close up portrait, head, gyrfalcon falco rusticolus

bird falcon falconry gyrfalcon hawk hunting raptor wildlife animal avian beak eye head nature outdoors portrait predator prey white wild arctic background close closeup falco falcons feathers gerfalcon rusticolus asia hunter alaska aleutian islands zone aves carnivore chordata cold climate euro siberian region falconidae falconiformes faroe fauna finland finnmark frigid greenland hawking