black raven perched eerily on a branch against a pure white backdrop

black raven glossy feathers ominous perch branch isolated white background moody mood dark tone single subject avian creature wildlife gothic elements suspenseful atmosphere mysterious aura monochromatic palette simple composition detailed textures high contrast dramatic lighting empty imagery bold silhouette graphic style art symbolism omen superstition foreboding scene creepy inspiration boards mournful bird motifs sinister noir aesthetic thriller genre