🦭
Harbour seal
Phoca vitulina
Carnivores · Least concern
vs
🐢
Leatherback turtle
Dermochelys coriacea
Reptiles · Vulnerable
One clip names both of them
1,691 views between them.
Leatherback turtle outweighs Harbour seal 4.5× — 420 kg against 94.3 kg. Both figures are averages across males and females.
Tale of the tape
Body mass
94 kg
🦭 Harbour seal · COMBINE
420 kg
🐢 Leatherback turtle · AnAge
Body length
1.81 m
🦭 Harbour seal · COMBINE
no figure yet
🐢 Leatherback turtle
Maximum lifespan
48 yr
🦭 Harbour seal · COMBINE
30 yr
🐢 Leatherback turtle · AnAge
Bars are sized against the larger of the two figures.
镜头下的动物
站内动物的实拍影像——捕猎、打斗，还有各自过日子的样子。
Shared ancestry
The closest group they share is Tetrapoda (superclass), home to 51,389 species.
We know what their shared ancestor was, but not when it lived — no dated family tree spans both of them yet.