Ailes bleuâtres
Curious mix of typic "croa" and some sort of ringtone for these calls !
typical white dot on the head and no dark end of the tragus. An interesting paper has just been published on the identification of M. blythii and M. myotis: https://www.researchgate.net/publication/282778652_Distribution_and_Morphological_Comparison_of_Two_Sibling_Bat_Species_Myotis_myotis_and_Myotis_blythii_Mammalia_Chiroptera_in_Greece