Australian raven bare bare wires blue black carrion eaters corvids corvus coronoides crow danger electrical electrical power electrical wires electricity garbage collectors lone loud mournful omnivorous perched perching power power lines power pole predators raven scavengers shiny black wiring appearance Australian-white-ibis bare-black-head bird color coloring colour colouring common competitive downcurved-bill fairly-large ibis ibis-family odor odorous odour pest pesty strong-smell threskiornis-moluccus urban wader wading-bird water-bird white-plumage widespread black seeds cactus fruit climbing cactus colorful colors colourful colours contrast cultivated decorative dragon fruit exotic food fruit green hylocereus undatus ornamental plant pitahaya pitaya red red skin shape shapes Sizes smell strawberry pear tasty textures white flesh annoyance big eyes blow-fly bug bugs cardboard colored coloured creature diptera edge edges eyes flies fly garden greenery hairy insect insects leaf leaves metallic reflection sheen shiny transparency transparent variety wings abstract background bark black brown close-up cracked cracks dry gray grey grooves layers lines mottled peeling rough shadows sunlight surface texture textured tree tree trunk trunk uneven variations wallpaper wood appetite birds bread columba livia domestica domestic pigeon fancy pigeons fauna feathers feeders feeding feral flock garbage greedy gregarious ground feeders iridescence iridescent pests pigeon pigeon pie pigeons plumage plumage varieties prolific rock pigeon scraps