🐻
Brown bear
Ursus arctos
Carnivores · Least concern
vs
🦫
Canadian beaver
Castor canadensis
Mammals · Least concern
One clip names both of them
240 views between them.
Brown bear outweighs Canadian beaver 12× — 241 kg against 19.9 kg.
Tale of the tape
Body mass
241 kg
🐻 Brown bear · COMBINE
20 kg
🦫 Canadian beaver · COMBINE
Shoulder height
1.2 m
🐻 Brown bear
no figure yet
🦫 Canadian beaver
Body length
2.29 m
🐻 Brown bear · COMBINE
0.78 m
🦫 Canadian beaver · COMBINE
Top speed
47 km/h
🐻 Brown bear
no figure yet
🦫 Canadian beaver
Bite force
751 N
🐻 Brown bear
no figure yet
🦫 Canadian beaver
Maximum lifespan
50 yr
🐻 Brown bear · COMBINE
23 yr
🦫 Canadian beaver · COMBINE
Bars are sized against the larger of the two figures. Bite force figures come from individual studies and vary a lot between sources.
카메라에 담긴 동물들
이 사이트에 실린 동물들의 실제 영상 — 사냥하고, 싸우고, 그냥 하루를 살아가는 모습까지 담았어요.
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).