duel of two indian pond herons ardeola grayii from kumana national park, sri lanka. action scene from nature.birds in a natural

animal animals ardeidae ardeola asia avian beak bill bird birds branch brown couple duel environment fauna fight fish grayii green heron india indian lake lanka nature ornithology paddybird perch perched perching pond predator river sea shore small sri travel tropical water wetland white wild wildlife wing wings