Plains

Dimetrodon

Permian sailback-before dinosaurs

Eryops

Permian powerhouse of the ponds

Deinocheirus

The terrible-handed wetland omnivore

Quetzalcoatlus northropi

Largest skies, long-necked hunter

Purussaurus

Miocene mega-caiman of South America

Allosaurus

Jurassic hunter of the Morrison

Lystrosaurus

The beaked survivor of Earth's worst crisis

Scutosaurus

Permian armor, plant-powered

Pachycephalosaurus

Built like a bipedal battering ram

Palaeoloxodon namadicus

The giant straight-tusked titan of Ice-Age India

Barylambda

Heavyweight of the Paleocene

Hatzegopteryx

Hateg's giant sky-stalker

Xiphactinus

Not a dinosaur-Cretaceous sea predator

Sequined Spider

Nature's tiny living disco ball

Spanish Water Dog

Curly-coated worker: land and water.

Khao Manee

Thailand's White Gem with jewel eyes

Yellow Crazy Ant

Small ant, supercolony impact

Nutria

Orange teeth, big impact on wetlands

Orinoco Crocodile

Orinoco's long-snouted river giant

Onager

Iran's lightning-footed onager

Kissing Bugs

Night feeder, public-health sentinel

Olingo

Neotropical night-fruit acrobats

Ember Tetra

A living ember for nano tanks

Oregon Spotted Frog

Warm-shallow wetland specialist of the PNW