night raven

animal atmospheric autumn bark beautiful bird blue branch calm celestial clear cloudless cold colored coniferous contrast cool crow dark darkness dim fall fir forest full gloomy glowing graphic illustration land landscape leafless lunar midnight moon moonlight moonlit mysterious nature night november october outdoors pine placid quiet raven scenery scenics september serene shadow shine sight silence silent silhouette sitting sky spruce static thicket tranquil tree treetop vector vertical view wild wilderness wood