But exactly what species would we be gazing lovingly at? We delve into the biggest wolves in the world. Immediately, the wolf species debate gets a little controversial. Some suggest there are ...

Gray wolves, pushed to near extinction in the 1960s, have roamed North America alongside two other wolf species—the red wolf in the southeastern U.S. and the Eastern wolf in the area surrounding the ...

The number of endangered Mexican gray wolves has increased for the ninth year in a row, but advocates say recovery isn't occurring fast enough.

Once spread across the U.S. Southeast, these clever and highly adaptive predators suffered a similar fate to that of their gray wolf cousins ... red wolves for a captive-breeding program — the species ...