the indian pond heron or paddybird ardeola grayii a small heron in viharamahadevi park, colombo, sri lanka

abstract animal ardeola asia avian beak biege bill bird birdwatching bright brown colombo conservation egret eye feather grayii heron india indian lake lanka migration nature ornithology paddybird park perching plumage pond sea sri stake striped viharamahadevi wading wetland white wild wildlife wings yellow