Silver Gull, Chroicocephalus  novaehollandiae (Bremer Bay, WA)Silver Gull, Chroicocephalus  novaehollandiae (Esperance, WA)Silver Gull, Chroicocephalus  novaehollandiae (Penguin Island, WA)Silver Gull, Chroicocephalus  novaehollandiae (Woodman Point, WA)Silver Gull, Chroicocephalus  novaehollandiae (Woodman Point, WA)Silver Gull, Larus Novaehollandiae (Penguin Island, WA)Silver Gull, Chroicocephalus  novaehollandiae (Woodman Point, WA)Silver Gull, Chroicocephalus  novaehollandiae (Mindarie Marina, WA)Silver Gull, Larus Novaehollandiae (Lake Joondalup, Perth, WA)Silver Gull, Chroicocephalus novaehollandiae (Avon River, Northam, WA)Silver Gull, Chroicocephalus  novaehollandiae (Esperance, WA)Silver Gull, Larus Novaehollandiae (Penguin Island, WA)Silver Gull, Chroicocephalus  novaehollandiae (Penguin Island, WA)Silver Gull, Chroicocephalus  novaehollandiae (Penguin Island, WA)Silver Gull, Larus Novaehollandiae (Penguin Island, WA)Silver Gull, Larus Novaehollandiae (Ocean Reef Marina, Perth, WA)Silver Gull, Chroicocephalus novaehollandiae - Ocean Reef Marina, Perth, WASilver Gull, Larus Novaehollandiae (Penguin Island, WA)Silver Gull, Larus Novaehollandiae (Lake Joondalup, Perth, WA)Silver Gull, Chroicocephalus  novaehollandiae (Woodman Point, WA)