indian pond heron, ardeola grayii grayii, in the nature swamp habitat, sri lanka. heron in the beautiful green grass. bird from as

animal ardeola asia asian avian bacchus beach beak beautiful bill bird blue brown chinese color conservation ecology egret environment fauna feather from grass grayii green habitat head heron india indian javan lake lanka migration morning nature ocean ornithology outdoor perching plumage pond sunny swamp thailand travel tropical water wetland white wild wildlife wing