Kiritimati Kiritimati Kiritimati, or Christmas Island, is a Pacific Ocean raised coral atoll in the northern Line Islands. It is part of the Republic of Kiribati. The name "Kiritimati" is a respelling of the English word "Christmas" in the Kiribati language, in which the combination "ti" is pronounced "s", and the name is thus pronounced . The island has the greatest land area of any coral atoll in the world, about ; its lagoon is roughly the same size. The atoll is about in perimeter, while the lagoon shoreline extends for over . Kiritimati comprises over 70% of the total land
Kiritimati they are highly vulnerable to the black rat and feral cats. Given the uncertainties surrounding the introduction date and maximum population of the former, the cats seem to be the main culprits in the Kiritimati sandpiper's extinction. Given that the island was apparently settled to some extent in prehistoric times, it may already have lost bird species then. The geological data indicates that Kiritimati is quite old, was never completely underwater in the Holocene at least, and thus it might have once harbored highly distinct wetland birds. The limited overall habitat diversity on Kiritimati nonetheless limits the range of such