Extinct

Possibly the most famous extinct animal, the dodo looked very different to modern interpretations.

One of the most savage and merciless predators to walk the earth, the cause of death of the sabre-toothed tiger is still a mystery.

New research suggests that this ancient giant may not have died with the Ice Age, but rather a human virus may have wiped out the mammoth.

Great auks, smaller and lighter than sperm whales, have a hydrodynamic design allowing them to move like torpedoes under water.

The Irish elk, with its 12-foot antlers, suffered at the end of the Ice Age.

The Tasmanian tiger was an incredible creature that had the head of a wolf, the stripes of a tiger and the body of a dog, and survived for nearly 25 million years.