Recently the aquarium welcomed the birth of a Northern fur seal.

One of the most notable sights on the island are the northern fur seal rookeries.

This open-air exhibit lets visitors view the aquarium's Northern fur seals.

Northern fur seals are preyed upon primarily by sharks and orcas.

Among the various breeds of seals are northern fur seals, a species threatened in the wild.

Thalassoleon could be the ancestor of the modern Northern Fur Seal.

The neurotransmitter acetylcholine has been linked to hemispheric activation in northern fur seals.

Other predators include seabirds, northern fur seals, grenadiers, halibut and several species of salmon.

Northern fur seals have extreme sexual dimorphism, with males being 30-40% longer and more than 4.5 times heavier than adult females.

Very occasionally, they have been known to prey on northern fur seals, harbor seals and sea otter pups.

In 1996 West End Island became the fourth American northern fur seal rookery when a pup was born.

Genus Callorhinus (northern fur seal; one species)

Walruses, northern fur seals, sea lions dot its coastline, and bowhead whales breed in the waters just offshore.

Marine mammals such as Northern Fur Seal feed in the canyon as do many species of whales.

Steller sea lions eat northern fur seal pups, common seal pups, and birds.

The island was discovered by Gavriil Pribylov on June 25, 1786, during a search for the breeding grounds of northern fur seals.

According to biographer Dean Littlepage, a young Northern fur seal appears to be the most likely explanation for the sighting.

Northern fur seal (Callorhinus ursinus)

Like all other otariids, northern fur seals are polygynous, with some males breeding with up to 50 females in a single breeding season.

ARKive - images and movies of the northern fur seal (Callorhinus ursinus)

In 1911, Canada, Japan, Russia, and the United States signed a treaty to limit the annual harvest of northern fur seals.

These islands are home to Northern Fur Seal herds which were actively hunted by indigenous populations and later by many nationalities.

Northern fur seals have been a staple food of native northeast Asian and Alaskan Inuit peoples for thousands of years.

Northern Fur Seal (Callorhinus ursinus)

Among pinnipeds, Steller's sea lions, northern fur seals, spotted seals and harbor seals are abundant along much of the peninsula.

Recent analyses of the genetic evidence suggests that the Callorhinus ursinus is in fact more closely related to several sea lion species.

Northern fur seal (Callorhinus ursinus)

ARKive - images and movies of the northern fur seal (Callorhinus ursinus)

Northern Fur Seal (Callorhinus ursinus)

There is almost 100% prevalence of infestation of the nasal mite in the northern fur seal (Callorhinus ursinus) on the Pribilof Islands.

In the 1960s, Northern fur seals (Callorhinus ursinus) successfully recolonized San Miguel Island, making the island the 3rd American (and southernmost) breeding colony.

One species, the northern fur seal (Callorhinus ursinus) inhabits the North Pacific, while seven species in the Arctocephalus genus are found primarily in the Southern Hemisphere.

The northern fur seal (Callorhinus ursinus) is an eared seal found along the north Pacific Ocean, the Bering Sea and the Sea of Okhotsk.

The islands were first visited by Europeans in 1786 by Gavriil Pribylov, who discovered the fur seal (Callorhinus ursinus) rookeries for which they became famous, and thus became Russian territory.

American whalers took 150,000 northern fur seals (Callorhinus ursinus) from the Farallons between 1810 and 1813, followed by Russian fur hunters who lived on the Farallons and extirpated the pinnipeds from the islands.