🦎
American alligator
Alligator mississippiensis
Reptiles · Least concern
vs
🦛
Hippopotamus
Hippopotamus amphibius
Mammals · Vulnerable
One clip names both of them
15 million views between them.
Hippopotamus outweighs American alligator 18× — 2,640 kg against 150 kg. Both figures are averages across males and females.
Tale of the tape
Body mass
150 kg
🦎 American alligator · AnAge
2,640 kg
🦛 Hippopotamus · COMBINE
Shoulder height
no figure yet
🦎 American alligator
1.47 m
🦛 Hippopotamus
Body length
4.6 m
🦎 American alligator · ReptTraits
5.05 m
🦛 Hippopotamus · COMBINE
Top speed
no figure yet
🦎 American alligator
24 km/h
🦛 Hippopotamus
Maximum lifespan
77 yr
🦎 American alligator · AnAge
61 yr
🦛 Hippopotamus · 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 Tetrapoda (superclass), home to 51,389 species.
We know what their shared ancestor was, but not when it lived — no dated family tree spans both of them yet.