Genus Pagophila, commonly known as the Ivory Gulls, is a group of bird species that belong to the family of Laridae. These birds are mainly found in the Arctic regions of the world and are easily recognizable due to their pure white plumage. Synonyms for the Genus Pagophila include the Arctic Gulls, Snow Gulls, and White Gulls. These names are derived from the bird's habitat and its distinct color. Ivory Gulls are also often referred to as "ghost birds" due to their elusive nature and the fact that they blend in easily with the snow and ice of their environment. Despite their beauty, the Ivory Gulls are a threatened species due to climate change and human disturbance.