Balancing on a tiny twig, the Barn Swallow Hirundo rustica was preening and cleaning its feathers while being blown gently by the wind in Beung Boraphet lake, Nakhon Sawan, Thailand

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 waters swamps marshes swaying beung boraphet nakhon sawan