Gray

Hook-Nosed Sea Snake

Beaked hunter of muddy coasts

Blue Racer

Blue flash of the prairie

Chinese Cobra

Hood up, hold back-Southern China's cobra

Cobras

Hood up: the true cobras

Ring-billed Gull

Spot the black ring, know the gull

Maiasaura

The "good mother" duck-bill

Uintatherium

Knobs, canines, and Eocene power

Procoptodon

Pleistocene's powerhouse kangaroos

Elasmosaurus

The long-necked lord of the seaway

Parasaurolophus

The trumpet-crested herbivore

Sauropoda

Long necks, bigger worlds

Archaeotherium

Big jaws, Oligocene badlands boss

Green Heron

Small heron, big brains at the edge

Grey Heron

Still as stone, fast as a spear

Night Heron

Night hunter with a black-crowned cap

Dire Wolf

The Pleistocene's powerhouse wolf

Archelon Turtle

Titan turtle of the inland sea

Mozambique Spitting Cobra

Spit, hood, survive.

Muttaburrasaurus

Queensland's blunt-snouted browser

Phorusrhacos

Miocene runner with a can-opener beak

Terror Bird

Run fast. Strike hard. Terror bird.

Spinosaurus

Sail-backed hunter of ancient rivers

Ceratosaurus

The horned hunter of the Morrison

Basilosaurus

The long-bodied king of Eocene seas