Which extinct animal was a close relative of modern elephants and had enormous curved tusks?

Which extinct predator is often called the "saber-toothed tiger," although it was not actually a tiger?

Which extinct animal was once hunted to extinction in the wild in the 20th century and was a subspecies of zebra?

Which of these extinct animals was a flightless bird that lived in Madagascar?

What was the main characteristic that made the quagga unusual?

The dodo was native to which island?

Which extinct animal was a giant flightless bird native to New Zealand?

Which giant ground sloth lived in the Americas during the Ice Age?