Humpbacks in the North Pacific have five new populations determined by genetics and breeding locations. They may also be removed from the Endangered Species list since their overall population has rebounded.
President Richard Nixon signed the Endangered Species Act into law in 1973, saying, "Nothing is more priceless and more worthy of preservation than the rich array of animal life with which our country has been blessed." Opponents criticize it for punishing private landowners. Some supporters say it doesn't do enough to protect whole ecosystems.