Production of representative Cormorant population trends with confidence limits
Author(s): Chamberlain, D. E., Austin, G.E., Green, R.E. & Burton, N.H.K.
Published: January 2013 Issue No.: 612 Pages: 22pp
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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.