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The proboscis bat (''Rhynchonycteris naso'') is a bat species from South and Central America.〔(Infonatura ). Natureserve.org. Retrieved on 2012-12-29.〕 Other common names include Long-nosed proboscis bat, sharp-nosed bat,〔(Sharp-nosed Bat – Rhynchonycteris naso ). Arthurgrosset.com. Retrieved on 2012-12-29.〕 Brazilian long-nosed bat〔 〕 and river bat〔 〕 in English, and murciélago narizón in Spanish. It is monotypic within its genus. This species is in the family Emballonuridae, the sac-winged or sheath-tailed bats. Like most bats, it is nocturnal. It is found from southern Mexico to Peru, Bolivia and Brazil, as well as in Trinidad.〔(Rhynchonycteris ). Ftp.funet.fi (2002-08-29). Retrieved on 2012-12-29.〕〔 (2007): Orb-weaving Spider, ''Argiope savignyi'' (Araneidae), Predation on the Proboscis Bat ''Rhynchonycteris naso'' (Emballonuridae). ''Caribbean Journal of Science'' 43(2): 282–284. (PDF ) 〕 ==Characteristics== This is a small bat, around long and in weight. Males in northern South America were found to average 56.48 millimeters long, females 59.18.〔 The tail is about 1.6 centimeters long.〔 Pregnant females can weigh up to 6 grams.〔 The species is characterized by its long, fleshy, and pointed nose. Its fur is soft and dense and is brownish-grey in color, with two white stripes down the back. Whether these stripes serve a purpose, such as camouflage or attraction of mates, is unknown. This bat also has gray tufts of fur on the forearms. No matter what time of day these features may make the bat difficult to see. 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「Proboscis bat」の詳細全文を読む スポンサード リンク
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