Christmas Island has the largest known colony of wedge - tailed shearwaters in the world. And it is one of the last known breeding grounds for both the Polynesian storm petrel and the Phoenix petrel.
Kiritimati saarel asub teadaolevalt suurim kiilsaba - tormilindude koloonia maailmas, lisaks on see saar arvatavasti üks viimaseid Polüneesia tormipääsu ja valgekurk - tormilinnu pesitsuspaiku maailmas.