https://www.rspb.org.uk/globalassets/downloads/annual-report-2023/332-0273-22-23-annual-report-22-23_interactive.pdf
https://www.rspb.org.uk/about-the-rspb/about-us/how-the-rspb-is-run/annual-review/archive/
The first link is the RSPB’s Annual Report 2022-2023
The second link is some of the previous years Annual reports of the RSPB.
Regards,
Ian.