This map shows the change in breeding distribution for the 2008-2012 Atlas compared to the 1997-2001 Altas.
- Tetrads where species were found before but have not been found now are shown in grey.
- Tetrads where species were not found before but have been found now are shown in red.
- Tetrads where species were found in both surveys are shown in blue.
Provisional data
