showdown in flight. common terns interacting in flight. adult common terns in flight in sunset light on the white backgr

action active adult aggression air animals aves avia avian background beak birding birds common concept conflict courting cut dispute fast fauna feathers feathery fight flight flit fly habitat hirundo interacting isolated life light mates name natural nature ornithology ritual scientific seabird seagulls showdown sky sterna sternidae sunset tern terns two vertebrate white wild wilderness wildlife wings wingspan