A lone Barn Swallow Hirundo rustica is cleaning its wings and feathers while balancing itself on a tiny twig of a reed at Beung Boraphet lake in Nakhon Sawan province, Thailand

barn swallow hirundo rustica birds animals twigs reed reed bed lake water waves thailand asia southeast asia beung boraphet nakhon sawan wildlife nature natural habitat ripples wind breeze black brown bronze brown tail feathers wings perch preening marshes wetlands marshlands estuaries cleaning