autumn bare bare branches branches directional empty extensive fall large skeletal spreading tangled tree tree top turned twisted windswept blue claw-like pale blue sky abundant approaching storm bare tree birds black clouds dark evening fauna flock ibis ibises perched perching resting silhouettes storm storm-clouds tree-tops Australian raven blue black carrion eaters corvids corvus coronoides crow garbage collectors lone loud mournful omnivorous predators raven scavengers shiny black above background bare-branches budding buds contrast contrasting deciduous reaching-up silhouette spread spring stark straggly tall tips tree-top trees bald bald tree bare branched bendy branch early look through naked sprouting fence gnarled grass hill lonely twigs