Christmas Island, part of the New Year Group, is a 63.49-hectare (156.9-acre) granite island located in the Great Australian Bight, lying off the north-west coast of Tasmania, Australia.

[2][3]: 50–51 Breeding seabird and shorebird species include little penguin, short-tailed shearwater, Pacific gull, silver gull, sooty oystercatcher, pied oystercatcher and black-faced cormorant.

Reptiles include tiger snakes and lizards.

[3]: 47–49 The island forms part of the King Island Important Bird Area because of its importance for breeding seabirds and waders.

[4] According to the International Hydrographic Organization, the line separating the Bass Strait from the Great Australian Bight runs through King Island, so Christmas Island lies in the Great Australian Bight.