These two amazing creatures are larger than grizzly bears and are some of the top marine predators. Females are larger than males with most males not surpassing 3m (9.8ft). 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. 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. They do not have teeth which can slice prey into manageable pieces. The neck is a lighter grey and patterned with black spots. Ross Island showing locations of the three Adélie penguin colonies where leopard seal observations were made, 1996–2003. But the resemblance is striking. Along the edge of these front flippers are claws. They can also be about 11 feet long. Appearance. Leopard seals do not normally dive deep into the water with the longest recorded dive being 15 minutes long. Females are slightly larger than males. Their bodies are long and slender, and their heads appear to be almost too large for their serpent-like bodies. The females are larger than the males, but the male individuals still quite large compared to other typ… Leopard seals exhibit sexual dimorphism, meaning that males and females have somewhat different physical characteristics. They are very strong animals and they tend to take over the areas where they reside. Life-span: females 26 years; males a little less. They are the second largest predator in the Antarctic after the killer whale. 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. Some evidence suggests that the young leopard seals congregate together on sub Antarctic islands. Gray seals … The name hydrurga means "water worker" and leptonyx is the Greek for "small clawed". Leopard seals are potentially highly dangerous towards humans, but attacks are rarely reported. 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. The acoustic behavior of the leopard seal is believed to be linked to their breeding behaviour. The baby seals weigh about 35 kilograms (77 pounds) and double in size within the first three months of life. Leopard seal is a carnivore and vicious predator. 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). Waters off the coast of Antarctica provide a home for the leopard seal. A solitary seal, it has huge canine teeth and massive jaws. Their bodies are sinuous and their powerful jaws open widely to show extremely long canine teeth. 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 only predator of the leopard seal is the occasional killer whale and humans. Their bodies are long and slender and their heads appear to be almost a little too large for their thin serpent like bodies. Sea lions can reach speeds of 25-30 mph! Their massive bodies have large heads and long broad foreflippers. The size of the seals is 10 feet in males and 11 feet in females. T… 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. 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 incredibly playful. The sea lion has a big weight advantage. 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. Crabeater weddell leopard. 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. He will go and mate with numerous females before the breeding season ends. Some individuals will occasionally drift into waters off the coast of South America, New Zealand, Australia and Africa though this is uncommon. Antarctic krill (Euphausia superba), southern elephant seal (Mirounga leonina) pups and seabirds other than penguins have also been taken as prey. Leopard seals are solitary, and widely dispersed at low densities throughout the circumpolar Antarctic pack ice (Fig. One quarter of the way along the body is a flipper on each side of the body. Leopard seal is an … In colour, the leopard seal shades from almost black to almost blue on the flanks. A female Leopard Seal … Pack ice is normally found in the habitats of leopard seals so that they can haul out. A counter-shaded coat is when the dorsal side of the coat is darker, than ventral side. Diet: Penguins, other species of seal, krill, squid, fish. It is an extremely aggressive predator, the bane of Kairuku out on the ice floes and a surprising threat to walruses. The leopard seal’s disproportionately large head, massive jaws, impressive teeth and tremendous gape give it a snake-like appearance. They can also be found along the coast of the sub-Antarctic islands. They feed upon other seals, krill, squid, fish, penguins and other seabirds. Leopard seals are solitary and widely distributed throughout the pack ice. The grid is 10 km; bathymetric contour intervals are 100 m. 18-sep-2014 - just a size comparison. Examples of aggressive behavior, stalking and attacks have been documented. Hydrurga leptonyx. It feeds on a wide variety of creatures. They spend most of their time in the water. 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). Leopard seals are very vocal underwater during the austral summer. The leopard seal has a distinctively long and muscular body shape, when compared to other seals. Leopard seal vs sea lion size. It hunts and eats fish, squids, shellfish, penguins and other species of seal. Males weigh up to 320kg while females weigh 370kg. During her 11 months gestation the female stocks up on food. 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. Other prey include penguins and fish. They are about the same length as the northern walrus, but usually less than half the weight. The Leopard Seal is the second largest of all seals out there. Leopard seals are usually lonely. The leopard seal is large, but smaller than the elephant seal and walrus. Leopard seals are carnivores. 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. Young leopard seals probably eat mostly krill, squid, and 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. Adult male leopard seals have only a few stylized calls, some are like bird or cricket-like trills yet others are low haunting moans. At the end of these four weeks the pup is weaned and they part ways so the female can breed again. The seal's throat is whitish, and it features black spots which give the animal its name. An average weight for a leopard seal is between 200 and 600kg (440 and 1,320lb). 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 … Leopard seal. It is muscular, with relatively short limbs and a broad head. 11. Location: The Antarctic plus southern hemisphere shorelines. This page was last edited on 29 March 2018, at 23:07. The leopard seal is so-called because of its spotted markings and leopard … Generally it feeds on krill, which it strains from the water with its specialized teeth. The leopard seals have age-related differences in their calling patterns, just like birds. 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… Leopard seal 1: Paul Niklen 0. They arrange their few call types into individually distinctive sequences (or songs). 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. The leopard is sexually dimorphic, males are larger and heavier than females. The seal is a true predator. In terms of communication, seals tend to be quieter than sea lions. When sea lions swim, they propel themselves through the water using their front flippers. Size: length:- female 3.6-3.7m; male 3-3.1m weight:- female up to 370kg; male 325kg. 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. She cares for this over a four week period in this hole. Leopard seals are solitary outside of their mating period when large numbers gather on pack ice. Unlike other seal species that swim by moving their hind limbs side to side, leopard seals … Whereas, the ventral side of the coat are paler in color- ranging from white to light gray. #terrifying #intense but still kinda #amazing. 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. 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. They are dark gray in color and can weigh up to 1,300 pounds. Leopard seals are earless seals. A typical male is about 10 feet long and weighs more than 600 pounds. Females are larger than males with most males not surpassing 3m (9.8ft). Along with all of the other earless seals, it belongs to the family Phocidae. #natgeo 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. They mate in the water after which the male leaves. 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. 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. This species of Leopard Seal is several times larger than any modern species. The IUCN Red List of Threatened Species 2015: e.T10340A45226422. Males stand 60–70 cm (23 1 ⁄ 2 – 27 1 ⁄ 2 in) at the shoulder, while females are 57–64 cm (22 1 … Live Name: Leopard Seal, Sea Leopard ( Hydrurga leptonyx) Length: 2.5-3.5 metres. The name leopard seal, though, is sometimes also applied to other spotted seals, such as the Weddell's seal. The leopard seal's size falls between 7.9 to 11.5 feet and 440 to 1,310 lbs for its weight. However, attacks on humans are rare. https://dx.doi.org/10.2305/IUCN.UK.2015-4.RLTS.T10340A45226422.en. Young eat mainly krill. So, in leopard seals they have a silver to dark gray blended coat that make up its distinctive "leopard" coloration. Where the younger male seals have many different types of variable calls - the adult male seals have only a few, highly stylized calls. Each male seal produces individually distinctive songs. Red-Tailed Guneon Swing In to the Maryland, https://dx.doi.org/10.2305/IUCN.UK.2015-4.RLTS.T10340A45226422.en. Previous reports stating the leopard seal skins its prey before feeding have been found to be incorrect. Licensed under CC BY 2.0 via Wikimedia Commons – http://commons.wikimedia.org/wiki/File:Leopard_Seal.jpg#mediaviewer/File:Leopard_Seal.jpg. Hydrurga leptonyx. Appearance: Mottled, dark grey on … 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. They have a large, reptile-like head with a long, flexible neck. Can swim up to 37 km/h. 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. 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 … The leopard seal appears large and muscular. Leopard seals are potentially highly dangerous towards humans, but attacks are rarely reported. While singing the seal hangs upside down and rocks from side to side under the water. 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. 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. There are also records of leopard seals attacking divers. 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)). 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. It is in the tribe of Lobodontini seals, and is the only species in the genus Hydrurga. Leopard seal is graceful swimmer that can reach the speed of 37 miles per hour. At the end of the body is a tail with two flippers. Some of the vocalisations made by leopard seals includes grunts and growls. Its canine teeth are 2.5 cm (1 in). 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). Size and weight. “Hydrurga leptonyx edit2”. 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… Its stomach is light grey while its back is dark grey. The leopard seal is second only to the killer whale among Antarctica's top predators. 2.4-3.5 m. Leopard seals are the largest by far of the Antarctic seals. Their slender body is coloured a dark grey on top and a light grey on the bottom. 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. 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. Hückstädt, L. 2015. Seals, on the other hand, build speed with their rear flippers and by moving their lower body side-to-side in a sculling motion. It would bring him live penguins to kill and when he didn’t it demonstrated how it was done. Their back is bent, the neck and cranial thoracic region (the chest) is inflated and as they call their chest pulses. [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 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. At the end of this she digs a hole in the pack ice where she will give birth to a single pup. His companions managed to save him by repeatedly kicking the animal in the head with the spiked crampons on their boots. Food: adults eat penguins, fish, squid, sea birds, krill (shrimp-like animals) and smaller seals. Mating occurs between November and February in leopard seal populations. Around the sub-Antarctic island of South Georgia, the Antarctic fur seal (Arctocephalus gazella) is the main prey. They communicate through quieter grunts and whines than sea-lions, who are known for their loud barks. 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. The leopard seal is bold, powerful and curious. Leopard seals are true seals and get their name from the spots that cover their fur. Leopard seals are apex predators presenting a potential risk to humans. Females are slightly larger than the males. Exactly how fast can seals and sea lions swim? At three years of age a female leopard seal is sexually mature while this does not occur till the fourth year in males. Downloaded on 17 May 2020. 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. 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… Which will dominate in a confrontation? While solitary animals may appear on areas of lower latitudes, females rarely breed there. A photographer for National Geographic met one who attempted to show him how to hunt. The leopard seal lives in the cold waters surrounding the Antarctic continent. Hückstädt, L. 2015. How big is a leopard seal? They have long bodies (10 to 11.5 feet) and elongated heads. When translated their scientific name, Hydrurga leptonyx, means ‘slender-clawed water-worker’. Leopard seals have also been filmed eating fur seal pups. Males will vocalise to attract a mate. They are highly carnivorous mammals that belong to the family of the true seals. Higher densities of leopard seals are seen in the Western Antarctic than in other regions. 1. Advertisement. It is second only to the killer whale among Antarctica's top predators. As such they swing the food from side to side so it breaks into smaller pieces. A typical female is about 12 feet long and weighs up to 1,100 pounds. This trait of vocalizing underwater for long periods however has made them available to acoustic surveys. 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. 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. 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. Advertisement. 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. 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 … A notable key feature of leopard seals are their counter-shaded coats. The leopard seal (Hydrurga leptonyx) is easily identified by its long slim body and comparatively large fore-flippers. The IUCN Red List of Threatened Species 2015: e.T10340A45226422. 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