Flock Of Grey Starling Birds Resting On Bare Tree Branches While Preening Themselves In Tokyo, Japan

preening perching preen birds whitecheeked starling grey starling sturnus cineraceus bare trees starling branches flock plumage wildlife leafless selective focus plume spodiopsar cineraceus grooming nat geo feathers nature resting tree habitat winter wings daytime animal behavior environment season natural outdoor forest woods park background tranquil bokeh bare creature nobody idyllic cleaning landscape tourism japan clean tokyo