I am English and the best book to use for UK / Europe is undoubtably Collins Bird Guide 2nd Ed, by Lars Svensson et al.
It really is the best guide to a specific regional bird fauna anywhere (by far).
Have fun on your trips.
On 19 Jan 2016, at 14:54, Ralph Palmer wrote:
> Greetings -
> My wife and I are travelling to Cuba and to Ireland and the United Kingdom
> for short visits this winter/spring. Can anyone suggest birding books for
> those two areas? "United Kingdom" actually means Wales, England and
> Scotland (not Northern Ireland, though I would expect the birds to be
> similar to the birds in the Republic of Ireland).
> I appreciate your time and help,
> Ralph Palmer
> Brattleboro, VT
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