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Hybrid birds of paradise may occur when individuals of different species, that look similar and have overlapping ranges, confuse each other for their own species and crossbreed. Erwin Stresemann hypothesised that hybridisation among birds-of-paradise might explain why so many of the described species were so rare. Stresemann examinined many controversial specimens and, during the 1920s and 1930s, he published several papers on his hypothesis. Many of the species described in the late 19th and early 20th centuries are now generally considered to be hybrids, though some are still subject to dispute; their status is unlikely to be settled definitely without genetic examination of museum specimens. ==Known or presumptive hybrids== Some named hybrids and presumed hybrids are: * Astrapian sicklebill (''Astrapia nigra'' x ''Epimachus f. fastuosus''). Originally described as species ''Epimachus astrapioides'' Rothschild, 1897. * Barnes' astrapia (''Astrapia mayeri'' x ''A. stephaniae''). Originally described as species ''Astrarchia barnesi'' Iredale, 1948. * Bensbach's bird of paradise (presumed ''Ptiloris m. magnificus'' x ''Paradisaea m. minor''). Originally described as species ''Janthothorax bensbachi'' Büttikofer, 1894. * Blood's bird of paradise (''Paradisaea raggiana salvadorii'' x ''P. rudolphi margaritae''). Originally described as species ''Paradisaea bloodi'' Iredale, 1948. * Duivenbode's bird of paradise (''Paradisaea guilielmi'' x ''P. minor finschi''). Originally described as species ''Paradisaea duivenbodei'' Ménégaux, 1913. * Duivenbode's riflebird (''Ptiloris magnificus intercedens'' x ''Lophorina superba minor''). Originally described as species ''Paryphephorus (Craspediphora) duivenbodei'' Meyer, 1890. * Duivenbode's six-wired bird of paradise (presumed ''Parotia sefilata'' x ''Lophorina superba''). Originally described as species ''Parotia duivenbodei'' Rothschild, 1900. * Elliot's bird of paradise (presumed ''Astrapia nigra'' x ''Epimachus f. fastuosus''). Originally described as species ''Epimachus ellioti'' Ward, 1873. * False-lobed astrapia (''Paradigalla carunculata'' x ''Epimachus f. fastuosus''). Originally described as species ''Pseudastrapia lobata'' Rothschild, 1907. * Gilliard's bird of paradise (''Paradisaea raggiana salvadorii'' x ''P. minor finschi''). * King of Holland's bird of paradise (''Cicinnurus magnificus'' x ''C. regius''). Originally described as species ''Diphyllodes gulielmi III'' Meyer, 1875. * Lupton's bird of paradise (''Paradisaea raggiana salvadorii'' x ''P. apoda novaeguineae''). Originally described as subspecies ''Paradisaea apoda luptoni'' Lowe, 1923. * Lyre-tailed king bird of paradise (''Cicinnurus magnificus'' x ''C. regius''). Originally described as species ''Cicinnurus lyogyrus'' Currie, 1900. * Mantou's riflebird (presumed ''Ptiloris magnificus'' x ''Seleucidis melanoleucus''). Originally described as ''Craspedophora mantoui'' Oustalet, 1891. * Maria's bird of paradise (presumed ''Paradisaea guilielmi'' x ''P. raggiana augustaevictoriae''). Originally described as species ''Paradisaea maria'' Reichenow, 1894. * Mysterious bird of Bobairo (presumed ''Epimachus fastuosus atratus'' x ''Lophorina superba feminina''). * Rothschild's bird of paradise (''Paradisaea raggiana augustaevictoriae'' x ''P. minor finschi''). Originally described as species ''Paradisaea mixta'' Rothschild, 1921. * Rothschild's lobe-billed bird of paradise (presumed ''Paradigalla carunculata'' x ''Lophorina s. superba''). Originally described as species ''Loborhamphus nobilis'' Rothschild, 1901. * Ruys' bird of paradise (''Cicinnurus m. magnificus'' x ''Paradisaea m. minor''). Originally described as species ''NeoParadisaea ruysi'' van Oort, 1906. * Schodde's bird of paradise (''Paradisaea rudolphi margaritae'' x ''Parotia l. lawesii''). * Sharpe's lobe-billed parotia (presumed ''Parotia sefilata'' x ''Paradigalla carunculata''). Originally described as species ''Loborhamphus ptilorhis'' Sharpe, 1908. * Stresemann's bird of paradise (''Lophorina superba'' x ''Parotia carolae''). Originally described as subspecies ''Lophorina superba pseudoparotia'' Stresemann, 1934. * Wilhelmina's bird of paradise (presumed ''Lophorina superba'' x ''Cicinnurus magnificus''). Originally described as species ''Lamprothorax wilhelminae'' Meyer, 1894. * Wonderful bird of paradise (''Seleucidis melanoleucus'' x ''Paradisaea minor''). Originally described as species ''Paradisaea mirabilis'' Reichenow, 1901. ==Other possible hybrids== 18th century French artist Jacques Barraband, known for is ability to illustrate birds with a high degree of accuracy, produced a few illustrations of unidentified birds-of-paradise. It has been postulated that these paintings may be simply inaccurate, depict undescribed species, or depict hybrids that have not since been observed. On 15 May 2004, ''New Scientist'' published one of these paintings, which depicts a bird that most closely resembles the twelve-wired bird-of-paradise, although there are several obvious differences. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of hybrid birds-of-paradise」の詳細全文を読む スポンサード リンク
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