The first BRHK Database Report can be downloaded by clicking the link below. This is solely a subterranean report; others will follow as the project gains momentum.

BRHK 2022 – Database Report

If you would like the translated version of Roer & Egsbaek 1966, click on the link below:

Roer von H & Egsbaek W 1966. Zur biologie einer skandinavischen population der wasserflermaus (Myotis daubentonii) (Chiroptera). Zeitschrift für Säugetierkunde 31: 440-453

If you would like the translated version of Roer & Roer 1965, click on the link below:

Roer U & Roer H 1965. Zur Frage der Ruheplatzwahl überwinternder Fledermäuse in Bergwerkstollen. Bonn. zool. Beitr 16: 30-32