There are currently two long term ringing surveys that allow us to collect more detailed data on survival and productivity allowing us to understand population change - vital information for conservation.
The Constant Effort Site (CES) Scheme monitors a range of passerines in the breeding season and the Retrapping Adults for Survival (RAS) Scheme involves individual projects each collecting detailed information on one species.
BTO research harnesses citizen science to make breakthroughs in bat monitoring
Bat monitoring has traditionally been challenging, because most species are nocturnal, wide-ranging and difficult to identify. Whilst the National Bat Monitoring Programme run by the Bat Conservation Trust (BCT)...