Gardens as a winter feeding refuge for declining farmland birds
Author(s): Chamberlain, D.E., Vickery, J.A., Glue, D.E. & Conway, G.
Published: January 2003 Issue No.: 342 Pages: 109pp
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What we can learn from 25 years of watching gardens
Exploring the value of a complete quarter-century of weekly garden bird observations from BTO's Garden BirdWatch covering the length and breadth of the country.