From: Stuart Reeves <S.Reeves@marlab.ac.uk>>
Subject: RE: FW: [UKBN] Honey Buzzard Movement Autumn 2000
Date: 03 November 2000 13:08
>> >> Hi Nick, Stuart, Richard, Paul et al
>> >> I don't know the answer to the Honey Buzzard puzzle, but Birding World's
>> account (Ex-northern Europe in high pressure/juvenile birds/east winds/bad
>> weather/eventual reorientating out via south coast) is short and to the
>> point, and sounds entirely reasonable to me.
>> It all sounds so plausible until you realise that passage had largely
>> at Falsterbo five days before the British movement started.
>> Cheers ... Nick
> It is misleading to regard passage at Falsterbo as the whole story.
>Karlsson, in Birds at Falsterbo, notes that in south-easterly winds,
>migrating raptors tend to be drift more to the North-West, and further that
>birds migrating down the west coast of Sweden tend to cross to Denmark at
>the narrowest point, between Helsingborg and Helsingor. In addition Aulen,
>in Where to watch birds in Scandinavia, notes that Autumn totals of Buzzard
>at Helebaek, Northern Zealand (the part of Denmark nearest to Sweden) often
>exceed those at Falsterbo. On this basis, the relatively weak passage of HBs
>at Falsterbo may actually indicate that the large majority of the birds
>migrated by a [much] more westerly route this year.
> Stuart Reeves
Thanks Stuart for this very constructive suggestion. I've searched records of Danish observatories and the results Movements in Denmark provide no evidence to support a continental origin.
Best wishes ... Nick