bird breakers fly flying gull ocean sea seabird seagull storm swoop swooping water waves wind windy aggressive alert Australian common gymnorhina tibicen insectivore lookout Magpie protective sharp sharp eyed territorial watchful watching beak black-and-white gymnorhina-tibicen maggie mottled nesting nesting-material plumage scavenging scrounging sharp-eyed adolescent-bird clawed claws dark feeding grass grassed area gray grey adolescent bird black and white falcon feather kestrel nest prey wing background decay grunge home improvement plaster stucco swirls swoops texture textured textures venetian wall aggression Australia behavior behaviour hazard Melbourne nature Park sign sign signage warning wildlife abstract art backdrop banner bubbles bubbly circles concentric curls curves decorative design element floral graphics green grungy halftone illustration inks modern organic ornament ornate poster refreshing silhouette splats stain template trendy twirls vector wallpaper