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Animal Size

South American sea lion size: How big do they get?

How big does a South American sea lion get? Here is an overview over the average adult age:

A grown South American sea lion (Otaria byronia) reaches an average size of 2.12 meter (7′ 0″).

When born, they have an average size of 0 cm (0′ 0″). During their lifetime of about 24.75 years, they grow from 12.8 kg (28.22 lbs) to 194 kg (427.7 lbs). A South American sea lion has 1 babies at once. The South American sea lion (genus: Otaria) is a member of the family Otariidae.

As a reference: Humans reach an average body size of 1.65m (5′ 5″) while carrying 62 kg (137 lbs). A human woman is pregnant for 280 days (40 weeks) and on average become 75 years old.

The average adult size of a South American sea lion is  (7' 0

The South American sea lion (Otaria flavescens, formerly Otaria byronia), also called the Southern Sea Lion and the Patagonian sea lion, is a sea lion found on the Ecuadorian, Peruvian, Chilean, Falkland Islands, Argentinean, Uruguayan, and Southern Brazilian coasts. It is the only member of the genus Otaria. Its scientific name was subject to controversy, with some taxonomists referring to it as Otaria flavescens and others referring to it as Otaria byronia. The former eventually won out, although that may still be overturned. Locally, it is known by several names, most commonly lobo marino (es)/lobo marinho (pt) (sea wolf) and león marino (es)/leão marinho (pt) (sea lion) and the hair seal.

Animals of the same family as a South American sea lion

We found other animals of the Otariidae family:

Animals with the same size as a South American sea lion

Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as South American sea lion:

Animals with the same litter size as a South American sea lion

Here is a list of animals that have the same number of babies per litter (1) as a South American sea lion:

Animals with the same life expectancy as a South American sea lion

Completely different animals, but becoming as old as a South American sea lion:

Animals with the same weight as a South American sea lion

As a comparison, here are some other animals that weight as much as the Otaria byronia: