cygnus bewickii. swans during a flight in the arctic zone of russia

animal arctic avian beak beautiful bewick bewickii bird birds birdwatching blue clouds columbianus cygnus elegant feelings flight flock fly flying fowl graceful lake migrant migrate migration migrations migratory nature north ornithology outdoors seasonal siberia sky spring swan tundra water waterbird waterfowl whistling white wild wilderness wildfowl wildlife wings