Source
British Trust for Ornithology (BTO)/ Joint Nature Conservation Committee (JNCC)/ Royal Society for the Protection of Birds (RSPB) 'Breeding Bird Survey'
Description
The British Trust for Ornithology organises the annual 'BTO / JNCC / RSPB Breeding Bird Survey' to provide representative population trends for a range of common and widespread birds in the UK. Volunteers around the country visit a 1 km x 1 km square three times per year, recording species of birds (both seen and heard) and habitat features.
Other Links
Breeding Bird Survey
Home site of the BTO/JNCC/RSPB Breeding Bird Survey. Includes online data submission and data management, latest results, graphs and maps and downloadable annual reports.
http://www.bto.org/bbs
Population changes for species in Scotland
Based on the latest Breeding Bird Survey - shows percentage changes in population levels in Scotland, marked with an asterisk where significant
http://www.bto.org/bbs/trends/scotland/
The British Trust for Ornithology
For more information about the surveys carried out by the BTO.
http://www.bto.org/survey/index.htm
The Joint Nature Conservation Committee: Surveillance and monitoring
Contains information about UK bird surveys, including the Breeding Bird Survey and the Common Birds Census.
http://www.jncc.gov.uk/page-3713
The Royal Society for the Protection of Birds
For more information about bird species found in the UK.
http://www.rspb.org.uk