In the field of natural and human sciences, the MNHN contributes to the production, development and sharing of knowledge on the geological and biological diversity of the Earth, on the diversity of cultures and societies and on the history of the planet. To this end, its mission is to develop in synergy fundamental and applied research, expertise, valorization, enrichment, conservation and provision of collections and data, training including teaching, educational action and the dissemination of scientific and technical culture for all audiences. The MNHN Center for Ecology and Conservation Sciences (UMR 7204 CESCO) coordinates the "Bat Migration Routes in Europe" Project, the aim of which is to study the migration routes of bats in Europe. For this, acoustic recordings are collected across Europe, in order to highlight the hot spots of activity of several species of migratory bats according to environmental variables As part of this project, an agreement has been establishe...
Bernard Thomachot keeps an up-to-date table in which he lists the new cavities, notes those located in France and those that have been verified Here is the summary with 274,700 new cavities in France, including 25,792 that have been verified End of 2024 Grottocenter gives access to 120,812 cavities. The table with all the data is available HERE