What animals that already gone?
5. Woolly Mammoth
Holocene epoch. It was one of the last in a line of mammoth species, beginning with Mammuthus subplanifrons in the early Pliocene.
4. Dodo bird
The dodo is an extinct flightless bird that was endemic to the island of Mauritius, which is east of Madagascar in the Indian Ocean. The dodo's closest genetic relative was the also-extinct Rodrigues solitaire.
3. Tasmanian Tiger
The thylacine is an extinct carnivorous marsupial that was native to the Australian mainland and the islands of Tasmania and New Guinea. The last known live animal was captured in 1930 in Tasmania. It is commonly known as the Tasmanian tiger or the Tasmanian wolf.
2. Sabre-Toothed Tiger
A saber-tooth is any member of various extinct groups of predatory therapsids, predominantly carnivoran mammals, that are characterized by long, curved saber-shaped canine teeth which protrude from the mouth when closed.
1. Dinosaurs
Both avian and non-avian dinosaurs evolved from a more ancient group of reptiles roughly 240 million years ago, diversifying in shape and size before mostly dying out in a mass extinction event around 65 million years ago. In the so-called Mesozoic era , dinosaurs filled just about every imaginable ecological niche on land imaginable. There are three main clades of dinosaurs, or evolutionarily linked categories. Precisely how each of these relates to each other is still a matter of debate .
The clade Ornithischians includes familiar names like triceratops and stegosaurus . The term means 'bird hipped', thanks to a pelvis that looks like that of a bird. Confusingly, birds did not actually evolve from this group. Meanwhile, sauropods are the long necked, long tailed creatures like brontosaurus and diplodocus, which often grew to jaw-dropping sizes. These belong to another clade, called Saurischians, or 'lizard hipped'.
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