Hi
The Pesticides Forum in the UK monitors the numbers of birds on farmland.
See their 2013 report here:
http://www.pesticides.gov.uk/Resources/CRD/Migrated-Resources/Documents/P/23924.52.1PesticidesintheUK2013.pdf
This demonstrates that there has generally been a long term decline in
birds on farmland in the UK. Neonicotinoids may or may not be adding to
the problems now, but the decline predates their use.by decades
Mike Rowbottom
Harrogate
UK
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