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The greater galagos or thick-tailed bushbabies are everyday names for three species of strepsirrhine primates. They are classified in the genus ''Otolemur'' in the family Galagidae. * Genus ''Otolemur'' * * Brown greater galago, ''Otolemur crassicaudatus'' * * * ''Otolemur crassicaudatus crassicaudatus'' * * * ''Otolemur crassicaudatus kirkii'' * * Silvery greater galago, ''Otolemur monteiri'' * * * ''Otolemur monteiri monteiri'' * * * ''Otolemur monteiri argentatus'' * * Northern greater galago, ''Otolemur garnettii'' * * * ''Otolemur garnettii garnettii'' * * * ''Otolemur garnettii lasiotis'' * * * ''Otolemur garnettii kikuyuensis'' * * * ''Otolemur garnettii panganiensis'' ==Historical Classification and Species Discovery== The diversity of galago species has historically been grossly underestimated. In 1931, only 5 species were recognized, 4 in the genus ''Galago'' and 1 in ''Euoticus'', and only one species that would later be placed in the genus ''Otolemur''. In 1979, the genus ''Otolemur'' was separated from ''Galago''. By 1986, eleven species were recognized with revamped systemic classification including ''Otolemur crassicaudatus'' and ''Otolemur garnettii''. Additionally, ''O. crassidautus'' and ''O. monteiri'' were recognized as separate species instead of ''O. monteiri'' as a nested subspecies.〔 By 2001, 23 species were recognized. Classification by vocalization has particularly become prevalent and helpful as a tool in understanding of these species. All ''Otolemur'' species exhibit trailing advertising calls.〔 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「Greater galago」の詳細全文を読む スポンサード リンク
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