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 abstract Australian backdrop background branches colored coloring colors coloured colouring colours contrast contrasting display evergreen fibres fine foliage green greenery growth leaves light native nature plants shady stalks sunlight sunshine surface surfaces texture textures upright variations variety vegetation wallpaper Australia bloom bright red bush bush plant callistemon callistemon viminalis color colorful colour colourful flora flower flower-spikes full bloom nectar plant red shade shadows shrub soft stamens weeping bottlebrush wildflower appearance bark brown cracked cracks dry edge edges eucalypt eucalypts gray grey layers lines mottled rough shapes smooth textured tree tree-trunk trunk uneven white wood Australian-white-ibis bare-black-head bird 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 Ardea-picata crest crested egret fauna feathers Heron long-legged Pied Egret Pied-Heron plumage raised ruffled sleek waiting watching water wetlands-bird White-headed-Egret wildlife bush-foliage central-Australia distinctive hardy leaf native-plant outback seed-pods shrubbery wildflowers blossoms buds cap caps capsule conical flowers gum tree seed pods stamen strange tipped tips trees unusual unusual shape