Preening to clean its wings and feathers, the Barn Swallow Hirundo rustica is resting on a tiny twig in the middle of the Beung Boraphet Lake, in Nakhon Sawan, Thailand, with other birds are flying by

barn swallow hirundo rustica bird animal water lake grass perch preening swaying twig waves breeze wind blue brown low vegetation meadows pastures aerial insectivores tail wings feathers black iridescent bronze natural habitat nature wildlife lowlands grasslands savanna insects flying