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10 endangered birds of America

By: Katherine Butler on Sept. 25, 2012, 6:18 p.m.

Photo: U.S. Fish and Wildlife Service

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The endangered millerbird, or Acrocephalus familiaris, is an elusive bird found on Nihoa Island in Hawaii. In 1923, the millerbird found on the nearby Laysan Island was believed to have gone extinct due to the introduction of rabbits. It is unclear if the millerbirds on Nihoa Island are a separate species. Nihoa birds are extremely hard to study, due to the inaccessibility of the island and fear that human inferences will harm the animals. Experts remain extremely worried about the bird’s fragile existence.