Pair

Clark's Grebe

White face, yellow bill-lake sprinter

Horned Grebe

Golden horns, master of the dive

Fritillary Butterfly

Four legs, endless wing stories

Pied-Billed Grebe

Thick-billed master of the marsh

Goral

Built for cliffs, not flatlands

Decorator Crab

Wear the reef. Fool the predator.

Jamaican Iguana

Jamaica's "Lazarus" Rock Iguana

Trapdoor spider

Hidden door, lightning strike.

Sehuencas Water Frog

Bolivia's stream sentinel

Stoplight Loosejaw

The deep sea's red-light hunter

Javan Leopard

Java's hidden rosettes in the mist

Limpet

Cling hard, graze smart, ride the tide.

Ostracod

Tiny shells, huge history

Kaua'i ‘Ō‘ō

The vanished voice of Kauai

Knifefish

Life in South America, powered by volts

Dimetrodon

Permian sailback-before dinosaurs

Eryops

Permian powerhouse of the ponds

Deinocheirus

The terrible-handed wetland omnivore

Quetzalcoatlus northropi

Largest skies, long-necked hunter

Ornithocheirus

Bird-hand ruler of Cretaceous skies

Purussaurus

Miocene mega-caiman of South America

Allosaurus

Jurassic hunter of the Morrison

Vegavis

A polar clue to waterfowl origins

Pachycephalosaurus

Built like a bipedal battering ram