Australian beaks birds blue Cockatoos corellas demonstrative destructive docile electrical-supply electricity falconiformes fauna feathers flock garden-pest iconic native Noisy overhead-power-lines perch perching perching-birds pest pet powerlines powerpoles root-eater show-off sky suburban tail talker vocal white wildlife wires appearance Australan Australian-native-flora blooms bright budding buds bush bush-plant colored colorful coloring colors coloured colourful colouring colours display displayed flora flowers foliage greenery leaves mixed nature nectar plants protected shape shapes Sizes spring strange unusual unusual-shapes Western-Australia wildflowers