The document discusses several extinct and endangered species. Megalodon were huge sharks that lived over 20 to 2 million years ago. Dodo birds were hunted for food by humans and went extinct. Archaeopteryx, an early bird, lived 150-155 million years ago. The Japanese sea lion went extinct in the 1950s due to hunting. The Great Auk, a large flightless bird, was hunted to extinction in the 19th century. The Great Bustard, a large ground-dwelling bird, went extinct in 1967. The Guam flying fox and Quagga subspecies of zebra also went extinct due to hunting and habitat loss. Several endangered species discussed include the American burying beet