Common tern dunks its head and flaps wings as it bathes in shallows, low angle

common tern sterna hirundo laridae seabird aquatic habitat wetland birdspotting dutch birdlife wildlife ornithology birdlover birder birdlife nature birdwatching avian bird aves fauna animal plumage outdoors wild birding birdwatcher aquatic water wader low angle dutch wildlife no people sterna charadriiformes natural visdief angular wings nobody wet hygiene washing bird behavior