2011 Accipiter gentilis Andalusia animal animals apus apus attack barcelona barri de sants Beacon beak beautiful beauty bird bird bird of prey birding birds birdwatching bizarre black black cock black grouse blood-thirsty bog capercaillie catalunya closeup cock cold cruel curiosity desperately diving early endangered espanya europa eyebrow face falciot negre falconry fast fauna feather feathers flyingowl forest freeze game gorgeous grouse hawk head hunt hunter hunting incredible large Leicestershire lek lekking male mating call mating season merciless morning nature no mercy Northern Goshawk nose diving ocell open opened wings orange eyes ornithology owl portrait powerful predator prey quick raptor russia season specific silent silent fly snow Spain Španìlsko species spring spring nature spring sunrise sunrise supricing tetrao tetrao tetrix tetrix Thrush unbelievable unexpected viciously violent wild wilderness wildlife wing winter