Wright, P. et al. (2026) Interactions between two protected species: Rhinolophus ferrumequinum impacting the recovery of Rhinolophus hipposideros populations in Britain

In recent years, substantial declines in Rhinolophus hipposideros numbers, coinciding with the arrival of Rhinolophus ferrumequinum, have been observed at summer roosts. In this paper, we aim to understand whether R. ferrumequinum are occurring more frequently in R. hipposideros roosts and whether these are having an impact on population growth.