Crepuscular

Theropod

From raptors to robins: all theropod

Albertonectes

Alberta's long-necked sea swimmer

Lesser Scaup

Peaked crown, big rafts, true diver

Canvasback

Built for deep dives, born to roam

Gadwall

The "quiet" duck with a bright wing flash

Common Goldeneye

Hear the whistler, spot the gold eye

Tundra Swan

Whistling wings, tundra to tidewater

Snow Goose

Two morphs, one Arctic traveler

Wood Duck

The tree-nesting duck with a leap

Black-Bellied Whistling Duck

The whistling "tree duck" with style

Northern Pintail

Pointed tail, planet-spanning migrant

Panthera atrox (American Lion)

North America's Ice Age lion

Diprotodon

Pleistocene giant of Australia

Thylacoleo carnifex

Australia's "lion" with a marsupial bite

Sivatherium

Shiva's horned giant of giraffids

Epidexipteryx

Display-feather dinosaur of Jurassic China

Gorgosaurus

Laramidia's long-legged tyrant

Shastasaurus

Triassic titan of the open sea

Icadyptes

Eocene giant of Peru's seas

Masiakasaurus

Madagascar's forward-toothed hunter

Cervalces latifrons (Broad-Fronted Moose)

The Pleistocene's broad-browed moose

Gastornis

Eocene giant with a powerhouse beak

Thylacosmilus

The saber-tooth that wasn't a cat

Andrewsarchus

Big skull, bigger mystery