Information published on our website
- Facts and Figures on British birds
- Trends in numbers and breeding performance over 50 years
- Which birds can be found near you
BTO survey information
Search for data
- Find out what Survey Data are available
- Search for BTO survey information on a SPECIES
- Search for BTO survey information about an AREA
- Request data from the BTO
BTO data policies
Paper call for special HPAI issue
We are putting together a special issue of the BTO journal Bird Study to bring together research documenting the HPAI outbreak and its impacts on wild birds.
BirdTrack migration blog – early spring
It may still feel like winter but for some species, the increasing temperatures and lengthening days have already kick-started spring migration, with birds starting to arrive and depart across Britain and Ireland.