Abstract
The lesser horseshoe bat, last seen in Luxembourg in the winter of 1992, has been listed as extinct on the Red List since 2002. However, following the reopening of the entrance of an ironmine near Lasauvage (Minette), close to the French border, acoustic monitoring detected the species on six occasions between September and October 2022. Further studies in 2023 and 2024 near to Lasauvage in Fond de Gras revealed the use of this site at least as migrating corridor and hibernation in the old mines is very likely. These discoveries represent the first evidence of the lesser horseshoe bat in Luxembourg since 30 years.
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Schedule a callMore From: Bulletin de la Société des naturalistes luxembourgeois
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