one mute swan in the nest hatching eggs in spring. cygnus olor in natural environment. beauty in nature in switzerland

animal background beautiful behavior bird breeding care clutch cute cygnet cygnus ecology egg elegance environment family fauna feather female grass hatch lake laying life marsh mother mute natural nature nest nestling olor ornithology outdoor peaceful plant plumage river season sitting spring springtime sunny swan switzerland tranquility waterfowl white wild wildlife wildlifeanimal