HYDRURGA LEPTONYX PDF

Learn more about the Leopard seal – with amazing Leopard seal videos, photos and facts on Arkive. Hydrurga (Blainville, ). Environment. marine. Original description. Not documented. Taxonomic citation. WoRMS (). Hydrurga leptonyx (Blainville. Leopard seals feed primarily on krill, using their lobodont teeth to filter these small crustaceans from the water. Although krill are their primary food source.

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The leopard seal is a solitary species, both at sea and on the ice, with groups only ever being formed by temporary mating pairs and by mother and pup pairs 1 3. They also have a reinforced trachea to prevent collapse at great depth pressures.

These cadence of calls are believed to be a part of a long range acoustic display for territorial purposes, or the attraction of a potential mate. Little is known about the seasonal movements of the leopard seal, but periodic northwards movements do occur, probably in response to changes in the availability of food and the location of the pack ice.

Description & Behavior

Retrieved from ” https: Accessed December 31, at https: 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.

The scientific name of leopard seals, Hydrurga leptonyxliterally translated means ‘slender-clawed water-worker’.

North American river otter L. The Encyclopedia of Leptonux Wildlife. It is the only species in the genus Hydrurga. Rogers, Mating System polygynous Birth of leopard seal pups generally occurs between late October and November, with newborn pups measuring on average cm in length. If you have an image of similar quality that can be published under a suitable copyright licensebe leptoyx to upload it, tag it, and nominate it.

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Used mainly by aquatic invertebrates, especially plankton, but also by baleen whales.

ADW: Hydrurga leptonyx: INFORMATION

Eastern lowland olingo B. The leopard seal has a circumpolar distribution, occurring on the coast of the Antarctic continent, north throughout the pack ice where the highest densities are found, as well as around many of the sub-Antarctic islands. The ADW Team gratefully acknowledges their support.

Acoustic ecology of Antarctic pinnipeds. Around the sub-Antarctic island of South Georgiathe Antarctic fur seal Arctocephalus gazella is the main prey. Featured pictures Featured picture sets Wikipedia Picture of the day files.

They have been known to attack crabeater and fur seals in the genus Arctocephalus. Antarctic EcologyVol. For the next 4 weeks, the mother nurses her pups on an ice flow. Global Lessons from Antarctica. This species is affected by global climate change.

The leopard seal is famed for its prowess as a hunter, taking more warm-blooded prey than any other pinniped 2 6. Leopard seals are by far the largest of the antarctic seals. Attribution required by the license.

Their only known natural predators are killer whaleshowever leopard seals are rarely eaten. Range number of offspring 1 high Average number of offspring 1 Average number of offspring 1 AnAge Average gestation period days AnAge Range weaning age 4 high weeks Average age at sexual or reproductive maturity female 4 years Average age at sexual or reproductive maturity female Sex: This is a file from the Wikimedia Commons.

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WoRMS – World Register of Marine Species – Hydrurga leptonyx (Blainville, )

Breeding season The breeding lasts from December to early January. Little is known about mate acquisition in leopard seals, but vocalization is thought to play a role as males become highly vocal during the breeding season.

Female leopard seals are solely responsible for their pup once it is born. Central African oyan P. Unlike other seal species that swim by moving their hind limbs side to side, leopard seals swim gracefully using long, powerful, simultaneous strokes of the forelimbs simultaneously. 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.

Leopard seals feed on species that reside in the surface waters of the ocean, and thus are found primarily in these waters.

With this information we are able to calculate and better understand their diving leptohyx. Atilax Marsh mongoose A. Leopard seals’ heads and front flippers are extremely large in comparison to other phocids.