Hi-
This is a big improvement on previous guides and worth having if you live in the counties covered or visit them- which I do;)
I grew up birding Surrey in the 70's and it's interesting to see what has changed at my old haunts- Yellowhammers have declined ( ?)
but Firecrests have increased etc.
S
For advice about Birding, Identification,field guides, binoculars, scopes, tripods, etc - put 'Birding Tips' into the search box