One clip names both of them

9,137 views between them.

Harbour seal outweighs Eurasian otter 12× — 94.3 kg against 7.8 kg. Both figures are averages across males and females.

Tale of the tape

Body mass

7.81 kg

🦦 Eurasian otter · COMBINE

94 kg

🦭 Harbour seal · COMBINE

Body length

0.75 m

🦦 Eurasian otter · COMBINE

1.81 m

🦭 Harbour seal · COMBINE

Maximum lifespan

22 yr

🦦 Eurasian otter · COMBINE

48 yr

🦭 Harbour seal · COMBINE

Bars are sized against the larger of the two figures.

Zvířata zachycená kamerou

Skutečné záběry zvířat z tohoto webu – jak loví, jak se perou a jak si prostě žijí.

Shared ancestry

The closest group they share is Caniformia (suborder), home to 469 species.

We know what their shared ancestor was, but not when it lived — no dated family tree spans both of them yet.