Solitary

Plesiosaur

Four flippers, many lifestyles

Megatherium

The Great Beast of the Ice Age

Tully Monster

Illinois' Carboniferous mystery creature

Leedsichthys

Jurassic seas' gentle giant filter-feeder

Suchomimus

Croc-snouted hunter of Cretaceous Niger

Cave Bear

The Pleistocene cave hibernator

Cave Lion

Ice Age king of the open steppe

Psittacosaurus

Small beak, big Cretaceous success

Blue-Gray Gnatcatcher

Tail-flicking, gnat-grabbing dynamo

Whimbrel

Curved bill, epic journeys

Gomphotherium

Four tusks, many worlds, one lineage

Canada Warbler

The necklace warbler of the boreal

Red Kite

Forked tail, floating flight, comeback!

Platybelodon

The Miocene Shovel-Tusker

Daeodon

Not a pig-just terrifying teeth.

Troodon

Famous, brainy, and taxonomically tricky

Elasmotherium

The steppe rhino behind unicorn lore

Microraptor

Four wings, one big flight story

Pelagornis

Giants of the wind-swept seas

Mosasaurus

Apex lizard of the Cretaceous seas

Hyaenodon

Hyena-toothed hunters of deep time

Brontosaurus

Thunder lizard, science icon

Tyrannosaurus Rex

Late Cretaceous king of crushing bites

Brachiosaurus

The high-shouldered sky-browsing sauropod