Population Trends Index

To view tables of species population changes at country or regional levels, please use the mouse to navigate to the country or region you wish to view. Each page provides a summary of species percentage change, and has a menu allowing you to compare the change as a series of species graphs. Alternatively, if you just wish to view the graphs quickly, use the Quick-link graph index.

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The Breeding Bird Survey (BBS) monitors terrestrial birds throughout the UK to
provide information that underpins the conservation of species and habitats.
The BBS is organised by the BTO on behalf of BTO, JNCC and RSPB
Email: bbs@bto.org
Last updated 21 January, 2004

BTO, The Nunnery, Thetford, Norfolk IP24 2PU, UK. Registered Charity Number 216652.
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