Project partners

Scheme downloads

The Retrapping Adults for Survival (RAS) scheme, set up in 1998, is an exciting project within the BTO Ringing Scheme. It encourages all fully-trained bird ringers to get involved in collecting high-quality information on survival rates. Over 180 studies are active, covering more than 50 species.

Scheme downloads:

RAS instructions

RAS instructions (PDF, 117.86 KB)

RAS registration form

RAS registration form (DOC, 236.50 KB)

Guide to RAS in IPMR

Guide to RAS in IPMR (PDF, 395.35 KB)

Biodiversity loss and the UK’s birds

Biodiversity loss is one of the biggest drivers of bird population declines in the UK. Learn what we’re doing to tackle this threat to nature and how you can support our work.