Ka taƙaita labarin:  Kwarewar chameleon na canza launi na iya zama kamar sihiri, amma a ƙarshe masana kimiyya sun warware asirin yadda dabbar da ke rarrafe za ta iya haɗuwa da bango yadda ya kamata. Masu bincike na kasar Switzerland sun bayyana cewa dabbobi masu kama-da-wane suna amfani da fasahar zamani ta zamani mafi ci gaba fiye da duk wani abu da mutane suke da shi don aiwatar da canjin launin su na ban mamaki. Dabbobi masu rarrafe suna iya sake tsara lu'ulu'u a cikin ƙwayoyin fata na musamman don canza launuka don jawo hankalin abokin tarayya ko tsoratar da abokin hamayya. Gungura ƙasa don bidiyo. Masu bincike a ƙasar Siwizalan sun gano cewa kamar dai dodon hauren giwa suna iya canja launin lu'ulu'u da ke cikin ƙwayoyin fatarsu don su jawo hankalin abokin aurensu ko kuma su tsoratar da abokan hamayyarsu. An nuna hoton hoton mai launi mai launi. Aikin ya ƙunshi yin amfani da ƙananan lu'ulu'u a cikin ƙwayoyin fata da ake kira iridophores. Waɗannan lu'ulu'u suna taimaka wa tsutsa ta canja yadda take ɓoye kanta da sauri don ta yi jima'i mai ban sha'awa, kuma suna kāre ta daga yin zafi sosai. A dā, an yi tunanin cewa ana tattara launuka dabam-dabam a cikin ƙwayoyin halittar dabba, kuma hakan yana sa dabba ta canja launin fatarta. Kamar sauran dabbobi masu rarrafe, 'yan bincike sun ce, ba ruwan fata ba ne ke sa aljanu su yi kala dabam-dabam, amma "rikice-rikice ne na gani" da ke faruwa tsakanin hasken da ke fitowa daga ƙananan lu'ulu'u. An shirya lu'ulu'u a cikin yadudduka a cikin iridophores. A binciken da aka yi a kan wani kameleon, wanda ya fito daga Madagascar, masana kimiyya sun gano cewa wannan halittar tana sarrafa yadda lu'ulu'u na iridophore suke ba da launi. Tsuntsaye masu rarrafe suna iya sake tsara lu'ulu'u a cikin ƙwayoyin fata na musamman don canza launuka don jawo hankalin abokin tarayya ko tsoratar da abokin hamayya. Aikin ya ƙunshi yin amfani da ƙananan lu'ulu'u a cikin ƙwayoyin fata da ake kira iridophores. Waɗannan lu'ulu'u ba kawai suna sa tsutsa ta canja halinta da sauri ba, amma kuma suna kāre ta daga yin zafi sosai....
Masu bincike na Jami'ar Geneva sun yi nazari a kan 'yan wasa. Sun gano cewa dabbobi masu rarrafe suna iya sake tsara lu'ulu'u a cikin ƙwayoyin fata na musamman da ake kira iridophores don canza launi. Lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu'lu