One clip names both of them

1,030 views between them.

White-tailed deer outweighs Eastern gray squirrel 120× — 65.3 kg against 0.5 kg.

Tale of the tape

Body mass

0.54 kg

🐿️ Eastern gray squirrel · COMBINE

65 kg

🐃 White-tailed deer · COMBINE

Body length

0.32 m

🐿️ Eastern gray squirrel · COMBINE

1.81 m

🐃 White-tailed deer · COMBINE

Maximum lifespan

24 yr

🐿️ Eastern gray squirrel · COMBINE

23 yr

🐃 White-tailed 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).