The Red-tailed Tropicbird,Phaethon rubricauda, is a seabird that nests across the Indian and Pacific Oceans. It nests in colonies on oceanic islands. Its Maori name is Amokura. These photos were taken at the quarry on Easter Island where it was very common.
It has generally white plumage, a black crescent around the eye and a thin red tail feather. It has a bright red bill and black feet.