The effect of supplementary winter seed food on breeding populations of farmland birds: evidence from two large-scale experiments
Author(s): Siriwardena, G.M., Stevens, D.K., Anderson, G.Q.A., Vickery, J.A., Calbrade, N.E. & Dodd, S.
Published: January 2007
Journal: Journal of Applied Ecology Volume: 44
Digital Identifier No. (DOI): 10.1111/j.1365-2664.2007.01339.x
Youth Advisory Panel
Meet our panel of volunteers who help steer BTO to better serve our younger supporters.
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.