Cathemeral

Possum

Australasia's night climbers

Opossum

America's adaptable marsupials

Quoll

Spotted night hunters of Australasia

Pika

Small body. Big whistle. Bigger grit.

Flying Squirrel

Not flyers - forest gliders

Chinstrap Penguin

Strapped for the ice, built for the surf

Tuatara

Ancient reptile, modern survivor

Sponge

Porous powerhouses of the sea

Elephant Shrew

Sengis: Africa's lightning snouts

River Turtle

Old shells, living rivers

Catfish

Whiskers, spines, and river smarts

Pademelon

Little hopper of the forest edge

Caiman

Freshwater armor, silent power

Stick Insect

Nature's living twigs and leaves

Capybara

Built to graze, born to swim

Flounder

Two eyes, one side-seafloor masters

Gila Monster

Venom by chew, built for the desert

Tree Frog

Sticky toes, big voices, forest lives

Sea Squirt

Tadpole larva, siphon-powered adult

Cuttlefish

Camouflage geniuses with built-in buoyancy

Common Toad

Warty wanderer, springtime pond pilgrim

Gharial

The long-snouted fisher of big rivers

Dingo

Australia's wild voice of the outback

Spiny Dogfish

Two spines. Slow life. Big schools.