Extinct animals have been wiped out by some kind of limiting factor, such as droughts, loss of land, flooding, or forest destruction. Some species of animals, such as the dinosaurs, are still being...
Tasmanian devils, wolfs, coyotes, dugongs, tuna, panda bears are all endangered and the saber tooth tiger is fully extinct. hope that helps :) Thylacine (marsupial of Australia); extinct, Grey Wolf,...
As the human population grows, the natural habitats of certain animals are destroyed. Hunting and fishing also affect endangered species. Or the animal is useless and wouldn't have lasted long...