According to the Hansard Report April 2004 (Hansard is the edited verbatim report of proceedings in UK parliament), the following illegal raptor persecution incidents were recorded in 1990:
Cromlix Estate (nr Dunblane, Perthshire) – 1 x buzzard + 1 x hen harrier killed by Chloralose.
Rosehaugh Estate (Black Isle, Ross-shire) – 1 x buzzard killed by Chloralose.
Ledmore Estate (Lairg, Sutherland) – 1 x golden eagle + 1 x buzzard killed by Chloralose.
Hopetoun Estate (Abington, South Lanarkshire) – 1 x buzzard killed by Chloralose.
Glenfernate Estate (Blairgowrie, Perthshire) – 1 x buzzard killed by Chloralose.
Grimerston Estate (Isle of Lewis) – 1 x golden eagle killed by Chloralose.
This report was published in the days when the government publicised the names of the Estates where illegal raptor persecution incidents had been recorded. Shame they don’t do that anymore – you have to wonder why? The Hansard report documenting these and other persecution incidents, can be read here: http://hansard.millbanksystems.com/written_answers/1994/apr/28/bird-killing