Brown

Dodo

Mauritius' lost pigeon giant

Emperor Tamarin

The rainforest monkey with a moustache

Cotton-top Tamarin

Colombia's crested forest acrobat

Geoffroys Tamarin

Panama's cooperative twin-raiser

Pygmy Hippopotamus

Small hippo, big rainforest story

Sumatran Rhinoceros

Shaggy forest rhino-save the last two-horned Asian

Black Rhinoceros

Hook-lipped browser, hard to beat

Sumatran Elephant

Sumatra's gentle forest giant

Sparrow

Small birds, big social networks

Sperm Whale

Square head, deep dives, giant squid.

Marsh Frog

The laughing giant of the marsh

Woolly Mammoth

Built for the Ice Age grasslands

Dhole

The Whistling Pack Hunter of Asia

Aldabra Giant Tortoise

Aldabra's living island giants

Leopard Cat

Asia's adaptable little spotted hunter

Cross River Gorilla

Protect the Cross River silverback

Sumatran Orangutan

The forest's red-haired engineer

Bornean Orangutan

Borneo's forest genius in the canopy

Markhor

Corkscrew kings of the cliffs

Steller's Sea Cow

The kelp giant we lost

Stag Beetle

Antlers of the insect world

Monte Iberia Eleuth

Cuba's leaf-litter mini marvel

Sand Lizard

Green-flanked sprinter of the sands

Pike Fish

Built to ambush, born to bite.