\n<\/p>\n
ABD\u2019deki Georgia \u00dcniversitesi\u2019nden bilim<\/a> insanlar\u0131, baz\u0131 Kuzey Amerika<\/a> yarasalar\u0131n\u0131n ultraviyole (UV) \u0131\u015f\u0131k alt\u0131nda parlad\u0131\u011f\u0131n\u0131 ke\u015ffetti.<\/p>\n Ara\u015ft\u0131rmac\u0131lar, alt\u0131 farkl\u0131 t\u00fcre ait 60 \u00f6rne\u011fi inceledi: B\u00fcy\u00fck kahverengi yarasa (Eptesicus fuscus), do\u011fu k\u0131rm\u0131z\u0131 yarasas\u0131 (Lasiurus borealis), Seminole yarasas\u0131 (Lasiurus seminolus), g\u00fcneydo\u011fu myotis\u2019i (Myotis austroriparius), gri yarasa (Myotis grisescens) ve Brezilya serbest kuyruklu yarasas\u0131 (Tadarida brasiliensis).<\/p>\n T\u00fcm \u00f6rneklerin UV \u0131\u015f\u0131\u011f\u0131na maruz b\u0131rak\u0131ld\u0131\u011f\u0131nda \u0131\u015f\u0131k yayd\u0131\u011f\u0131 g\u00f6r\u00fcld\u00fc.<\/p>\n MEMEL\u0130LER DE PARLIYOR<\/strong><\/p>\n \u00dcstelik bu \u00f6zellik yaln\u0131zca yarasalara \u00f6zg\u00fc de\u011fil. \u00d6nceki ara\u015ft\u0131rmalar, pek \u00e7ok memelinin de farkl\u0131 renklerde UV \u0131\u015f\u0131\u011f\u0131 alt\u0131nda parlad\u0131\u011f\u0131n\u0131 g\u00f6stermi\u015fti.<\/p>\n Ancak Georgia \u00dcniversitesi ekibi, bu yarasalarda ilgin\u00e7 bir tutarl\u0131l\u0131k buldu: T\u00fcm t\u00fcrlerde, cinsiyetlerde ve ya\u015f gruplar\u0131nda ayn\u0131 b\u00f6lgeler (kanatlar, arka bacaklar ve bacaklar aras\u0131ndaki zar) ye\u015fil renkte parl\u0131yordu.<\/p>\n Ecology & Evolution adl\u0131 hakemli bilimsel dergide yay\u0131nlanan ara\u015ft\u0131rma makalesine g\u00f6re bu durum, parlaman\u0131n t\u00fcr tan\u0131ma ya da e\u015f se\u00e7imiyle ilgili olma ihtimalini ortadan kald\u0131r\u0131yor.<\/p>\n Ara\u015ft\u0131rmac\u0131lar bu \u00f6zelli\u011fin muhtemelen ge\u00e7mi\u015fte bir i\u015fleve sahip oldu\u011funa ama bu i\u015flevin zamanla kayboldu\u011funa inan\u0131yor.<\/p>\n I\u015f\u0131k dalga boylar\u0131 yarasalar\u0131n g\u00f6rme aral\u0131\u011f\u0131 i\u00e7inde olsa da, ara\u015ft\u0131rmac\u0131lar gece ortam\u0131nda veya karanl\u0131k dinlenme alanlar\u0131nda bu parlaman\u0131n fark edilecek kadar g\u00fc\u00e7l\u00fc olup olmad\u0131\u011f\u0131ndan emin de\u011fil.<\/p>\n Yine de parlayan b\u00f6lgelerin, yarasalar\u0131n u\u00e7arken g\u00f6r\u00fclebilen uzuvlar\u0131 olmas\u0131 dikkat \u00e7ekici. Bu durumun olas\u0131 bir davran\u0131\u015fsal i\u015flevle ba\u011flant\u0131l\u0131 olup olmad\u0131\u011f\u0131, ancak canl\u0131 yarasalar \u00fczerinde yap\u0131lacak g\u00f6zlemlerle netle\u015febilir.<\/p>\n<\/div>\n