Angel the red-tailed hawk is leucistic, which is similar to being albino.Almost 2.5 million rad-tailed hawks call North America home, but one of those birds in Tennessee is changing how scientists think, thanks to her survival story. Angel, the red-tailed hawk, is leucistic, similar to being albino. While an albino animal loses all of its pigmentation, a leucistic animal only loses part; both conditions, scientists say, can lower survival rates. “Back in the early 2000s, scientists and conservation biologists would say that leucistic and albino animals cannot exist in the wild.” Window to Wildlife’s Connor O’Brien said. “It would be...