Art illustration - Prehistoric Mammals - Megatherium: was a genus of elephant-sized ground sloths endemic to South America that lived from the Middle Pliocene through the end of the Pleistocene. Its size was exceeded by only a few other land mammals, including Mammoths and Paraceratherium.
The large Haast's Eagle and moa from New Zealand. The Haast's Eagle is an example of a predator that became extinct because its food source became extinct. The moa were several species of flightless birds that served as a food source to the Haast's Eagle.