One clip names both of them

1,093 views between them.

Red deer outweighs Canadian beaver 8.0× — 160 kg against 19.9 kg.

Tale of the tape

Body mass

20 kg

🦫 Canadian beaver · COMBINE

160 kg

🦌 Red deer · COMBINE

Shoulder height

no figure yet

🦫 Canadian beaver

1.13 m

🦌 Red deer

Body length

0.78 m

🦫 Canadian beaver · COMBINE

2.14 m

🦌 Red deer · COMBINE

Maximum lifespan

23 yr

🦫 Canadian beaver · COMBINE

31 yr

🦌 Red deer · COMBINE

Bars are sized against the larger of the two figures.

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).