However, attacks on humans are rare. These seals are characterized by beinglarge and very voluptuous in terms of muscles, and their skin color may vary but they are mostly dark gray in the upper part of their body, while their abdomen is light gray with dark or black spotswhich resemble the sp… The leopard seal appears large and muscular. Along the edge of these front flippers are claws. But the resemblance is striking. The leopard seal, Hydrurga leptonyx, is a large, sexually dimorphic species, in which females are larger than males.The leopard seal is an unusual mammalian predator in that it takes very large-bodied prey for an animal of its body size, as well as being a filter-feeding planktivore. When hunting penguins, the leopard seal patrols the waters near the edges of the ice, almost completely submerged, waiting for the birds to enter the ocean. Licensed under CC BY 2.0 via Wikimedia Commons – http://commons.wikimedia.org/wiki/File:Leopard_Seal.jpg#mediaviewer/File:Leopard_Seal.jpg. https://dx.doi.org/10.2305/IUCN.UK.2015-4.RLTS.T10340A45226422.en. Leopard seal is a carnivore and vicious predator. There are also records of leopard seals attacking divers. Males weigh up to 320kg while females weigh 370kg. Hückstädt, L. 2015. Waters off the coast of Antarctica provide a home for the leopard seal. http://www.westarctica.wiki/index.php?title=Leopard_seal&oldid=1273, A large leopard seal attacked Thomas Orde-Lees (1877–1958), a member of Sir. Leopard seal is graceful swimmer that can reach the speed of 37 miles per hour. Can swim up to 37 km/h. The seal is a true predator. The female leopard seal digs herself a hole in the ice and the leopard seal pup is born after a gestation period of about 11 months, during the Antarctic summer time. Females are slightly larger than the males. For those that tame leopard seals, they will find them an adept amphibious mount for the ocean, with affinity for killing kairuku and storing th… Females are larger than males with most males not surpassing 3m (9.8ft). Examples of aggressive behavior, stalking and attacks have been documented. Some evidence suggests that the young leopard seals congregate together on sub Antarctic islands. They communicate through quieter grunts and whines than sea-lions, who are known for their loud barks. Leopard seals are potentially highly dangerous towards humans, but attacks are rarely reported. A solitary seal, it has huge canine teeth and massive jaws. Their back is bent, the neck and cranial thoracic region (the chest) is inflated and as they call their chest pulses. Their slender body is coloured a dark grey on top and a light grey on the bottom. Where most seals remain restricted within the pack ice throughout the year, some (mostly young animals) move further north in the austral winter to subantarctic islands and the coastlines of the southern continents. The seal's throat is whitish, and it features black spots which give the animal its name. They have long bodies (10 to 11.5 feet) and elongated heads. Around the sub-Antarctic island of South Georgia, the Antarctic fur seal (Arctocephalus gazella) is the main prey. A photographer for National Geographic met one who attempted to show him how to hunt. Appearance. It is in the tribe of Lobodontini seals, and is the only species in the genus Hydrurga. Previous reports stating the leopard seal skins its prey before feeding have been found to be incorrect. Previous studies have identified a wide range of prey items; however, due to anecdotal or otherwise limited information, leopard seal diets remain unresolved by seal sex, individual, body size… Sea lions can reach speeds of 25-30 mph! In colour, the leopard seal shades from almost black to almost blue on the flanks. Typemammaldietcarnivoreaverage life span in the wild12 to 15 yearssize10 to 115 ft 3 to 35 mweightup to 840 lbs 380 kg the leopard seal is a couple of feet longer. Along with all of the other earless seals, it belongs to the family Phocidae. One quarter of the way along the body is a flipper on each side of the body. Each male seal produces individually distinctive songs. The male seals produce loud calls (153 to 177 dB re 1 μPa at 1 m) for many hours each day. Diet: Penguins, other species of seal, krill, squid, fish. Leopard seals, Hydrurga leptonyx (Blainville, 1820), are large and impressive members of the seal family reaching between 2.41-3.38 m in length and weighing between 200-591 kg. In 2003, a leopard seal dragged snorkeling biologist Kirsty Brown of the British Antarctic Survey nearly 200 ft (61 m) underwater to her death, in what was identified as the first known human fatality from a leopard seal. The name leopard seal, though, is sometimes also applied to other spotted seals, such as the Weddell's seal. During her 11 months gestation the female stocks up on food. In the water, there is a fine line between curiosity and predatory behaviour, and it may 'play' with penguins it does not intend to eat. Higher densities of leopard seals are seen in the Western Antarctic than in other regions. As the world’s second largest species of seal the leopard seal is capable of reaching sizes between 2.4 and 3.5m (8.4-11.7ft). Paul Nicklen, a National Geographic magazine photographer, captured pictures of a leopard seal bringing live, injured, and then dead penguins to him, possibly in an attempt to teach the photographer how to hunt. Males stand 60–70 cm (23 1 ⁄ 2 – 27 1 ⁄ 2 in) at the shoulder, while females are 57–64 cm (22 1 … Its canine teeth are 2.5 cm (1 in). It is an extremely aggressive predator, the bane of Kairuku out on the ice floes and a surprising threat to walruses. Leopard seals are the third largest seal in the world Female leopard seals, the larger of the two sexes, can grow up to 590 kg (1,300 pounds) and 3.8m meters (10 feet) long. Comparison:leopard seal and sea lion Leopard seal LEOPARD SEAL Size:2,5-3,5 meters Weight: 200-600 kg They live in:Antarctic and Southern Hemisphere coasts Their prey: penguins, other seal species, krill, squid, fish. Not that I am saying that this particular beast was necessarily a leopard seal exactly, it could have been a different but similar species. A female Leopard Seal … The leopard seal is so-called because of its spotted markings and leopard … It kills the swimming bird by grabbing the feet, then shaking the penguin vigorously and beating its body against the surface of the water repeatedly until the penguin is dead. Leopard seals are usually lonely. It is second only to the killer whale among Antarctica's top predators. Adult male leopard seals have only a few stylized calls, some are like bird or cricket-like trills yet others are low haunting moans. The leopard seal (Hydrurga leptonyx), also referred to as the sea leopard, is the second largest species of seal in the Antarctic (after the southern elephant seal).Its only natural predator is the killer whale. Comparison of the size of a leopard seal (average size of 2.4–3.5 m (7.9–11.5 ft)) and a human (assumed height of 1.82 m (6 ft)). Leopard seal is an … #terrifying #intense but still kinda #amazing. Most human perceptions of leopard seals are shaped by historic encounters between humans and leopard seals, that have occurred since the Heroic Age of Antarctic exploration. Leopard seals have also been filmed eating fur seal pups. 1. Examples of aggressive behavior, stalking and attacks have been documented. Leopard seals do not normally dive deep into the water with the longest recorded dive being 15 minutes long. Leopard seals are apex predators presenting a potential risk to humans. Its front teeth are sharp like those of other carnivores, but its molars lock together in a way that allows them to sieve krill from the water, in the manner of the crabeater seal. The neck is a lighter grey and patterned with black spots. Leopard seals are potentially highly dangerous towards humans, but attacks are rarely reported. Their bodies are long and slender, and their heads appear to be almost too large for their serpent-like bodies. The leopard seal lives in the cold waters surrounding the Antarctic continent. Its stomach is light grey while its back is dark grey. They are the second largest predator in the Antarctic after the killer whale. As the world’s second largest species of seal the leopard seal is capable of reaching sizes between 2.4 and 3.5m (8.4-11.7ft). It hunts and eats fish, squids, shellfish, penguins and other species of seal. This page was last edited on 29 March 2018, at 23:07. Leopard seals are solitary, and widely dispersed at low densities throughout the circumpolar Antarctic pack ice (Fig. His companions managed to save him by repeatedly kicking the animal in the head with the spiked crampons on their boots. There are at least 18 species of true seals, including the spotted seal, the grey seal, the bearded seal, the leopard seal, the northern elephant seal, and the Hawaiian monk seal. They mate in the water after which the male leaves. 11. A counter-shaded coat is when the dorsal side of the coat is darker, than ventral side. The sea lion has a big weight advantage. They spend most of their time in the water. Food: adults eat penguins, fish, squid, sea birds, krill (shrimp-like animals) and smaller seals. The name hydrurga means "water worker" and leptonyx is the Greek for "small clawed". Unlike other seal species that swim by moving their hind limbs side to side, leopard seals … The leopard seal has a distinctively long and muscular body shape, when compared to other seals. Hydrurga leptonyx. The leopard seal is earless, about 10 to 12 feet long (females slightly larger than males), weighs between 800 and 1000 pounds, and always seems to be smiling because the edges of its mouth curl upward. The leopard seal (Hydrurga leptonyx) is easily identified by its long slim body and comparatively large fore-flippers. Females are larger than males, leopard seals are often described as looking "reptilian" a look that comes about by having their eyes somewhat to the side of their head rather than facing forwards as do other seals, they don't really have a forehead or a pronounced snout, a very large wide mouth that is upturned at the edges … Location: The Antarctic plus southern hemisphere shorelines. The leopard seals have age-related differences in their calling patterns, just like birds. The IUCN Red List of Threatened Species 2015: e.T10340A45226422. Appearance: Mottled, dark grey on … Name: Leopard Seal, Sea Leopard ( Hydrurga leptonyx) Length: 2.5-3.5 metres. How big is a leopard seal? The acoustic behavior of the leopard seal is believed to be linked to their breeding behaviour. The IUCN Red List of Threatened Species 2015: e.T10340A45226422. Pack ice is normally found in the habitats of leopard seals so that they can haul out. The leopard seal’s disproportionately large head, massive jaws, impressive teeth and tremendous gape give it a snake-like appearance. Ross Island showing locations of the three Adélie penguin colonies where leopard seal observations were made, 1996–2003. So, in leopard seals they have a silver to dark gray blended coat that make up its distinctive "leopard" coloration. The leopard seal is second only to the killer whale among Antarctica's top predators. Females are larger than males with most males not surpassing 3m (9.8ft). When sea lions swim, they propel themselves through the water using their front flippers. When translated their scientific name, Hydrurga leptonyx, means ‘slender-clawed water-worker’. They are difficult to survey by traditional visual techniques because they spend long periods of time vocalizing under the water during the austral spring and summer - when visual surveys are carried out. At the end of these four weeks the pup is weaned and they part ways so the female can breed again. Type:MammalDiet:CarnivoreAverage life span in the wild:12 to 15 yearsSize:10 to 11.5 ft (3 to 3.5 m)Weight:Up to 840 lbs (380 kg) * The leopard seal is a couple of feet longer. Mating occurs between November and February in leopard seal populations. Some of the vocalisations made by leopard seals includes grunts and growls. The leopard seal is bold, powerful and curious. A typical female is about 12 feet long and weighs up to 1,100 pounds. 2.4-3.5 m. Leopard seals are the largest by far of the Antarctic seals. Leopard seals are solitary and widely distributed throughout the pack ice. Generally it feeds on krill, which it strains from the water with its specialized teeth. They are about the same length as the northern walrus, but usually less than half the weight. Notable incidents include: Leopard seals have shown a predilection for attacking the black, torpedo-shaped pontoons of rigid inflatable boats, necessitating researchers to equip their craft with special protective guards to prevent them from being punctured. Leopard seal 1: Paul Niklen 0. A notable key feature of leopard seals are their counter-shaded coats. They can also be found along the coast of the sub-Antarctic islands. They are dark gray in color and can weigh up to 1,300 pounds. Size: length:- female 3.6-3.7m; male 3-3.1m weight:- female up to 370kg; male 325kg. Some individuals will occasionally drift into waters off the coast of South America, New Zealand, Australia and Africa though this is uncommon. Leopard seals are earless seals. The baby seals weigh about 35 kilograms (77 pounds) and double in size within the first three months of life. They arrange their few call types into individually distinctive sequences (or songs). Which will dominate in a confrontation? Their massive bodies have large heads and long broad foreflippers. While singing the seal hangs upside down and rocks from side to side under the water. This trait of vocalizing underwater for long periods however has made them available to acoustic surveys. The only predator of the leopard seal is the occasional killer whale and humans. Whereas, the ventral side of the coat are paler in color- ranging from white to light gray. While solitary animals may appear on areas of lower latitudes, females rarely breed there. [3] It feeds on a wide range of prey including cephalopods, other pinnipeds, krill, birds and fish.It is the only species in the … The leopard seal's size falls between 7.9 to 11.5 feet and 440 to 1,310 lbs for its weight. Young leopard seals probably eat mostly krill, squid, and fish. In male seals, vocalizing coincides with the timing of their breeding season, which falls between November and the first week of January; captive female seals vocalize when they have elevated reproductive hormones. Gray seals … The overall length of this seal is 2.4–3.5 m (7.9–11.5 ft) and weight is from 200 to 600 kilograms (440 to 1,320 lb). Leopard seals are true seals and get their name from the spots that cover their fur. Their bodies are sinuous and their powerful jaws open widely to show extremely long canine teeth. Adult seals probably switch from krill to more substantial prey, including king, adelie, rockhopper, gentoo, emperor, and chinstrap penguins, and less frequently, Weddell, crabeater, Ross, and young Southern elephant seals. At three years of age a female leopard seal is sexually mature while this does not occur till the fourth year in males. This species is well known as one of the top predators at the Antarctic ice edge.Though it is not the largest seal in its range (the southern elephant seal is much larger), the leopard Seal’s willingness to attack large prey has given it a … These two amazing creatures are larger than grizzly bears and are some of the top marine predators. Hückstädt, L. 2015. Leopard seals are very dangerous and they regularly attack and kill penguins the size of a large child: there are cases on record of them killing human beings. It feeds on a wide variety of creatures. The females give birth to a single pup during the austral summer on the floating ice floes of the Antarctic pack ice, and protect their pups until they are able to fend for themselves. “Hydrurga leptonyx edit2”. Life-span: females 26 years; males a little less. Leopard seals are very vocal underwater during the austral summer. Young eat mainly krill. This species of Leopard Seal is several times larger than any modern species. The females are larger than the males, but the male individuals still quite large compared to other typ… The Leopard Seal is the second largest of all seals out there. Hydrurga leptonyx. The grid is 10 km; bathymetric contour intervals are 100 m. However, as the name implies, it is far more leopard than seal in temperament. She cares for this over a four week period in this hole. In 1985, Scottish explorer Gareth Wood was bitten twice on the leg when a leopard seal tried to drag him off the ice and into the sea. The size of the seals is 10 feet in males and 11 feet in females. Leopard seal. Males will vocalise to attract a mate. This species of seal is known for its massive head and jaws that allow it to be one of the top predators in its environment. The leopard seal (Hydrurga leptonyx), also referred to as the sea leopard, is the second largest species of seal in the Antarctic (after the southern elephant seal). They are highly carnivorous mammals that belong to the family of the true seals. At the end of the body is a tail with two flippers. He will go and mate with numerous females before the breeding season ends. It would bring him live penguins to kill and when he didn’t it demonstrated how it was done. Crabeater weddell leopard. Leopard seals are solitary outside of their mating period when large numbers gather on pack ice. They feed upon other seals, krill, squid, fish, penguins and other seabirds. As such they swing the food from side to side so it breaks into smaller pieces. Downloaded on 17 May 2020. Seals, on the other hand, build speed with their rear flippers and by moving their lower body side-to-side in a sculling motion. They are very strong animals and they tend to take over the areas where they reside. Live Females are slightly larger than males. Antarctic krill (Euphausia superba), southern elephant seal (Mirounga leonina) pups and seabirds other than penguins have also been taken as prey. Resolving the preferred prey items and dietary proportions of leopard seals is central to understanding food-web dynamics in the rapidly-warming Antarctic Peninsula region. Leopard seals are carnivores. In terms of communication, seals tend to be quieter than sea lions. Advertisement. Lacking the teeth necessary to slice its prey into manageable pieces, it flails its prey from side to side tearing and ripping it into smaller pieces. It is muscular, with relatively short limbs and a broad head. Red-Tailed Guneon Swing In to the Maryland, https://dx.doi.org/10.2305/IUCN.UK.2015-4.RLTS.T10340A45226422.en. They can also be about 11 feet long. They do not have teeth which can slice prey into manageable pieces. Despite large size and fearsome nature of leopard seal, nearly 50% of its diet is based on the krill. Exactly how fast can seals and sea lions swim? At the end of this she digs a hole in the pack ice where she will give birth to a single pup. Leopard seals are incredibly playful. Size and weight. 18-sep-2014 - just a size comparison. Where the younger male seals have many different types of variable calls - the adult male seals have only a few, highly stylized calls. Leopard seals exhibit sexual dimorphism, meaning that males and females have somewhat different physical characteristics. A typical male is about 10 feet long and weighs more than 600 pounds. Other prey include penguins and fish. The leopard is sexually dimorphic, males are larger and heavier than females. T… Leopard seal vs sea lion size. The leopard seal is large, but smaller than the elephant seal and walrus. An average weight for a leopard seal is between 200 and 600kg (440 and 1,320lb). Advertisement. #natgeo When catching prey such as penguins they grab them by the feet and shake them vigorously then slap them against the surface of the water. 2; Rogers et al., 2013).When the sea ice extent is minimal, leopard seals are restricted to coastal habitats (Meade et al., 2015).While the majority of the leopard seal population remains within the pack ice (Rogers et al., 2013), seals … They have a large, reptile-like head with a long, flexible neck. Little Rhino Calf Joins the Family at The Wilds, Red-Tailed Guneon Swing In to the Maryland Zoo, Monarto Celebrate 20 years of Rhino Conservation. Their bodies are long and slender and their heads appear to be almost a little too large for their thin serpent like bodies. Licensed under CC BY-SA 3.0 via Wikimedia Commons – http://commons.wikimedia.org/wiki/File:Hydrurga_leptonyx_edit2.jpg#mediaviewer/File:Hydrurga_leptonyx_edit2.jpg, “Leopard Seal” by cyfer13 – IMG_1968. 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