Litter Size

How many babies does a Northern fur seal have at once? (litter size)

How many baby Northern fur seals are in a litter?

A Northern fur seal (Callorhinus ursinus) usually gives birth to around 1 babies.

Each of those little ones spend around 304 days as a fetus before they are released into the wild. Upon birth, they weight 5.35 kg (11.8 lbs) and measure 12.5 cm (0′ 5″). They are a member of the Otariidae family (genus: Callorhinus). An adult Northern fur seal grows up to a size of 1.74 meter (5′ 9″).

To have a reference: Humans obviously usually have a litter size of one ;). Their babies are in the womb of their mother for 280 days (40 weeks) and reach an average size of 1.65m (5′ 5″). They weight in at 62 kg (137 lbs), which is obviously highly individual, and reach an average age of 75 years.

The average litter size of a Northern fur seal is 1

The northern fur seal (Callorhinus ursinus) is an eared seal found along the north Pacific Ocean, the Bering Sea, and the Sea of Okhotsk. It is the largest member of the fur seal subfamily (Arctocephalinae) and the only living species in the genus Callorhinus. A single fossil species, Callorhinus gilmorei, is known from the Pliocene of Japan and western North America.

Other animals of the family Otariidae

Northern fur seal is a member of the Otariidae, as are these animals:

Animals that share a litter size with Northern fur seal

Those animals also give birth to 1 babies at once:

Animals that get as old as a Northern fur seal

Other animals that usually reach the age of 35 years:

Animals with the same weight as a Northern fur seal

What other animals weight around 55.58 kg (122.54 lbs)?

Animals with the same size as a Northern fur seal

Also reaching around 1.74 meter (5′ 9″) in size do these animals: