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Bat Colony, St.Margarethen, Kahla, DE
In Kahla, Thuringia, there is an important nursary roost for the greater mouse-eared bat (Myotis myotis) in St Margaret’s Church. The 2025 batmic listening station in the church's tower was established by Kerstin Ergenzinger, Bauhaus University Weimar and Udo Noll with support from [...]. The station uses acoustic and ultrasonic microphones so that both the ambient sounds of the tower and the bats’ calls can be heard live. The ultrasonic recording is carried out in time expansion mode (15x), which means there is an inevitable delay / time gap while the ultrasonic samples are slowed down and replayed, but timing and tonality of the original calls are maintained. Listen out for the very loud chimes on the hour!