The great alca is extinct
Today there are many thousands of polar bears, rhinos and tigers. But these and many other animals may soon be extinct. Many animals are disappearing., Some die from dirt in the air and water. Others die from overhunting. Others die because they have nowhere to live.
Many people do everything they can to preserve animals from extinction. But if they don't, many of our favorite animals will also disappear forever, as it happened with the dodó.
The cuaga is extinct