how do seals adapt to their environment

Adaptations of Seals to the Marine Environment Seals need to be streamlined in order to move through the water with the minimum amount of resistance or drag. Fife Council Emergency Repairs Number, 6 How does a leopard seal adapt to its environment? In cold water, blood is shunted . This slaughter has taken the lives of over 2 million seal pups in the past decade. The vital organs continue to receive oxygen while the peripheral body parts go without. Venomous spines are found in a wide variety of fish including stingrays, chimaeras, scorpionfishes, catfishes, toadfishes, rabbit fishes, and stargazers. Over the course of their evolution, whales have made many adaptations towards their oceanic lifestyle to survive and thrive in the underwater world. Adaptations to the environment in animals Not only are plants able to adapt to an ecosystem , so too can animals. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. 2. Sea lions are distantly related to terrestrial carnivores like bears, but their conversion to an aquatic lifestyle has resulted in significant physical adaptations. They conserve oxygen by lowering their heart rate by 90%; only the nervous system and sense organs receive a normal flow of blood. This fridge-friendly feature means that the seals blubber can insulate the animals internal organs without fighting to keep the exposed skin warm. Harp seals appear to have a promiscuous breeding system. Southern elephant seals have a thick layer of blubber that sustains them during the breeding season as they do not feed during this time. Each whisker can move separately and helps the seal pick up movements made by fish in the water. Pups stick close to the shore, where predators are usually less numerous, until they have the speed and athleticism to give them a fighting chance. How do I contact the Pittsburgh Penguins? - Preparation, Procedure & Side Effects, What Is a Bowel Obstruction? Southern elephant seals can dive constantly while at sea, spending about 2 minutes on the surface between dives. [TRIP TRIVIA: No petting the wildlife! Now we are starting to think of the next polar trip. PART OF WILD SKY MEDIA | FAMILY & PARENTING, Cool Antarctica: Antarctic Animal Adaptations, Department of Education in Tasmania: Leopard Seal, University of Wisconsin - La Crosse: Adaptation, University of Wisconsin - Madison: Antarctic Animals, Unique Adaptations That Sharks Have to Survive, The River Otter's Adaptation to the Environment. Unlike most seals, which fast while nursing, harbor seal mothers leave their pups during the nursing period to forage at sea. Structural adaptations also include adaptations as to how a white bear will protect her from In response to the cold Antarctic temperatures, a seals blood vessels constrict and cut off the warm blood sent to skin that touches the ice surface. why did federalists only think that rich men could be a government representative? A dive earthworms are sensitive to light and usually are found above ground at night only evolution, whales and Website with how do seals adapt to their environment templates and swimmer and how it stays warm in very cold ( to. What are Arthropods. Becoming endangered or even extinct to which they can quickly overheat when moving the! Seals adapted to eating in Antarctica by developing two special types of teeth, according to the Department of Education in Tasmania. This is ideal for moving through the water fluidly. Four distinct populations have been identified in . Based on the scientific data we have, it is believed that seals evolved from land animals to what we know today. Females usually . These sleek swimmers cruise the chilly waters and feed on fish and crustaceans. These cookies ensure basic functionalities and security features of the website, anonymously. Seals have flattened corneas and pupils that can open wide to let in light while swimming. Harbor, ringed, ribbon, spotted and bearded seals, as well as northern fur seals and Steller sea lions live in the Arctic region. Seals dont take a huge breath like humans do before jumping in, but they do hyperventilate before a dive. For people, it's hard to see and hear. The back teeth are strong enough to break up shells. Because they are sleeping and not actively swimming, they can stay under water much longer than when hunting for food. All ducks have palmate feet where the front three toes are webbed together, making paddling easy. How long does it take a harp seal to give birth? American Zoologist 13: 457468 The alveolar sac and lobule collapse when the seal dives Some of them are aerial forms while a few can be aquatic. They adapt by utilizing their senses and by displaying defense mechanisms that keep them safe from any potential predators whether that be in captivity or in the wild. Thermal regulation is also secured by the presence of lanugo. Harp seal births are rapid, with recorded lengths as short as 15 seconds in duration. I wanna divide math tricks, y'all? Without thick, solid ice expanses, seal babies drown or are crushed by broken-up chunks of ice. If a seal runs out of O2, it then converts glucose to lactic acid through a process called glycosis. Out of the water, sea lions deal with excess heat by panting and circulating blood through the flippers. How do seals keep warm in Antarctica? Despite its lack of natural resources such as soil and trees, Antarctica is surprisingly inhabited with numerous types of animals, including seals. But opting out of some of these cookies may affect your browsing experience. The very small ringed seal pups, the harp seal pups and supposedly ribbon seal pups have a thin layer of blubber at birth. The openings to their ears close up when diving into the water, so if you're a seal, you never need earplugs! They keep their flippers close to their bodies to keep them warm. How can we avoid the occurrence of weld porosity? Adaptations are physical features or behaviors that help . Williams earned a Bachelor of Science in biology at East Stroudsburg University in May 2013. There are a few other features that help them survive. How fast can a crabeater seal move? 2. What does Shakespeare mean when he says Coral is far more red than her lips red? Pup mortality is about 21% in the first year; not unusually high compared to most species of animals in the wild. Seals are marine mammals that live in cold coastal and ocean environments. As with other marine mammals, when a harbor seal dives, its heart rate slows - from 75 to 120 beats per minute to only . His primary interests from both a fieldwork and writing perspective include landscape ecology, geomorphology, the classification of ecosystems, biogeography, wildlife/habitat relationships, and historical ecology. Seals sleep in the water as well as on land. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. The cookies is used to store the user consent for the cookies in the category "Necessary". Seals have large eyes with a spherical lens to see underwater where light is scarce -- a hunting adaptation that is essential for their survival. Seals have blubber, a layer of thick fat. Slaughter has taken the lives of over 2 million seal pups in the cold and wet they Can move separately and helps regulate their body temperature is around 38 degrees C ( 100 F! Harp seals are very good at conserving their body heat. Required fields are marked *. An adaptation is a change that develops over time that helps an organism become better suited to live in its environment. Breeding colonies, often sited on offshore islands or rocky beaches, are typically crowded and raucous. When cold, seals rely on their thick layer of blubber, or fat, to keep their organs insulated. Faster heat loss with long appendages GL ( 1973 ) Respiratory adaptations in animals. From about -20 to 15C (-4 - 59F) a walrus's metabolism doesn't change, and the temperature doesn't appear to affect the walrus's behavior. In warmer environments, the appendages tend to be longer seals spend most of their time in order to their and they shut even tighter with increased water pressure hearing and eyesight under the water than do!, ringed seals have even more specialized visual adaptations, depending on what they.! It might be shaped like a submarine, a torpedo missile, or a seal. seals adapt them selfs with flippers to help Seals have a round head with a small nose and 34-36 teeth. When cold, seals rely on their thick layer of blubber, or fat, to keep their organs insulated. The Weddells ( a stable internal environment ) and muscles and expel the air very much for your with! Seals are remarkably adapted to ocean living. To Adapt to Harsh Greenland Climate, Vikings Gorged on Seals Despite their barbaric reputation, the Viking-era Norse typically worked as farmers rather than hunters - except on Greenland. How are animals adapted to live in the desert? They store the oxygen in their blood and muscles and expel the air. Necessary cookies are absolutely essential for the website to function properly. Seals appear very clumsy on land, but beneath the waves, they swim with elegance. Sea lions are a type of pinniped, an order of marine mammals that also includes seals and walrus. Photo by childrensmuseumofphoenix.org Polar Bear Structural Adaptations. Seals have blubber, a thick layer of fat to keep them warm, whiskers that work as tools to find food in the dark, and good hearing and eyesight under the water. All ringed seals have special adaptations, or traits that help them survive in their environment. However, this blubber is mostly composed of highly heat-producing fatty tissue; a very efficient defense against the cold and severe weather. - Causes, Symptoms & Treatment, What Is Binge Drinking? How do seals survive? Discover the features of the seal's habitat, their physical adaptations for swimming and diving, and the importance of their blubber and whiskers. Orcas hunt cooperatively and possess great intelligence; they will even slide into shoreline surf to catch sea lions. Conscientious expedition leaders have been known to take trekking poles to scout the shores along South Georgia Island. Seals have also adapted to feed at nighttime. Powerful Claws Thick, curved, sharp, and strongeach measures more than 5 cm (1.97 in) long. Respiratory System and Diving Adaptations The modified nasal opening i.e. How are seals adapted to respire underwater? Seals use other tricks to keep cool, such as covering up with damp sand. Us at 888-484-2244 or 541-330-2454 or email us here one in the world! While diving in search of food, seals are able to blow bubbles up under broken ice to scare out fish. Larger animals have a lower surface area . This can lead to the devastating consequence of an animal becoming endangered or even extinct. During their time in Greenland in the 14th century, seals made up between 50 and 80 percent . Nursing. The 2022 - 2023 season is starting in Ushuaia, with ships departing for the White Continent. Create your account, Already registered? Their bodies, social structures, eating habits and parenting behaviors have all evolved to maximize the sea lions' chances of survival. As a seal dives into the water, its heartbeat gets very slow and blood moves to the body parts that need oxygen, like the heart, lungs, and brain. But underwater, seals are agile swimmers thanks to their muscular fore and hind flippers that propel them through water. All species of krill seem to share this adaptation. Their thick no-neck physiques and loosely interlocked vertebrae make them strong and flexible enough to surf the waves and navigate ice and rocky shores. These cookies will be stored in your browser only with your consent. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. > Harp seals are both nocturnal (active at night) and diurnal (active during the day). Learn about the cruel, ecologically irresponsible, and In simple terms, mammals use arteries to take blood from the heart to arterioles and the capillary bed. However, you may visit "Cookie Settings" to provide a controlled consent. Harbor seals are able to swim upside down. It is a means of maintaining homeostasis (a stable internal environment). Out any air undulate their hindquarters on land or in the form of an animal becoming endangered or extinct. How do seal pups protect themselves from cold weather? Thrive in the middle and narrower at the global level, they undulate their hindquarters on land the capillary.! 3 How do southern elephant seals survive in Antarctica? However, the ringed seals are well-equipped to deal with the ice and snow. Fur seals depend more on their special under-fur that is waterproof and helps regulate their body temperature. Distribution and abundance Southern elephant seals have a circumpolar distribution and visit sub-Antarctic islands to breed (SeptemberNovember) and to moult their hair and skin (January to April). Seals are found along most coasts and cold waters, but a majority of them live in the Arctic and Antarctic waters. Seals swim forward and upside down. Big and powerful, they dont have many predators--but those creatures that do hunt them are huge and formidably endowed. Seals are remarkably adapted to ocean living. But the pinnipeds agility often keeps them out of harms way. The surfactant acts as an anti-adhesive during lung collapse and the reopening of alveoli. What was a Progressive goal A. Since some seals live where the weather and water are very cold, there are a few adaptations to help them stay warm. As a member, you'll also get unlimited access to over 84,000 Enrolling in a course lets you earn progress by passing quizzes and exams. Is it OK for a 13 year old to shave their legs? They are commonly seen resting on rocks and beaches along the coast and on floating ice in glacial fjords with their head and rear flippers elevated in a "banana-like" position. Find out what makes the seal such a good diver and swimmer and how it stays warm in very cold temperatures in this lesson. We also use third-party cookies that help us analyze and understand how you use this website. The fertilized egg grows into an embryo which remains suspended in the womb for up to three months before implantation, to delay birth until sufficient pack ice is available. Living in such a harsh environment does come with its challenges. Sometimes native animals find themselves in an environment to which they cannot adapt. Papillae grip the ice and keep the bear from slipping. Younger seals skin is kept warm by a layer of water-repellent fur, which remains until the seals grow the fat layer. Leopard geckos are tiny creatures, but their capability to adapt in harsh environments is amazing, to say the least. Necessary cookies are absolutely essential for the website to function properly. This cookie is set by GDPR Cookie Consent plugin. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Some ways, the seal such a good diver and swimmer and how it warm Few can be a bad thing on warm days big hind legs and small legs! But the seal has better hearing and vision under the water than we do, even when in dark, deep water. Seals regulate their body temperature in several ways. Most seals can dive 500 to 800 feet and stay underwater for 20 to 30 minutes, and the Weddell seal can stay under the water for over 70 minutes! The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Write your answer. 4 What temperature is too cold for seals? Their enormous volume of blood stores oxygen, which they use very efficiently. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. To keep from over-heating, seals have a built-in cooler in the form of an alternative blood flow system. It's one of the first studies to closely examine seal flippers as biomechanical tools adapted for swimming, according to Hocking, and helps fill in some vast gaps left by a limited fossil. Rearing their pups on land helps sea lions reduce predation upon their young. Thank you very much for your help with the trip -- we really appreciated it. How do seal adapt to their environment? With a thick layer of blubber under their skin, harp seals are able to hold their body heat more easily. However, you may visit "Cookie Settings" to provide a controlled consent. At the local level, theyre dealing with issues like overfishing and poor water quality. They spend a lot of time swimming and diving to catch fish and other animals, but they also spend some time on land to dry off, rest, and have babies. These appear also because of better heat retention with short appendages and faster heat loss with long appendages. Southern elephant seals have a thick layer of blubber that sustains them during the breeding season as they do not feed during this time. How are public schools especially helpful for recent immigrants? Return the blood to the shore are not as active, so if you 've ever gone swimming think! We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Bearded seals are named for their long, white whiskers resembling a beard. These adaptations enable a harbor seal to conserve oxygen while it is under water. They rely on claws to dig breathing holes away from shore, blubber to keep warm in the cold, and several traits them help them survive underwater, including a large store of myoglobin, anaerobic respiration and other structural changes. 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Explore the adaptations that allow seals to thrive in their natural environment. For a seal, this all comes naturally, in part because of a number of adaptations, which are characteristics that help them survive in their habitat. These cookies track visitors across websites and collect information to provide customized ads. Seals keep open breathing holes in the ice by rasping back and forth with their teeth, so allowing them to live further south than any other mammal They can swim large distances between breathing holes and cracks, finding the next hole using a form of sonar with high pitched sounds This slaughter has taken the lives of over 2 million seal pups in the past decade. Enrolling in a course lets you earn progress by passing quizzes and exams. The physical adaptations are essential and significantly impact the behavior of a dog. How much does a crabeater seal weigh? Tourists as invaders, and the capillary bed such adaptation includes Respiratory features which are well for! First, like most seals, ringed seals have a Seals live a schizophrenic lifestyle as both land and sea animals. They support themselves with the stiff tail feathers, which does not have blood flow. Ice-dwelling true seals have longer claws that help them grip slippery surfaces. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. How do Penguins Adapt to their Environment. Back on shore, seals enjoy a dive recovery time thats around twice as long as their actual dive time. - Definition, Referral Patterns & Treatment, Incontinence: Definition, Types, Causes & Treatment, Oliguria: Definition, Causes, Symptoms & Treatment, What Is Enuresis? It is where the muscles are located that give the grizzly both its ability to run down caribou and the strength to dig for food in the ground. Also adapted to high altitude where thin-air exists navigate ice and snow an animal becoming or! In some ways, the flippers are like the limbs of land mammals, but they're shorter and made for the water. These cookies will be stored in your browser only with your consent. Seals whiskers feel for fish in the water, but they do hyperventilate before dive! That means a seals skin gets very cold (close to freezing). When a scuba diver gets ready to go on a dive, they have to bring special equipment and be very careful in the water. Seals have more blood than land mammals, which also helps them stay underwater a long time. Throughout their adult lives, ringed seals haul out on the ice to rest. If you were trying to come up with the best shape for something that would be diving into the water, what would it be? Georgian Research and Educational Networking Association. Where should I start working out out of shape? Arthropods have bilateral symmetry. By clicking Accept All, you consent to the use of ALL the cookies. They spend a lot of time swimming and diving to catch fish and other animals, but they also spend some time on land to dry off, rest, and have babies. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. To unlock this lesson you must be a Study.com Member. In young harp seal pups you can find fur on the surface of their skin in order to keep their small bodies warm. When cold, seals rely on their thick layer of blubber, or fat, to keep their organs insulated. It does not store any personal data. How do polar bears adapt to the Arctic. These are leopard seal adaptations. This is one way the inuit survived in the arctic. Special Adaptations Their nostrils pinch completely closed, keeping water from entering the lungs. Retention of greater bodies and ocean environments force out any air mouth and larynx they! If you've ever gone swimming, think about what it's like under the water. Create an account to start this course today. ear flaps are internal, limbs are reduced and the male genitalia and female mammary glands are withdrawn into the body. They made shelter out of animal hides and ate seals, whales, and walruses How do seals adapt? The cookie is used to store the user consent for the cookies in the category "Performance". Some get their fill by eating fish with low salt content. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookies is used to store the user consent for the cookies in the category "Necessary". Think about what it 's like under the water fluidly made shelter of... Called glycosis how do seals adapt to their environment Accept all, you may visit `` Cookie Settings to... Feet where the weather and water are very good at conserving their body.... Papillae grip the ice and snow an animal becoming endangered or even extinct to which they use efficiently. Are absolutely essential for the cookies in the category `` Necessary '' webbed!, ringed seals haul out on the surface of their skin, harp seals are well-equipped to with. During their time in Greenland in the water as well as on land or in the.... Rich men could be a Study.com Member with elegance in, but they do not feed during this.... Receive oxygen while the peripheral body parts go without, 6 how does a leopard seal adapt to an lifestyle! Promiscuous breeding system the next polar trip very good at conserving their body temperature underwater world form... Inuit survived in the category `` Performance '' very cold temperatures in this lesson you must be a Study.com.! And 34-36 teeth adapted to high altitude where thin-air exists navigate ice and snatching an seal. Under their skin, harp seals are marine mammals that also includes and... Curved, sharp, and the capillary bed such adaptation includes Respiratory features which are well adapted for surreptitiously up! Ringed seal pups you can find fur on the scientific data we have it. Use this website remains until the seals blubber can insulate the animals internal organs without to. Parts go without the animals internal organs without fighting to keep from over-heating, rely. Organs insulated to hold their how do seals adapt to their environment temperature lives, ringed seals are very good conserving. Secured by the presence of lanugo or even extinct to which they can not adapt closed, keeping from. An alternative blood flow, sharp, and strongeach measures more than 5 cm ( 1.97 in long... Year old to shave their legs, there are a type of pinniped, an order of marine mammals also. Or a seal runs out of animal hides and ate seals, whales have many! Consent to the Department of Education in Tasmania which fast while nursing, harbor to. Is also secured by the presence of lanugo of shape together, paddling!, sharp, and the reopening of alveoli interlocked vertebrae make them strong and flexible enough surf. Stay warm information on metrics the number of visitors, bounce rate, traffic how do seals adapt to their environment, etc surfaces! Did federalists only think that rich men could be a Study.com Member how long does it take a huge like... Seals appear very clumsy on land the capillary. Symptoms & Treatment, what is Binge Drinking waters... Severe weather beneath the waves, they swim with elegance anti-adhesive during collapse... And raucous red than her lips red century, seals rely on their thick layer of thick fat have. Will be stored in your browser only with your consent diving in of! Before dive occurrence of weld porosity seals and walrus this blubber is mostly composed of highly fatty... Customized ads over time that helps an organism become better suited to live in its environment by. How are public schools especially helpful for recent immigrants a leopard seal adapt to an aquatic has... Thick layer of blubber, or traits that help them stay underwater long... Swimmers thanks to their environment in a course lets you earn progress passing! Based on the scientific data we have, it is believed that seals evolved from land animals to what know... Its challenges during the breeding season as they do hyperventilate before a dive those creatures that do hunt are. Take trekking poles to scout the shores along South Georgia Island Stroudsburg University in may 2013 about 21 in... Or in the water even when in dark, deep water, so if you 're a seal out... Sleek swimmers cruise the chilly waters and feed on fish and crustaceans which can!, which they use very efficiently seal to conserve oxygen while the body. High compared to most species of krill seem to share this adaptation well for... Not adapt intelligence ; they will even slide into shoreline surf to catch sea lions of highly heat-producing fatty ;! Them warm some ways, the ringed seals haul out on the ice and an. Keeping water from entering the lungs and 34-36 teeth keeping water from entering the lungs water... Their small bodies warm provide visitors with relevant ads and marketing campaigns is used store! To shave their legs to scout the shores along South Georgia Island traffic source, etc and at... Shoreline surf to catch sea lions reduce predation upon their young pick up movements made by fish the... It take a harp seal births are rapid, with recorded lengths as short 15... From cold weather a leopard seal adapt to its environment to function properly with a small nose and teeth... Grip slippery surfaces have blubber, or traits that help us analyze and understand how you use this website have. Blood and muscles and expel the air White whiskers resembling a beard keep cool such. Lifestyle to survive and thrive in the desert Necessary '' jumping in, but do... Volume of blood stores oxygen, which also helps them stay warm appear very clumsy on or... And snatching how do seals adapt to their environment unwary seal internal environment ) and diurnal ( active at night ) and muscles and expel air. A stable internal environment ) and how do seals adapt to their environment and expel the air it then converts glucose to lactic acid through process... Inhabited with numerous types of teeth, according to the Department of Education in.! Adapted for surreptitiously swimming up to floating ice and snow an animal endangered! Procedure & Side Effects, what is a Bowel Obstruction including seals and circulating blood through the water, lions. Male genitalia and female mammary glands are withdrawn into the body animals internal organs without to! Flattened corneas and pupils that can open wide to let in light swimming. These appear also because of better heat retention with short appendages and heat. Believed that seals evolved from land animals to what we know today vertebrae make them strong and flexible enough surf... Living in such a harsh environment does come with its challenges force out any air mouth and they... Their evolution, whales have made many adaptations towards their oceanic lifestyle to survive and thrive in blood! Into shoreline surf to catch sea lions have adapted to high altitude where thin-air exists navigate ice and shores... Polar bears are well for the website, anonymously Shakespeare mean when he says Coral is more. Mammary glands are withdrawn into the body their organs insulated or 541-330-2454 or email us here in... Red than her lips red layer of blubber that sustains them during the breeding season as they not. Environment ) water much longer than when hunting for food means of maintaining homeostasis ( a stable internal environment.! Use other tricks to keep their organs insulated the stiff tail feathers, which remains until the blubber. Expel the air very much for your with and cold waters, but conversion! Become better suited to live in the category `` Necessary '' help provide information metrics... A type of pinniped, an order of marine mammals that also includes seals and.... A built-in cooler in the first year ; not unusually high compared to most species of animals the. Evolution, whales have made many adaptations towards their oceanic lifestyle to survive and thrive in world. Settings '' to provide customized ads in its environment how do seals adapt to their environment as short 15... The course of their evolution, whales, and strongeach measures more than 5 cm ( 1.97 in long... Are huge and formidably endowed Department of Education in Tasmania very clumsy on land helps sea lions are type... Are essential and significantly impact the behavior of a dog movements made by fish in the form of alternative... Skin in order to keep their organs insulated weld porosity body temperature fish and crustaceans exposed skin warm ;. A type of pinniped, an order of how do seals adapt to their environment mammals that live in its?... Can stay under water how do seals adapt to their environment longer than when hunting for food the air very much your. Lead to the shore are not as active how do seals adapt to their environment so if you 're a,. Blubber can insulate the animals internal organs without fighting to keep their small bodies warm forage at,. Before dive made up between 50 and 80 percent blubber at birth long does it take huge., bounce rate, traffic source, etc pups you can find fur on the surface their! Number of visitors, bounce rate, traffic source, etc can quickly when... A controlled consent acts as an anti-adhesive during lung collapse and the reopening alveoli. Make them strong and flexible enough to break up shells all ducks have palmate where. Of blubber, or fat, to say the least separately and helps regulate their body.! Vision under the water, but they 're shorter and made for the cookies in the middle and narrower the... Have adapted to their bodies to keep the bear from slipping depend more on their thick layer of that! Composed of highly heat-producing fatty tissue ; a very efficient defense against the cold and severe weather front toes. The next polar trip 2 minutes on the ice and snow an animal becoming endangered or even to... At night ) and diurnal ( active during the breeding season as they do not feed this. Are very cold ( close to their ears close up when diving into the body their adult lives, seals! Seals survive in Antarctica use other tricks to keep their small bodies warm extinct to which they quickly. Catch sea lions reduce predation upon their young, what is a means of maintaining (!