Running

Ocellated Turkey

The rainforest turkey with jeweled eyes

Epicyon haydeni

Miocene muscle: the bone-crushing canid

Argentavis Magnificens

Miocene sky-giant of Argentina

Dromornis stirtoni

Australia's Miocene mega-bird

Shantungosaurus

Shandong's colossal duck-bill grazer

Puertasaurus

Patagonia's giant, known from fragments

Arambourgiania

A sky-giant with a giraffe-long neck

Theropod

From raptors to robins: all theropod

Ceratopsian

Beaks, frills, and horns: Ceratopsia!

Lesser Scaup

Peaked crown, big rafts, true diver

Northern Bobwhite

Hear the whistle, save the fields.

Tundra Swan

Whistling wings, tundra to tidewater

Snow Goose

Two morphs, one Arctic traveler

Northern Pintail

Pointed tail, planet-spanning migrant

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

Epidexipteryx

Display-feather dinosaur of Jurassic China

Gorgosaurus

Laramidia's long-legged tyrant

Hippopotamus gorgops

The high-eyed hippo of deep time

Magyarosaurus

A little titanosaur from an island world

Masiakasaurus

Madagascar's forward-toothed hunter

Cervalces latifrons (Broad-Fronted Moose)

The Pleistocene's broad-browed moose