Skip to main content

Top ten most outsized animals in the world

10 OUTSIZED ANIMALS

Largest mammal (and largest animal ever) 

blue whale
Balaenoptera musculus
30m, 170 tonnes Larger than any prehistoric giant, the blue whale would dwarf the largest known dinosaur, Argentinosaurus, which weighed a ‘mere’ 80 tonnes or so.

Largest land mammal

African elephant Loxodonta africana 7.5m, 6 tonnes

Largest reptile

saltwater crocodile Crocodylus porosus  

6.7m, 2 tonnes


Largest snake

green anaconda eunectes murinus 

6.6m, 70kg


Largest dinosaur

Argentinosaurus
estimated to be 30-35m long, 80-100 tonnes

Largest bird

ostrich struthio camelus
2.1-2.8m, 145kg

Largest insect

goliath beetle Goliathus
spp. 60-110mm, 100g

Largest fish 

Whale shark Rhincodon typus 
12.65m, 21.5 tonnes


Largest amphibian

Chinese giant salamander andrias davidianus 2m, 30kg

Largest carnivore 

southern elephant seal Mirounga leonina 3m, 4 tonnes

Comments