🧍
Human
Homo sapiens
Primates · Least concern
vs
🦦
Sea otter
Enhydra lutris
Carnivores · Endangered
One clip names both of them
107 views between them.
Human outweighs Sea otter 2.3× — 62 kg against 27.4 kg. Both figures are averages across males and females.
Tale of the tape
Body mass
62 kg
🧍 Human · AnAge
27 kg
🦦 Sea otter · COMBINE
Body length
no figure yet
🧍 Human
0.35 m
🦦 Sea otter · COMBINE
Top speed
38 km/h
🧍 Human
no figure yet
🦦 Sea otter
Bite force
843 N
🧍 Human
no figure yet
🦦 Sea otter
Maximum lifespan
123 yr
🧍 Human · AnAge
30 yr
🦦 Sea otter · COMBINE
Bars are sized against the larger of the two figures. Bite force figures come from individual studies and vary a lot between sources.
Animals caught on camera
Real footage of the animals on this site — hunting, fighting, and getting on with it.
Shared ancestry
The closest group they share is Theria (subclass), home to 9,319 species.
They last shared an ancestor about 81 million years ago.
Estimates range from 74 to 89 million years; the figure above is the middle estimate.
About this estimate
Dates from Upham, Esselstyn & Jetz 2019, PLoS Biology 17:e3000494 (CC0).