Mammal
Blue Whale
The largest animal that has ever lived
Biggest Animals
From the largest animal that has ever lived to the biggest land animals and reptiles, these heavyweights are ranked by typical adult weight. Sheer size shapes how each of these animals lives, eats, and survives.
Rankings use stats and conservation status from our species database. For IUCN categories, verify current assessments on the IUCN Red List.
