🦬
American bison
Bison bison
Mammals · Near threatened
vs
🐃
Pronghorn
Antilocapra americana
Mammals · Least concern
One clip names both of them
10,397 views between them.
American bison outweighs Pronghorn 14× — 625 kg against 45.4 kg.
To scale
Grid at 50 cm
50 cm
1 m
1.5 m
2 m
Silhouettes: PhyloPic (CC0).
American bison
1.66 m
at the shoulder
Human
1.70 m
full standing height
for scale
Pronghorn
0.87 m
at the shoulder
Tale of the tape
Body mass
625 kg
🦬 American bison · COMBINE
45 kg
🐃 Pronghorn · COMBINE
Shoulder height
1.66 m
🦬 American bison
0.87 m
🐃 Pronghorn
Body length
2.9 m
🦬 American bison · COMBINE
1.41 m
🐃 Pronghorn · COMBINE
Top speed
52 km/h
🦬 American bison
no figure yet
🐃 Pronghorn
Maximum lifespan
33 yr
🦬 American bison · COMBINE
15 yr
🐃 Pronghorn · 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 Pecora (infraorder), home to 586 species.
They last shared an ancestor about 17 million years ago.
Estimates range from 15 to 21 million years; the figure above is the middle estimate.
About this estimate
Dates from Upham, Esselstyn & Jetz 2019, PLoS Biology 17:e3000494 (CC0).