Mute swan stands on frozen field and rubs its beak against feathers

mute swan swan white plumage bird plumage birdlife migratory wildlife cygnus olor beak birdwatching field bird watching feather one crop large land overwinter nature poland cygnus big majestic rub frozen countryside natural cold winter europe frosted without people stand pest bill behaviour clean wild nuisance static shot morning afternoon wipe sunny behavior real time copyspace copy space