Valley

Supersaurus

Jurassic length, Morrison legend

Shantungosaurus

Shandong's colossal duck-bill grazer

Puertasaurus

Patagonia's giant, known from fragments

Amphicoelias Fragillimus

The lost giant of the Morrison

Theropod

From raptors to robins: all theropod

Argentinosaurus

Patagonia's almost-unfathomable giant

Ceratopsian

Beaks, frills, and horns: Ceratopsia!

Lesser Scaup

Peaked crown, big rafts, true diver

Dickcissel

Prairie singer, South America traveler

Canvasback

Built for deep dives, born to roam

Veery

Spiral song, epic migration.

Gadwall

The "quiet" duck with a bright wing flash

Western Kingbird

Yellow-bellied tyrant of the fence line

Northern Bobwhite

Hear the whistle, save the fields.

Common Goldeneye

Hear the whistler, spot the gold eye

Scissor-tailed Flycatcher

The prairie bird with scissors for a tail

Anhinga

Spears fish, then sun-dries in style

Hammond's flycatcher

Hear it to name it: Hammond's Empid

Loggerhead Shrike

Songbird with a raptor's toolbox

Ruddy Duck

Small duck, big tail attitude

Wood Duck

The tree-nesting duck with a leap

Northern Pintail

Pointed tail, planet-spanning migrant

Least Flycatcher

Hear "che-bek," find the flycatcher.

Panthera atrox (American Lion)

North America's Ice Age lion