Staff at the Radipole Lake Nature Reserve will host a bat walk on Friday night.
The tour will be conducted by RSPB staff between 9pm and 11pm. Bat detecting equipment will be provided.
It costs £6 for non-RSPB members, £4 for members and £3 for children. Proceeds will go to the charity and booking is required.
For information contact the reserve on 01305 778313.