1: The largest species of them grew to about 3.6m (12 foot) high!
2: These largest ones also weighed about 250kg (550lb)
3: Most of them died out around 1500 AD, however there are still believed to be some hiding in deep parts ofNew Zealand
4: Their only predator before humans was the World's Largest Eagle (Haast Eagle)
5: You can still find their bones today if you look in the right places in New Zealand (caves, swamps and sand dunes.