Early in the 20th century bats were still widespread. Especially in rural areas they were a common sight in the evenings, dashing around everywhere. It is hard to fathom that this once so common species is now endangered. All of the 22 recorded species of bats in Central Europe are more or less at risk of becoming extinct, and one of them did die out already. Only the Daubenton's bat populations have recovered somewhat. Active protection measures are more urgently needed than ever.

The main threats to bats have their roots in policy decisions. The European Union's inappropriate agricultural policy destroys both the livelihoods of small farmers as well as numerous plant and animal species. An additional problem for bats is a severe shortage of 'housing'. Old trees with cavities have become rare in forests, gardens and parks, and in buildings which offer quiet spaces for the bats, roofs or wall claddings have often been treated with non-selective wood preservatives which significantly increase bat mortality. Even caves and mine tunnels are rarely safe havens. Often the entrances have been walled off or blasted close and where entrances remained open 'cave tourism' quickly followed.

 

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