From Scientific American:
Gray wolves once roamed the entire North American continent, from the scrubby deserts of Mexico to the boreal forests of Alaska. But by the 1950s decades of overhunting and habitat loss had nearly extirpated the species in the contiguous United States. In a remarkable conservation success story, the 1973 Endangered Species Act (ESA) helped push the number back up to about 7,500 gray wolves in the lower 48 states as of 2020.
These iconic roaming carnivores are at a crossroads again, following a decision-making process initiated in 2019.