Seals, on the other hand, build speed with their rear flippers and by moving their lower body side-to-side in a sculling motion. Live Life-span: females 26 years; males a little less. Some individuals will occasionally drift into waters off the coast of South America, New Zealand, Australia and Africa though this is uncommon. At the end of the body is a tail with two flippers. 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. Leopard seals are incredibly playful. #natgeo But the resemblance is striking. While solitary animals may appear on areas of lower latitudes, females rarely breed there. Leopard seals are solitary and widely distributed throughout the pack ice. Examples of aggressive behavior, stalking and attacks have been documented. Its stomach is light grey while its back is dark grey. Name: Leopard Seal, Sea Leopard ( Hydrurga leptonyx) Length: 2.5-3.5 metres. Males weigh up to 320kg while females weigh 370kg. 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. Leopard seals exhibit sexual dimorphism, meaning that males and females have somewhat different physical characteristics. Their massive bodies have large heads and long broad foreflippers. He will go and mate with numerous females before the breeding season ends. 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. Leopard seals are usually lonely. Females are slightly larger than males. 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 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. At three years of age a female leopard seal is sexually mature while this does not occur till the fourth year in males. 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. The females are larger than the males, but the male individuals still quite large compared to other typ… Exactly how fast can seals and sea lions swim? 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. While singing the seal hangs upside down and rocks from side to side under the water. Whereas, the ventral side of the coat are paler in color- ranging from white to light gray. It hunts and eats fish, squids, shellfish, penguins and other species of seal. The name hydrurga means "water worker" and leptonyx is the Greek for "small clawed". 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. Leopard seals are solitary outside of their mating period when large numbers gather on pack ice. T… The leopard seal appears large and muscular. The leopard seal (Hydrurga leptonyx) is easily identified by its long slim body and comparatively large fore-flippers. They are dark gray in color and can weigh up to 1,300 pounds. A notable key feature of leopard seals are their counter-shaded coats. Location: The Antarctic plus southern hemisphere shorelines. These two amazing creatures are larger than grizzly bears and are some of the top marine predators. It feeds on a wide variety of creatures. In terms of communication, seals tend to be quieter than sea lions. [3] It feeds on a wide range of prey including cephalopods, other pinnipeds, krill, birds and fish.It is the only species in the … Their bodies are long and slender, and their heads appear to be almost too large for their serpent-like bodies. One quarter of the way along the body is a flipper on each side of the body. There are also records of leopard seals attacking divers. Appearance: Mottled, dark grey on … 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. During her 11 months gestation the female stocks up on food. Pack ice is normally found in the habitats of leopard seals so that they can haul out. Size and weight. Unlike other seal species that swim by moving their hind limbs side to side, leopard seals … Females are larger than males with most males not surpassing 3m (9.8ft). 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. Size: length:- female 3.6-3.7m; male 3-3.1m weight:- female up to 370kg; male 325kg. 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… Not that I am saying that this particular beast was necessarily a leopard seal exactly, it could have been a different but similar species. They communicate through quieter grunts and whines than sea-lions, who are known for their loud barks. The leopard seals have age-related differences in their calling patterns, just like birds. Red-Tailed Guneon Swing In to the Maryland, https://dx.doi.org/10.2305/IUCN.UK.2015-4.RLTS.T10340A45226422.en. Leopard seals are potentially highly dangerous towards humans, but attacks are rarely reported. At the end of these four weeks the pup is weaned and they part ways so the female can breed again. The leopard seal is large, but smaller than the elephant seal and walrus. They are highly carnivorous mammals that belong to the family of the true seals. Young eat mainly krill. 11. 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 acoustic behavior of the leopard seal is believed to be linked to their breeding behaviour. A solitary seal, it has huge canine teeth and massive jaws. Males will vocalise to attract a mate. #terrifying #intense but still kinda #amazing. 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 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). They mate in the water after which the male leaves. 18-sep-2014 - just a size comparison. The size of the seals is 10 feet in males and 11 feet in females. 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 … The leopard seal is bold, powerful and curious. Antarctic krill (Euphausia superba), southern elephant seal (Mirounga leonina) pups and seabirds other than penguins have also been taken as prey. Their bodies are long and slender and their heads appear to be almost a little too large for their thin serpent like bodies. 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 sea lion has a big weight advantage. The leopard is sexually dimorphic, males are larger and heavier than females. They have a large, reptile-like head with a long, flexible neck. Each male seal produces individually distinctive songs. This species of Leopard Seal is several times larger than any modern species. Leopard seals are true seals and get their name from the spots that cover their fur. Along the edge of these front flippers are claws. Hydrurga leptonyx. The leopard seal’s disproportionately large head, massive jaws, impressive teeth and tremendous gape give it a snake-like appearance. Hückstädt, L. 2015. Leopard seals are very vocal underwater during the austral summer. The leopard seal is second only to the killer whale among Antarctica's top predators. Despite large size and fearsome nature of leopard seal, nearly 50% of its diet is based on the krill. Leopard seals have also been filmed eating fur seal pups. Hückstädt, L. 2015. Food: adults eat penguins, fish, squid, sea birds, krill (shrimp-like animals) and smaller seals. Leopard seals are earless seals. It is muscular, with relatively short limbs and a broad head. The IUCN Red List of Threatened Species 2015: e.T10340A45226422. Females are larger than males with most males not surpassing 3m (9.8ft). Sea lions can reach speeds of 25-30 mph! The name leopard seal, though, is sometimes also applied to other spotted seals, such as the Weddell's seal. They are very strong animals and they tend to take over the areas where they reside. Leopard seals do not normally dive deep into the water with the longest recorded dive being 15 minutes long. When sea lions swim, they propel themselves through the water using their front flippers. Which will dominate in a confrontation? 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. Crabeater weddell leopard. The seal is a true predator. Leopard seal is graceful swimmer that can reach the speed of 37 miles per hour. 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). They are about the same length as the northern walrus, but usually less than half the weight. 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. They spend most of their time in the water. Downloaded on 17 May 2020. 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)). This trait of vocalizing underwater for long periods however has made them available to acoustic surveys. Ross Island showing locations of the three Adélie penguin colonies where leopard seal observations were made, 1996–2003. Leopard seals are potentially highly dangerous towards humans, but attacks are rarely reported. The leopard seal has a distinctively long and muscular body shape, when compared to other seals. In colour, the leopard seal shades from almost black to almost blue on the flanks. Gray seals … Young leopard seals probably eat mostly krill, squid, and fish. When translated their scientific name, Hydrurga leptonyx, means ‘slender-clawed water-worker’. 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. 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. Leopard seal is an … 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. 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 … Leopard seals are apex predators presenting a potential risk to humans. The only predator of the leopard seal is the occasional killer whale and humans. Its canine teeth are 2.5 cm (1 in). A female Leopard Seal … This page was last edited on 29 March 2018, at 23:07. 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. 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. Females are slightly larger than the males. The grid is 10 km; bathymetric contour intervals are 100 m. Other prey include penguins and fish. Mating occurs between November and February in leopard seal populations. A photographer for National Geographic met one who attempted to show him how to hunt. They have long bodies (10 to 11.5 feet) and elongated heads. Leopard seal vs sea lion size. An average weight for a leopard seal is between 200 and 600kg (440 and 1,320lb). It is an extremely aggressive predator, the bane of Kairuku out on the ice floes and a surprising threat to walruses. A typical male is about 10 feet long and weighs more than 600 pounds. At the end of this she digs a hole in the pack ice where she will give birth to a single pup. 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… It is in the tribe of Lobodontini seals, and is the only species in the genus Hydrurga. 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 … Leopard seal 1: Paul Niklen 0. The leopard seal's size falls between 7.9 to 11.5 feet and 440 to 1,310 lbs for its weight. 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. 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. Some of the vocalisations made by leopard seals includes grunts and growls. Can swim up to 37 km/h. 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). 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 are solitary, and widely dispersed at low densities throughout the circumpolar Antarctic pack ice (Fig. The seal's throat is whitish, and it features black spots which give the animal its name. They feed upon other seals, krill, squid, fish, penguins and other seabirds. It is second only to the killer whale among Antarctica's top predators. 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… 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. Leopard seal is a carnivore and vicious predator. Their bodies are sinuous and their powerful jaws open widely to show extremely long canine teeth. They can also be about 11 feet long. Males stand 60–70 cm (23 1 ⁄ 2 – 27 1 ⁄ 2 in) at the shoulder, while females are 57–64 cm (22 1 … 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. 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. Waters off the coast of Antarctica provide a home for the leopard seal. 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). 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. 1. Leopard seals are carnivores. Along with all of the other earless seals, it belongs to the family Phocidae. She cares for this over a four week period in this hole. As such they swing the food from side to side so it breaks into smaller pieces. Examples of aggressive behavior, stalking and attacks have been documented. 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. How big is a leopard seal? 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 leopard seal is so-called because of its spotted markings and leopard … “Hydrurga leptonyx edit2”. It would bring him live penguins to kill and when he didn’t it demonstrated how it was done. 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