common tern in flight. adult common terns in flight on the blue sky and rainbow background. scientific name: sterna hirundo

action active adult air animals aves avia avian background beautiful birding birds birdwatching blue common conflict fauna feathers feathery flight flit habitat hirundo ladoga lake life mates multicolor name natural nature ornithology outdoors rainbow ritual rivers russia scientific seabirds seagulls seasons sky sterna sternidae sterno summer tern terns white wild wilderness wildlife wings