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Seychelles Swiftlet
The Seychelles swiftlet (''Aerodramus elaphrus'') is a small bird of the swift family. It is found only in the Seychelles Islands in the Indian Ocean. It is 10–12 cm long with a wingspan of 28 cm and a weight of about 10 g. The upperparts are dark grey-brown and are slightly paler on the rump. The underparts are pale grey-brown, darkest on the undertail-coverts. The bill and legs are black. The tail is dark and slightly forked. The wings are long and narrow but are less pointed than those of the other swift species which sometimes visit the islands. A soft, twittering call is given in flight by feeding flocks and the birds also have a low-pitched, metallic clicking call used for echolocation in caves. The Seychelles swiftlet is related to the smaller, paler Mascarene swiftlet (''Aerodramus francicus'') of Mauritius and Réunion and has been treated as a subspecies of it in the past. The two are thought to have separated about 500,000 years ago. The Seychelles swift ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harry Church Oberholser
Harry Church Oberholser (June 25, 1870 – December 25, 1963) was an American ornithologist. Biography Harry Oberholser was born to Jacob and Lavera S. Oberholser on June 25, 1870, in Brooklyn, New York. He attended Columbia University, but did not graduate. Later Oberholser was awarded degrees (B.A., M.S., and PhD.) from the George Washington University. He married Mary Forrest Smith on June 30, 1914. From 1895 to 1941, he was employed by the United States Bureau of Biological Survey (later the United States Fish and Wildlife Service) as an ornithologist, biologist, and editor. During his career, he collected bird specimens while on trips with Vernon Bailey and Louis Agassiz Fuertes. In 1928, Oberholser helped organize thWinter Waterfowl Survey which continues to this day. In 1941, at the age of 70, he became curator of ornithology at the Cleveland Museum of Natural History. Oberholser was the author of a number of books and articles. A complete manuscript of his work is avai ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |