Dodo
The dodo was a completely flightless bird.
Extinct
Woolly Mammoth
Some people want to bring the woolly mammoth back using preserved genetic evidence!
Aurochs
The ancestor of all domesticated cattle!
Tasmanian Tiger
The Tasmanian tiger could open its mouth almost 90 degrees.
Carolina Parakeet
The Carolina parakeet is one of the few parrots that lived as far north as the United States
Quagga
The quagga is a subspecies of plains zebra.
Cape Lion
Despite its large, muscular body, the Cape lion actually rests more than 20 hours a day
Oviraptor
Oviraptor means "egg thief" or "egg seizer," though they were quite protective of their own eggs.
Archelon Turtle
Archelons are the largest turtles to have ever lived in the world
Arctodus
The South American spectacled bear is its closest relative living today.
Uintatherium
The Uintatherium was an exceptionally large and exceptionally ugly ungulate that lived during the Eocene epoch
Procoptodon
The largest variety of kangaroo to have ever been discovered.
Thylacoleo
Scientists have speculated that its bite force was equivalent to that of a 551 pound lion!