Litter Size

How many babies does a Southern elephant seal have at once? (litter size)

How many baby Southern elephant seals are in a litter?

A Southern elephant seal (Mirounga leonina) usually gives birth to around 1 babies.

Each of those little ones spend around 239 days as a fetus before they are released into the wild. Upon birth, they weight 39.45 kg (86.96 lbs) and measure 3.2 cm (0′ 2″). They are a member of the Phocidae family (genus: Mirounga). An adult Southern elephant seal grows up to a size of 3.69 meter (12′ 2″).

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 Southern elephant seal is 1

The southern elephant seal (Mirounga leonina) is one of the two species of elephant seals. It is the largest member of the clade Pinnipedia and the order Carnivora, as well as the largest extant marine mammal that is not a cetacean. It gets its name from its massive size and the large proboscis of the adult male, which is used to produce very loud roars, especially during the breeding season. A bull southern elephant seal is about 40% heavier than a male northern elephant seal (Mirounga angustirostris), more than twice as heavy as a male walrus (Odobenus rosmarus), and 6–7 times heavier than the largest living terrestrial carnivorans, the polar bear (Ursus maritimus) and the Kodiak bear (Ursus arctos middendorffi).

Other animals of the family Phocidae

Southern elephant seal is a member of the Phocidae, as are these animals:

Animals that share a litter size with Southern elephant seal

Those animals also give birth to 1 babies at once:

Animals that get as old as a Southern elephant seal

Other animals that usually reach the age of 23 years:

Animals with the same weight as a Southern elephant seal

What other animals weight around 1600 kg (3527.39 lbs)?

Animals with the same size as a Southern elephant seal

Also reaching around 3.69 meter (12′ 2″) in size do these animals: