This page contains links to reports and newsletters produced using BBS data, or are otherwise related to the BBS.
The BirdTrends Report
This BTO report, updated annually, is a one-stop shop for information about the population status of our common terrestrial birds. It is based on data gathered by many thousands of volunteers who contribute to BTO-led surveys. With one web page per species, users can quickly find all the key information about trends in population size and breeding performance, as measured by BTO monitoring schemes.
Birds of Conservation Concern
The fourth quantitative review of the status of the birds that occur regularly in the UK, updated December 2015, which makes use of BBS trend information.
Further information can be found on the BTO web page about population Status of birds in the UK.
Wider Countryside Butterfly Survey newsletters
This newsletter gives an account of the first full year of the Wider Countryside Butterfly Survey, to which BBS volunteers contributed.
Further information about the survey can be found on the UK Butterfly Monitoring Scheme website.
UK Butterfly Monitoring Scheme (UKBMS)
The UK Butterfly Monitoring Scheme is organized and funded by Butterfly Conservation, the Centre for Ecology and Hydrology, British Trust for Ornithology, and the Joint Nature Conservation Committee.
UKBMS Annual Report 2020
The leaflet summarises the latest results for the time period 1980 - 2009. The table with all PECBMS common species trends is included and the main indicators for Europe is described.
Further information, and European species trends,can be found on the European Bird Census Council website.
The Tracking Mammals Partnership (TMP) aims to provide up-to-date and reliable information about the status and population trends of UK land mammals. BBS mammal trends contribute to the Tracking Mammals Partnership.
Further information about the TMP, and previous updates, can be found on their website, www.trackingmammals.org. For more information about how BBS volunteers collect mammal data, see the BBS Mammal Monitoring page.
UK Seabirds in 2008
UK Seabirds in 2008 (PDF, 462.94 KB)
UK Seabirds in 2008
Breeding seabirds in the UK are not monitored by the BBS. This leaflet presents results from the Seabird Monitoring Programme up to 2008 and provides an assessment of the pressures seabirds face. The next issue is scheduled for publication in 2013.
Further information can be found at the JNCC Seabirds and Seaduck web pages.
Too wet to nest?
A common issue that many analysts of biological data encounter is that of detectability. For a human population we can (in principle) count every individual. For wildlife though, things are trickier, and only rarely is...
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