Brown

Katydid

Leaf-mimics with night-time songs

Brazilian Treehopper

Tiny bug, wild helmet.

Xenoceratops

Alien horns from ancient Alberta

Xenacanthus

The head-spined hunters of Pangea

Dinofelis

Moderate sabers, maximum power.

Cephalaspis

Head-shielded pioneer of vertebrates

Arthropleura

Carboniferous colossus on many legs

Dinosaurs

One name, a million body plans

Hallucigenia

Cambrian's spiky little evolution clue

Xenoposeidon

England's one-bone sauropod mystery

Dilophosaurus

The twin-crested hunter of Kayenta

Cryolophosaurus

Antarctica's crested Jurassic hunter

Xiongguanlong

A "before-the-tyrants" tyrannosauroid

Earless Monitor Lizard

Borneo's "hidden-ear" river guardian

Golden Eagle

Gold-naped master of open skies

Swallow

Masters of the open air

Swainson's Hawk

The grasshopper hawk that goes global

Short-Eared Owl

Twilight hunter of the open plains

Osprey

Nature's plunge-diving fish hawk

King Quail

Small quail, big color.

Eastern Turkey (Wild Turkey)

Big woods. Big gobble.

Bee-Eater

Color in flight, precision in the air

Elf Owl

Tiny owl, big desert night hunter

Yellowhammer

Hedgerow gold with a looping chorus