Tan

Puertasaurus

Patagonia's giant, known from fragments

Amphicoelias Fragillimus

The lost giant of the Morrison

Theropod

From raptors to robins: all theropod

Ceratopsian

Beaks, frills, and horns: Ceratopsia!

Veery

Spiral song, epic migration.

Northern Bobwhite

Hear the whistle, save the fields.

Panthera atrox (American Lion)

North America's Ice Age lion

Diprotodon

Pleistocene giant of Australia

Thylacoleo carnifex

Australia's "lion" with a marsupial bite

Sivatherium

Shiva's horned giant of giraffids

Gorgosaurus

Laramidia's long-legged tyrant

Magyarosaurus

A little titanosaur from an island world

Masiakasaurus

Madagascar's forward-toothed hunter

Gastornis

Eocene giant with a powerhouse beak

Thylacosmilus

The saber-tooth that wasn't a cat

Andrewsarchus

Big skull, bigger mystery

Embolotherium

Asia's Eocene battering-ram giant

Dinocrocuta

Not a hyena-just built like one.

Irish Elk

The deer with antlers like doorways

Mole Crab (Sand Flea)

Burrow fast. Filter the surf.

Hammerhead Worm

Hammerhead hunters of the soil

Hairy Frogfish

Hairy master of disguise-hook, lure, gulp

Capuchin

Small hands, big brains.

Nut Weevil

Snouts that drill, larvae that dine