🐕
Dog
Canis familiaris
Carnivores
vs
🐻❄️
Polar bear
Ursus maritimus
Carnivores · Vulnerable
One clip names both of them
483,009 views between them.
Polar bear outweighs Dog 9.3× — 372 kg against 40 kg. Both figures are averages across males and females.
Tale of the tape
Body mass
40 kg
🐕 Dog · AnAge
372 kg
🐻❄️ Polar bear · COMBINE
Shoulder height
no figure yet
🐕 Dog
1.45 m
🐻❄️ Polar bear
Body length
no figure yet
🐕 Dog
2.25 m
🐻❄️ Polar bear · COMBINE
Top speed
no figure yet
🐕 Dog
39 km/h
🐻❄️ Polar bear
Bite force
no figure yet
🐕 Dog
2,121 N
🐻❄️ Polar bear
Maximum lifespan
27 yr
🐕 Dog · AnAge
45 yr
🐻❄️ Polar bear · 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 Caniformia (suborder), home to 469 species.
They last shared an ancestor about 33 million years ago.
Estimates range from 28 to 40 million years; the figure above is the middle estimate.
About this estimate
Dates from Upham, Esselstyn & Jetz 2019, PLoS Biology 17:e3000494 (CC0).