Extinction is when a animal doesn't exist any more, because all of its species has died out completely..
It Can Also Be When Only A Few Animals Live But Most Are …Dead.
Just Like A Mammoth is dead. (MORE)
Extinction is the complete disappearance of a species from life. No more of that species is alive on the planet. It happens all the time; the normal rate of extinctions is cal…led the background extinction rate. Mass extinction is when a group of extinctions significantly above the background rate occurs within a short space of time. The deifnition of 'significant' varies depending on the authority, and hence anywhere from five to over twenty mass extinctions have occurred on Earth in the known past - it is probable that more have happened, but this cannot be discerned from fossil and other records because of the size of the organisms involved. (MORE)
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 dino…saurs, are still being argued over by scientists on how the became extinct. But, a few years ago, An animal that was thought to be extinct was caught off of a Japanese ocean! It as the goblin shark. It was supposed to have died out millions of years ago, but its alive. (MORE)
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 anyway, like the Dodo bird. (MORE)
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 Aust…ralia); extinct, Grey Wolf, Dodo Bird, Passenger Pigeon - hunting from sailors. Nearly extinct: Arctic Fox Asian Elephant Common Loon Cod Blue Shark Emperor Penguin Grizzly Bear Polar Bear Leopard Frog Meercat Giant Panda Orangutan (MORE)