Great Myna or White-vented Myna Perched on Tree Trunk by Tropical Palm Leaf in Bankok

great myna acridotheres grandis whitevented myna perched tropical palm leaf tree trunk bankok bird black asian ornithology one rest tropics behavior sitting wildlife beak tropical plumage great tree branch thai closeup bangkok habitat avian white vent white vented yellow beak wild trunk looking lush geen foliage hunting sit sing open mouth bill lone