heron sitting on the branch with river. green-backed green heron, butorides virescens, in the nature. heron in the dark tropic for

animal ardea aves backed beak beautiful bill bird birdwatching blue branch butorides cinerea color colorful costa dark ecology fauna feather forest france gray great green grey habitat head heron hunter large legs life marsh morning natural nature neck norway ornithology pond portrait rica river season sitting stare summer swamp sweden tree tropic virescens white wild wildlife willow wings with