<\/p>\n
National Geographic’in haberine g\u00f6re, ABD’li bilim insanlar\u0131n\u0131n \u00e7al\u0131\u015fmas\u0131nda, kral kelebeklerinin her sonbaharda Kanada’n\u0131n g\u00fcneyinden Meksika’ya yakla\u015f\u0131k 5 bin kilometrelik g\u00f6\u00e7 yolculu\u011fu yapt\u0131\u011f\u0131 belirtildi.<\/p>\n
Kral kelebeklerinin kanat boyunun 7-10 santimetre oldu\u011funa dikkati \u00e7ekilen \u00e7al\u0131\u015fmada, kanatlardaki renk da\u011f\u0131l\u0131m\u0131n\u0131n uzun yolculu\u011fa etkileri iki a\u015famada incelendi.<\/p>\n
\u00c7al\u0131\u015fman\u0131n ilk a\u015famas\u0131nda, yaz\u0131n \u00fcreme d\u00f6neminde, sonbaharda g\u00f6\u00e7 s\u0131ras\u0131nda ve k\u0131\u015f\u0131 ge\u00e7irdikleri Meksika’da toplam 400 vah\u015fi kral kelebe\u011fi topland\u0131.<\/p>\n
Di\u015fi ve erkek kelebeklerin hayatlar\u0131n\u0131n farkl\u0131 a\u015famalar\u0131nda kanatlar\u0131ndaki turuncu, siyah ve beyaz renk da\u011f\u0131l\u0131m\u0131n\u0131n de\u011fi\u015fimi g\u00f6zlemlendi.<\/p>\n
Ara\u015ft\u0131rmac\u0131lar ba\u015far\u0131yla g\u00f6\u00e7\u00fc tamamlayan kral kelebeklerinin kanatlar\u0131ndaki beyaz oran\u0131n\u0131n, ba\u015far\u0131s\u0131z t\u00fcrde\u015flerine k\u0131yasla y\u00fczde \u00fc\u00e7 daha fazla oldu\u011funu buldu.<\/p>\n
\u0130kinci a\u015famada ise kral kelebekleri, yak\u0131n akrabas\u0131 olan Danaid s\u0131n\u0131f\u0131ndan Amerika’ya \u00f6zg\u00fc 6 g\u00f6\u00e7 etmeyen t\u00fcr ile kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131.<\/p>\n
G\u00f6\u00e7 etmeyen akrabalar\u0131na g\u00f6re, kral kelebeklerinin kanatlar\u0131ndaki beyaz beneklerin daha b\u00fcy\u00fck oldu\u011fu tespit edildi.<\/p>\n
Ara\u015ft\u0131rma yazarlar\u0131ndan Andrew Davis, “Kanatlar\u0131 u\u00e7u\u015f s\u0131ras\u0131nda a\u00e7\u0131k duran kral kelebekleri, g\u00f6\u00e7 yolunda a\u015f\u0131r\u0131 g\u00fcne\u015f \u0131\u015f\u0131\u011f\u0131na maruz kal\u0131yor. Yolu binlerce y\u0131ld\u0131r katettikten sonra g\u00fcne\u015f enerjisini kullanarak aerodinamik verimliliklerini art\u0131racak bir adaptasyon geli\u015ftirmi\u015fler.” ifadelerini kulland\u0131.<\/p>\n
G\u00fcne\u015f \u0131\u015f\u0131nlar\u0131n\u0131n radyasyon seviyesi artt\u0131k\u00e7a beyaz beneklerin sa\u011flad\u0131\u011f\u0131 avantaj\u0131n azalaca\u011f\u0131n\u0131 kaydeden Davis, iklim de\u011fi\u015fikli\u011fi kar\u015f\u0131s\u0131nda kral kelebeklerinin yeni adaptasyonlar geli\u015ftirerek hayatta kalabilece\u011fini belirtti.<\/p>\n
Davis, kral kelebeklerinin g\u00fcnde ortalama 10 saat u\u00e7arak 60 g\u00fcnde g\u00f6\u00e7 yolculu\u011funu tamamlad\u0131klar\u0131n\u0131 dile getirdi.<\/p>\n
Ara\u015ft\u0131rman\u0131n sonu\u00e7lar\u0131 “Plos One” dergisinde yay\u0131mland\u0131.<\/p>\n