Riverine

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

Crayfish

Claws that shape freshwater worlds

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

Ozark Bass

The Ozarks' star-spotted rock bass

Nutria

Orange teeth, big impact on wetlands

Orinoco Crocodile

Orinoco's long-snouted river giant

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

Fire Ball Python

Bright flame, classic ball python calm.

Owl Butterfly

Big wings. Bold eyes. Dusk flyers.

Killifish

Small fish, big survival strategies

Rainbow Kribs (Kribensis)

Small cichlid, big rainbow attitude

Oribi

The grassland ghost on tiptoe