A red-tailed hawk sits on the winglet of a C-17A Globemaster III assigned to the 436th Airlift Wing, Dec. 17, 2013, at Dover Air Force Base, Del. The bird-of-prey is a frequent visitor at Dover and helps control small pests such as field mice and rabbits. Elements of the Dover tail-flash painted on the C-17A can be seen behind the bird. (U.S. Air Force photo/Greg L. Davis)
A rare snowy owl flies off of a controlled movement area sign Dec. 16, 2013, at Dover Air Force Base, Del. The snowy owl was spotted by David Curtiss, 436th Airlift Wing safety office wildlife manager. Dover is well south of the snowy owl’s normal habitat, the Arctic tundra of northern Canada. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)
A rare snowy owl flies around the airfield Dec. 16, 2013, at Dover Air Force Base, Del. The snowy owl was spotted by David Curtiss, 436th Airlift Wing safety office wildlife manager. In an effort to protect Dover’s aircraft and the owl itself, Curtiss used pyrotechnics in an attempt to frighten the owl off of the airfield. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)
A rare snowy owl sits on a piece of runway electrical equipment Dec. 16, 2013, at Dover Air Force Base, Del. The snowy owl was spotted by David Curtiss, 436th Airlift Wing safety office wildlife manager. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)