Savanna

Thylacoleo

Australia's blade-toothed marsupial lion

Arabian Cobra

Arabia's hooded desert sentinel

Mozambique Spitting Cobra

Spit, hood, survive.

Australopithecus

Two legs, small brain, big legacy

Woma Python

Burrow-dwelling snake-eater of the outback

Black-headed python

Black cap. Ground hunter. Snake eater.

Pygmy python

Small python, big Pilbara survivor

Savu Python

Reticulated: the island-spanning giant

Olive python

Big river python of Australia's north

Oenpelli python

Stone-country giant of Arnhem Land

Indian python

India's river-edge giant constrictor

Timor python

The Lesser Sundas' slender constrictor

Coastal Carpet Python

Patterned climber of the east coast

Spotted python

Spots by night, constrict by might

Children's python

Small python, big night hunter

Bredl's Python

Desert-tough, rock-smart python

Krait

Silent stripes, serious venom.

Titanoboa

The rainforest boa that broke records

Phorusrhacos

Miocene runner with a can-opener beak

Arctotherium

Short-faced giants of Ice Age South America

Terror Bird

Run fast. Strike hard. Terror bird.

Spinosaurus

Sail-backed hunter of ancient rivers

Megatherium

The Great Beast of the Ice Age

Suchomimus

Croc-snouted hunter of Cretaceous Niger