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Animal Size

Weddell seal size: How big do they get?

How big does a Weddell seal get? Here is an overview over the average adult age:

A grown Weddell seal (Leptonychotes weddellii) reaches an average size of 2.55 meter (8′ 5″).

When born, they have an average size of 0 cm (0′ 0″). During their lifetime of about 25 years, they grow from 27.4 kg (60.4 lbs) to 400 kg (881.85 lbs). A Weddell seal has 1 babies at once. The Weddell seal (genus: Leptonychotes) is a member of the family Phocidae.

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 Weddell seal is  (8' 5

The Weddell seal (Leptonychotes weddellii) is a relatively large and abundant true seal (family: Phocidae) with a circumpolar distribution surrounding Antarctica. The Weddell seal was discovered and named in the 1820s during expeditions led by British sealing captain James Weddell to the area of the Southern Ocean now known as the Weddell Sea. The life history of this species is well documented since it occupies fast ice environments close to the Antarctic continent and often adjacent to Antarctic bases.

Animals of the same family as a Weddell seal

We found other animals of the Phocidae family:

Animals with the same size as a Weddell seal

Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Weddell seal:

Animals with the same litter size as a Weddell seal

Here is a list of animals that have the same number of babies per litter (1) as a Weddell seal:

Animals with the same life expectancy as a Weddell seal

Completely different animals, but becoming as old as a Weddell seal:

Animals with the same weight as a Weddell seal

As a comparison, here are some other animals that weight as much as the Leptonychotes weddellii: