The opaque eyes and hard, crusty scales on this Eastern racer are telltale signs of snake fungal disease. 

The opaque eyes and hard, crusty scales on this Eastern racer are telltale signs of snake fungal disease. 

The opaque eyes and hard, crusty scales on this Eastern racer are telltale signs of snake fungal disease. 
The opaque eyes and hard, crusty scales on this Eastern racer are telltale signs of snake fungal disease. 
Photo courtesy of David E. Green, USGS