Nursery Group

Thanatosdrakon

Argentina's "death dragon" of the skies

Styracosaurus

A horned face full of spikes

Pterodactyl

Not dinosaurs-masters of Mesozoic skies

Dreadnoughtus

Patagonia's titan that feared nothing

Iguanodon

Thumb-spiked titan of Early Cretaceous

Polacanthus

Hip-shielded tank of the Cretaceous

Diplodocus

Jurassic icon with a double-beam tail

Sarcosuchus

Super-sized river stalker of the Cretaceous

Old House Borer

Hidden larva, big timber trouble.

Leopard Shark

Spots of the surf zone

Galapagos Shark

The drop-off guardian of island seas

White Shark

Warm-bodied ruler of the blue

Shortfin Mako Shark

Warm-blooded speed in the open sea

Great Hammerhead Shark

Biggest hammerhead, biggest comeback needed

Bronze Whaler Shark

Copper sheen, surf-zone speed.

Blacknose Shark

Spot the snout-smudge shark

Dusky Shark

Slow to grow, easy to lose

Silky Shark

Silky: the sleek shadow of tuna seas

Blacktip Reef Shark

Black tip. Bright reef. Loyal patrol.

Caribbean Reef Shark

The reef's resident requiem shark

American Wirehair

The steel-wool sweetheart

Hovasaurus

Madagascar's Triassic water-runner

Fleckvieh Cattle

Two jobs. One hardy cow.

Norway Rat

Built for cities, born to burrow