If you asked me a week ago which of the 633 birds currently on the BOU list would be my 400 th bird the near mythical new world Magnolia Warbler would have been very close to the bottom of the list. Fast forward to this Wednesday when an event started to unfold that would go down as one of the most memorable in British birding history. Strong North Easterly winds blowing right across the Atlantic ocean from the eastern seaboard of North America to the British isles coincided with the peak migration time for American songbirds leaving Canada and the northern states for their southern wintering grounds. In the following couple of days some 20 mega rare birds together with a strong supporting cast of very scarce birds were found dotted along the west coast of Britain and Ireland. Every time I proofread this the number increases! Every silver lining, however, has a cloud so please spare a thought for the many hundreds of birds that did not surviv...