As Ron Sutherland guides his Subaru along the roads of Alligator River National Wildlife Refuge, he keeps his eyes peeled. A pair of binoculars sits in the cupholder, ready just in case he notices a red smudge dotted against the browns and tans of the refuge’s still-working farm fields, everything shaded by a golden sunrise. “It’s 44 degrees. I think a wolf could just be sitting out in the middle of a field chilling,” said Sutherland, the chief scientist of the nonprofit Wildlands Network. Days before, Sutherland and researchers from N.C. State University had published a paper observing a corr…