Spotted Nutcracker hacks Swiss cembra pine cone and eats seeds, close shot

spotted nutcracker pinus cembra conifer bird pine beak wildlife pine tree swiss pine natural habitat nucifraga caryocatactes birdwatch branches cone tree nature eating close up eurasian eye woods nuts forest wood eat wilderness shell cembra food claw spring open bill diet cold feet europe skillful autumn seeds action close nutcracker behavior behaviour alps hacks summer crack