Solitary

Apple Head Chihuahua

Tiny body, mighty heart.

Japanese Squirrel

Japan's acorn cacher of the canopy

Bilby

Big ears. Big digger. Bilby.

Mexican Alligator Lizard

A cloud-forest climber in living green armor

Bighorn Sheep

Built for cliffs. Crowned with horns.

Marine Iguana

Galápagos' only sea-foraging lizard

Chinese Shar-Pei

Wrinkles with a watchful heart.

Myna Bird

Bold, brainy, and brilliantly vocal

Ivory-billed woodpecker

The legendary "ghost bird" of swamps

Laughing Kookaburra

The bush's laughing alarm clock

Eastern Phoebe

Tail-pump. Perch. "Fee-bee!"

Caiman Lizard

The snail-crusher of the Guianas

Thai Ridgeback

Thailand's ridged, ready athlete

English Pointer

Built to find birds, born to point

Greenland Shark

Ancient shark of the Arctic depths

Hoary Bat

Frosted fur. Fast flight. Far journeys.

Salmon Shark

Warm heart, cold ocean hunter

Cookiecutter Shark

The deep-sea donut-cutter

Marabou Stork

Africa's clean-up crew with a bill

Ruby-Throated Hummingbird

Tiny bird, huge journey

Thrush

Forest flutes of the world

Blue Shark

Built for the blue-water marathon

Kuvasz

White coat, bold heart, born to guard

Sand Tiger Shark

Protruding teeth, gentle glide.