hawk owl surnia ulula in winter time, north poland, europe winter frosty day in buckthorn field

animal animals background beak beautiful bird birding birds birdwatching boreal branch brown buckthorn close closeup cold day europe eye fauna feather feathers field forest frosty hawk head hunter hunting ice looking natural nature night north northern ornithology outdoor owl perched perching poland portrait predator prey raptor sitting surnia time ulula weather wild wildlife wings winter wisdom