Brown

Ornithocheirus

Bird-hand ruler of Cretaceous skies

Purussaurus

Miocene mega-caiman of South America

Allosaurus

Jurassic hunter of the Morrison

Lystrosaurus

The beaked survivor of Earth's worst crisis

Vegavis

A polar clue to waterfowl origins

Scutosaurus

Permian armor, plant-powered

Pachycephalosaurus

Built like a bipedal battering ram

Wiwaxia

Spiny armor from the Cambrian seafloor

Palaeoloxodon namadicus

The giant straight-tusked titan of Ice-Age India

Barylambda

Heavyweight of the Paleocene

Dunkleosteus

Armor-plated apex of Devonian seas

Hatzegopteryx

Hateg's giant sky-stalker

Teddy Guinea Pig

Plush coat, big squeaks, gentle charm.

Abyssinian Guinea Pig

Spikes, rosettes, and big personality

English Crested Guinea Pig

One crest. One color. Pure charm.

Peruvian Guinea Pig

The runway model of guinea pigs

Crayfish

Claws that shape freshwater worlds

Sequined Spider

Nature's tiny living disco ball

Feather Star

Feathery arms, drifting meals

Spanish Water Dog

Curly-coated worker: land and water.

Opaleye (Rudderfish)

The kelp-forest fish with an opal eye

Snailfish

Snailfishes: clingers of the cold deep

Ozark Bass

The Ozarks' star-spotted rock bass

Nutria

Orange teeth, big impact on wetlands