common terns in flight. sky background. front view. scientific name: sterna hirundo. ladoga lake. russia

action air animals avian background beautiful beauty birds birdwatching common fast fauna feathers feathery flight flights flit fly front habitat hirundo ladoga lake laridae life name natural nature ornithology outdoors rivers russia scientific sea seabird seabirds seagulls seasons sky spreading sterna sterno summer tern terns view white wild wilderness wildlife wings