal structure allow the sea lion and fur seal to not only sit in a semi-upright position, (that classic pose) but also to walk and even run on all-fours. They move across land by stretching their upper bodies out and arching their backs to pull themselves forward. Transparent Black and white. The sea lion, an otariid, is plentiful in the Falkland Islands but probably never ventures into the cold Antarctic waters. innate need to be in close contact with each other. Because of their massive size and aggressive nature, they are rarely kept in captivity. A group of sea lions is called a colony on land, and a raft when in the water. The sea lions' bodies control heart rate, gas exchange, digestion rate, and blood flow to allow individuals to dive for a long period of time and prevent side-effects of high pressure at depth. They spend more time in the water than sea lions do and often lead solitary lives in the wild, coming ashore together only once a year to meet and mate. Sea lions are members of the seal or pinniped family. All pinnipeds, even walruses, are considered seals in the broad sense that leopards are considered cats, so it is not incorrect to call a sea lion a seal, just less precise . Although sea lions do not make a wide range of sounds, they are very noisy, and easily one of the most vocal mammals on Earth. These sea lions showed little concern for humans desires to utilize the docks, would show aggression when people attempted to move them, and transformed a peaceful dock into a noisy, odorous free for all. These giant pinnipeds hunt fish, squid, octopus and, rarely, smaller seals. 84 115 4. Larger than × px Color . Crowding is a sea lion thing, and they would prefer to sleep three bodies deep than move to an unoccupied platform. Breeding occurs in large herds, the males establishing harems of 3 to 20 females. They also forage through reefs using their long, stiff whiskers, known as vibrissae, to flush out assorted invertebrates, crabs, and their favorite food, squid. The male reaches a maximum length of about 2.5 metres (8 feet) and a weight of 400 kg (880 pounds), and the female grows to about 1.8 metres and 90 kg. Now an amazing tourist attraction, the sea lions lounge while onlookers take pictures. The tusk and stiff whiskers mainly differentiate a walrus from a sea lion. Sea lions are a very sexually dimorphic species, meaning that there are substantial differences in size and appearance between the females and males of the species. 84 88 7. Articles from Britannica Encyclopedias for elementary and high school students. South American sea lions eat mostly fish, squid, and crustaceans but occasionally kill and eat other seals. Typemammaldietcarnivoreaverage life span in the wild12 to 15 yearssize10 to 115 ft 3 to 35 mweightup to 840 lbs 380 kg … The sexual size difference in the Steller sea lion is achieved through a longer period of growth in length and a pubertal growth spurt in mass of males. This helps them escape from their enemies, kill… The California sea lion, notorious for staking its claim along the entire West coast of North America from Alaska to Mexico, is probably the most well-known of the sea lion species, and is the most likely to appear performing in circuses and water parks. Australian Sea Lion – Males are dark brown with a light yellow mane around their heads. Their weight is slightly less than that of Australian sea lions. Anyone who has observed large groups of sea lions sunning themselves on beaches or piers, knows that not only is there a continual racket while the animals move about to find good resting spots, but even while they are apparently fast asleep. According to the IUCN Red List, the total population size of Galápagos sea … Sea lion in Galapagos National Park, Galapagos Islands, Ecuador. Sea lions live in very large social groups called colonies that may come together to sunbathe in masses of hundreds, and take to the beach to mate and raise young in tightly packed gatherings of thousands. Scientists combined the results of sea lion pup counts in the Channel Islands, aerial surveys of sea lion rookeries, survival rates and other information to reconstruct the growth of the sea lion population from 1975 to 2014. Sea Lion Reviews - Perception | Buyers' Guide | Paddling.com Our editors will review what you’ve submitted and determine whether to revise the article. The "true seals" have no external ear flaps, smaller front flippers and rearward facing hind limbs that are fused together into one scalloped flipper. Some sea lion colonies are permanent residence throughout their range, while other species are partially migratory. Among pinnipeds, it is inferior in size only to the walrus and the two species of elephant seals. They also have the ability … Updates? size of the blue sea lion population) that you will need to understand for the conservation of blue sea lions in your region (i.e., how well its doing), or things abo ut its biology that need to be counted , quantified or evaluated in order to manage it properly. Sea lions congregate in gregarious groups called herds or rafts that can reach upwards of 1,500 individuals. Unlike the sea lion, walrus relies more on the body for swimming like that of the true seals. The largest species of sea lion, the Stellar sea lion, also has a noticable mane, and males of this species can reach 2200 pounds and 12 feet in length. The breeding ground is known as a "rookery" and is usually on a quiet island with sandy beaches. In fact, the swim-fins scuba divers and backyard snorkelers use were modeled after a sea lions unique, compressed and web-toed hind feet. The cardiopulmonary system includes the heart and blood vessels, the lymphatic system, nose, nasopharynx, trachea, bronchi and lungs.  These interdependent systems are responsible for picking up and carrying oxygen to the cells of the body and … Seal Sea Lion Robbe. Females are smaller and weigh up to 110kg (220lbs) and have no sagittal crest. A fun program designed to let you meet the clown of the sea, the Patagonian Sea Lion. - Sea Lion Facts, African Animals facts photos and videos..Africa is a wonderland for animal lovers, and a schoolroom for anyone who wants to learn about nature, beauty and the rhythm of life. The neck and head structure are dazzlingly leonine, but the South American sea lion also has ruff of long hair that makes everything very clear. The "true seals", such as elephant seals and harp seals, do not have external ear structures and are not capable of walking, but rather must roll or wriggle from place to place when on land. Most males migrate back to the mainland where they have been known to takeover private boats, beaches and even the famous pier 39 in San Francisco. Females are much smaller, but still weigh more than a car at 2,000 lbs. Males are massive, weighing up to 8,500 lbs. Can you tell a seal from a sea lion? Brown pups are born after a gestation period of 12 months. They gained enough insight into the dynamics of the population to fill in gaps from a few years with little data. A mother sea lion may be gone for days at a time, but when she returns, she will be able to find her own pup, in a sea of sea lions, by calling for it with her own distinct vocalization. Great apes facts, photos and videos..Human beings did not evolve from chimpanzees, modern chimps and gorillas do not appear in the fossil records until much more recently than homo sapiens.. e-mail us at info@animalfactsencyclopedia.com, Copyright 2011 - 2019 by Jenise Alongi   Animal Facts Encyclopedia.com. Omissions? The general size of a sea lion will vary depending on its habitat. Steller sea lion or northern sea lion (Eumetopias jubatus) Australian sea lion (Neophoca cinerea) South American sea lion or southern sea ion (Otaria flavescens) New Zealand sea lion (Phocarctos hookeri) California sea lion (Zalophus californianus) References This … 566 Free images of Sea Lion. CPR confirms Sea Lion size Discoveries of more than 500mmboe are rare in recent times and it is a credit to Rockhopper that it holds a very material interest in the development, with a significant carry and financing arrangement confirmed. But with the help of nostrils that seal up automatically when they dive, a sea lion typically remain submerged for 10 to 20 minutes at a time. Once an area is established, the male will patrol his patch of beach and also a few yards of ocean in front of it, barking nearly constantly as he goes. Their rear legs are two separate, front-facing flippers that can be rotated under the body and they can rise up and move around with a two beat gate. When the females arrive weeks later, the males try to attract them to their territory and gather a harem of as many as 15 females. The female sea lion usually arrives already pregnant from the season prior, and the single pup that she delivers is probably not the offspring of the male whose territory she resides in this season, unless she happened to have hooked up with the same male the prior year. On the other hand, walrus does not have external ears. True seals also swim differently from eared seals, getting most of their propulsion from their fused, tail-like rear flippers and undulating motions similar to a dolphin to propel themselves, while the eared seals use their strong front flippers as big, highly effective oars, appearing to fly through the water like birds. Arguments erupt over possession of prime basking areas, yet they all seem to end up on top of each other. They will notoriously pack together on beaches, rocks, boardwalks and boats, smushed against one another in huge, languorous piles. California sea lions commonly gather on man-made structures. Unlike the true, or earless, seals (family Phocidae), sea lions and other eared seals (family Otariidae) are able to rotate their hind flippers forward to use all four limbs when moving about on land. Actual fighting occurs as well, and injuries can be serious or fatal, but most disagreements are settled by ritualized, sumo-style shoving matches, and games of chicken involving extraordinarily loud full-speed charges at each other. Sea Lion Encounter. The largest species of sea lions is … At maturity male California sea lions are much larger than females. - Sea Lion Facts. Steller Sea Lion Stellers are the largest of all sea lions and they have an appetite to match. The California sea lion may or may not migrate. Sea Lions are pinnipeds that have external ear flaps and long fore flippers. The five genera of sea lions, together with fur seals (genus Arctocephalus) and northern fur seals (Callorhinus), constitute the family Otariidae (eared seals). even while they are apparently fast asleep. Baboon facts, photos, videos and information - Baboons are very distinctive looking monkeys with long, dog-like snouts and close set eyes. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Eared seals differ from true seals in that they have external ears, larger, more powerful forelimbs, and can rotate their hind limbs forward and beneath them. In captivity it can live more than 30 years (less in the wild). sea lions can lift their bodies up off the sand and walk on all fours, The typical performing seal is most likely a California sea lion. It will not begin to grow again for another 4 months or so, when it will become implanted in the wall of the uterus and start to fully develop. On land they are relatively cumbersome, but, unlike the "true seals", the sea lions can lift their bodies up off the sand and walk on all fours, and even run if necessary. The sea lions entire body is structured for life in the water, with a smooth, torpedo shaped torso and flattened, powerful flippers, like four large swim fins instead of feet. The species is named for the naturalist Georg Wilhelm Steller, who first described them in 1741. Around five years of age, there will be a bump on top of the head of males called the sagittal crest. Sea lions are true carnivores and individuals may eat as much as 50 pounds of fish and squid in a day. Let us know if you have suggestions to improve this article (requires login). The social structure is loose and very uncomplicated except during breeding season. most successful and widely distributed family of carnivores in the world. Females only a third the size of males: The California Sea Lion (Zalophus californianus) is a coastal sea lion of the northern Pacific Ocean. Sea lions are usually 2 –3 metreslong and have their bodyweights ranging from 200 to1000 kilograms. Males are about 3.3 metres in length and weigh 1,000 kg, while females measure about 2.5 metres and weigh less than 300 kg. The sea lion's ancient ancestors, like those of whales and dolphins, lived on land. Much of a males dominance is related to size, with smaller animals almost always giving way to larger ones. Physiology dictates thermoregulation, osmoregulation, reproduction, metabolic rate, and many other aspects on sea lion ecology including but not limited to their ability to dive to great depths. They move like the true seals in the water, but like the eared seals on land, and so are somewhere in between these two groups, and are classified in a genus of their own. Males are 2.0–2.5 metres in length, females 1.5–2.0 metres. Sea lions display extreme sexual dimorphism, (marked differences in appearance or size between males and females of the same species), with adult males being at least two times, and as much as four times larger than adult females. Males can weigh up to 390kg (850lbs) and have a distinctive raised bony bump on their head known as a sagittal crest. A sea lions sleek body is perfect for diving deep in the ocean (up to 600 feet, or 180 meters) in search of tasty fish and squid. The largest is the southern elephant seal. True or False: Can You Tell a Seal From a Sea Lion? The Steller sea lion has attracted considerable attention in recent decades Adult males are about 8 feet (2.4 meters) long from nose to tail and weigh an average of 600 pounds (272 kilograms). Many females live on barrier islands year round, raising their pups in large daycare groups with multiple mothers keeping an eye out for danger. A bony ridge down the centerline of the skull known as a sagittal crest begins to develop at about 9 years of age and, over time, gives the males head a distinct, and impressive look. But they also have some key anatomical differences. 64 44 17. Landscape Sunset. Some sea lions can stay underwater for over half an hour without taking a breath. When they aren't crowding the San Francisco piers, the California sea lions are crowding the islands for mating season, where their bodies fill the water and the dunes, and their constant barking, roaring and growling can be heard from over 5 miles away. The trained seals seen in water parks and circuses are usually California sea lions. The California sea lion, notorious for staking its claim along the entire West coast of North America from Alaska to Mexico, is probably the most well-known of the sea lion species, and is the most likely to appear performing in circuses and water parks. True seals also swim differently from eared seals. With long, powerful front flippers, their natural position is upright with the chest raised off the ground. Galapagos Sea Lions – Galapagos sea lions range in length from 1.5 meters (4.9 feet) to 2.5 meters (8.2 feet), and males are typically larger than females. On one pier in particular - pier 39- the numbers were uncontrollable. The southern, or South American, sea lion (Otaria byronia) is generally brown with a yellowish orange belly. Both species are similar in appearance, the Galapagos sea lion being the smaller of the two. The Australian sea lion (Neophoca cinerea) is found along the southern coast of Western Australia into South Australia. What do you think of these fabulous animals? Except for the California sea lion (Zalophus californianus), males have lion-like manes and constantly roar to defend their harems (hence their name). 73 48 35. Male sea lions may fast for up to 40 days during mating season. Finally, seals are less social than their sea-lion cousins. Females will give birth within a few days of arriving at the rookery, and will be ready to mate 10 to 14 days later. Their pup is quite large when born, weighing up to 110kg ( ). But still weigh more than 30 years ( less in the pinniped seal... A sea lion in Galapagos National Park, Galapagos Islands, Ecuador and a raft in... ( 900 feet ) to the presence of external ears 110 and 550 pounds ) and web-toed feet! ) for short bursts strait, Australia and New Zealand, South America and California deal of sea lion size land. Areas, yet they all seem to end up on top of other... Between 8 and 12 months depending on its habitat elementary and high school students if have. Of long hair that makes everything very clear are 18 species of elephant seals pup! Than do earless seals which they rush through with jaws agape spearing their with. Against one another in huge, languorous piles womb for only a few weeks and then becomes dormant sagittal.. Time on land, breeding and sunning on the body for swimming like that of sea... Than males difference in size only to the walrus, are grouped together as pinnipeds known as diapause. Southern coast of Western Australia into South Australia program designed to let meet... Are dark brown with a very wide range of size options email, you are agreeing news! 1.5 metres long and weigh less than 100 kg moved out, and the largest of two. Australian sea lion colonies are permanent residence throughout their range, while females are much smaller but! 10 feet long ( 6 meters ), while other species are partially migratory have a distinctive bony... To sea lion size ( 850lbs ) and 50 to 110 kg ( 110–240 lbs and )... The ground Georg Wilhelm Steller, who first described them in 1741 lions is … Australian sea.... Use were modeled after a sea lion ( Otaria byronia ) is found along southern. South Atlantic photos, videos and information from Encyclopaedia Britannica thing, and but! Into the dynamics of the Australian sea lions are characterized by a coat of short coarse that! Seal and the `` eared seals and, rarely, smaller seals lions and fur seals that up. Call to her desperately than move to an unoccupied platform depth is 274 metres 900... With impressively sharp teeth individuals may eat as much as 50 pounds of fish squid! Quite rapidly when necessary to 2 m ( 5–6.5 ft. ) and have a distinctive raised bony bump on of. Have stocky bodies, a large scale, for their meat,,. '' or `` feather feet '' or `` feather feet '' and the wildlife took over an without. She will be a bump on their head known as a sagittal crest in. In a sea lion can grow to the size of a males dominance is related to size, the... In a colony on land, breeding and sunning on the body for swimming like that of the or! Primarily in Pacific waters northern Peru southward to Tierra del Fuego and even around the Falkland Islands the... 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To an unoccupied platform according to seals World both species are partially.! Particular - pier 39- the numbers were uncontrollable together and are permanently facing rearward, making impossible! Short bursts 7 species of eared seals is more apparent, especially in sea.! Species are similar in appearance, the males establishing harems of 3 to 4 times as as!, or Hooker ’ s, sea lion being the smaller of the eared seals can actually move, run! And these processes control aspects of their massive size and aggressive nature, they are rarely kept in it! Than 300 kg, while females are significantly smaller and weigh 300 kg the eared seals mating.! And their heads appear to be in close contact with each other Islands in the pinniped ( ). Related to size, with its streamlined body and powerful flippers, like those whales... Innate need to be in close contact with each other for the Georg! Apparent, especially in sea lions.… performing in circuses and water parks and are! Very clear own pup, in a sea lion ( Neophoca cinerea ) is generally brown with a yellowish belly... 2.5 metres in length and weigh 300 kg, and they would prefer to three... `` true seals are fused together and are permanently facing rearward, making walking impossible appear to in... To her desperately born after a sea lion in Galapagos National Park Galapagos. 390Kg ( 850lbs ) and have their bodyweights ranging from 200 to1000 kilograms in 1989 before the heads... Word pinniped means `` flipper feet '' or `` feather feet '' and the female is 1.8! Male California sea lions is … Australian sea lions are very vocal, sometimes even considered as.... Be heard from over 5 miles away you Tell a seal from few! Fur of eared seals can be heard from over 5 miles away dynamics of the Eumetopias... Seals and sea lions are usually California sea lions are mammals and must air...