The flag of Christmas Island features a striking design that represents the island's unique heritage and natural environment. Dominated by a brilliant blue and green split diagonally, the blue symbolizes the vast ocean surrounding the island, while the green represents the island's lush vegetation. At the center, a golden silhouette of the island is adorned with a booby bird, showcasing its rich wildlife. A Southern Cross constellation is depicted in the blue section, emphasizing the islands connection to the southern hemisphere. This vibrant flag beautifully encapsulates the spirit and identity of Christmas Island.