Solitary

Ruddy Duck

Small duck, big tail attitude

Painted Bunting

Nature's living rainbow in the thickets

Least Flycatcher

Hear "che-bek," find the flycatcher.

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

Shastasaurus

Triassic titan of the open sea

Masiakasaurus

Madagascar's forward-toothed hunter

Cervalces latifrons (Broad-Fronted Moose)

The Pleistocene's broad-browed moose

Haast's Eagle

The moa-hunter of ancient New Zealand

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.

Elephant Bird

Madagascar's lost giants of the egg

Irish Elk

The deer with antlers like doorways

MacGillivray's Warbler

The Spectacled Singer of the Thickets

Kentucky Warbler

Masked jewel of the forest floor