Most efforts to rescue threatened species from the risk of extinction involve decades of hard work. Even our country’s national symbol, the iconic bald eagle (Haliaeetus leucocephalus), required more than 40 years before it had recovered enough to leave the protection of the Endangered Species Act.
North America's smallest and rarest wolves will finally have the full protection of the Endangered Species Act. Well, almost. Mexican gray wolves (Canis lupus baileyi) nearly went extinct 40 years ago.