Please click the link below to view the BTHK Database to date: December 2021.
The annual database report may be downloaded by clicking the link below.
Bat Tree Habitat Key – DATABASE REPORT – 2018
Bat Tree Habitat Key – DATABASE REPORT – 2017
Bat Tree Habitat Key – DATABASE REPORT – 2016
The tree roost recorder rankings were last collated on 25th September 2021 and are available by clicking the link below.