a crow or raven in front of a the moon on a tree branch in a mysterious and chilling atmosphere

ai-generated air animal art atmosphere aura backdrop beak bird bird's black blue branch captures casting chilling crow crow's darkness desolate drawing eagle emerges ethereal form front glow hangs harmony haunting hidden hinting like lunar monochrome moon mysterious mystery night ominous perched raven scene secrets shroud silhouette sketch stark tableau tree unsettling wildlife wing winter