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Mascarene Petrel Images
The Mascarene Petrel (Pseudobulweria aterrima) is a medium-sized, dark gadfly petrel. Also sometimes known as the Mascarene Black Petrel, this species was known from four specimens found in the nineteenth century on the island of Runion. Two birds were found dead in the 1970s, and there have been rare observations of birds in the waters south of Runion since 1964. It is also known from subfossil remains from the island of Rodrigues. This species is classified as critically endangered as it is inferred from the number of records that there is an extremely small population threatened by introduced species and light pollution.