This wolf species was once on brink of extinction. Now, 3 released pups offer hope yahoo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yahoo.com Daily Mail and Mail on Sunday newspapers.
Painstaking work helps identify the number of wolves in Arizona and New Mexico and is vital to the Mexican Wolf Recovery Program that began 25 years ago when the animals were nearly extinct.