Hello Edward, I feel that a lot of what you say makes sense. However if a young Swift is in a container (e.g. nest-box) which is directly heated by the sun,...
Arriving back from a ringingholiday on the Dutch Waddenisland Schiermonnikoog we discovered that in the meantime all the swifts in our neighbourhood have...
I have received reports in the last week from correspondents in various parts of the UK that a lot of swifts appear to have departed already (today is August...
Hola: These last ten days there has been a notable exodus of swifts from the Torremolinos area (S Spain) and the population is down by at least 75% and falling...
Andy
andypat@...
Aug 1, 2006 11:14 am
3301
After circling all spring around the area of the courtyard of the Holy Western Wall in Jerusalem, on June 8 the swifts disappeared for two days. Then they...
Hi Ma Ming and Dick: I rather suspect that a bird the size of a swift could damage a turbine if ingested. They are very finely balanced pieces of machinery and...
Andy
andypat@...
Aug 1, 2006 11:26 am
3303
Dear Andy, You are right. And you are a specialist. Thanks very much. You know we also research on Saker Falcon and falconry in China. From 2001 to 2006, a...
hi henri, I heard the last screaming parties/vocalisations not later than July 23rd, there were LOOSE flocks hunting between houses until 26th, a singleton low...
Yes there have been hardly any swifts left here for the last few days (last seen in large numbers on 26/7). But they arrived here earlier than usual, so maybe...
In my residence Oost-Souburg, Zeeland, The Netherlands, the number of Swifts decreased very fast last week. In the surroundings of the nestplaces there were...
Here in Livorno (Tuscany, central Italy) Common swifts (Apus apus) have gone too. From the 20-25th of july only Pallid swifts (Apus pallidus) are again around...
Giorgio Paesani
giopae@...
Aug 1, 2006 2:14 pm
3311
This morning the Swifts are out of my sight in Berlin Kreuzberg and Berlin Neukölln. I saw the last six yesterday evening in my street, 3 days before they ...
The swifts pay no attention whatsoever to the falcons I see Sparrowhawk/s nearly every day that come to feed to sparrows and starlings that hide in the trees...
I'm quite optimistic about the reason of their fairly early departure: the weather in the time when the chix grew up was so pleasant, that there was no delay...
Dick is right. I am sure that Swifts don't like it hot Edward, as we humans don't like it hot neither. I saw lots of Swifts also in mediterranean parts of...
Greetings! For the sixth year, the Driftwood Wildlife Association will be hosting "A SWIFT NIGHT OUT." As summer draws to a close and the swifts have finished...
A very interesting answer of Pierfrancesco Micheloni after a question on the French site about early migration of Barn Swallow Hirundo rustica. Louis-Philippe ...
Hi Edward, So : keep your nestboxes out of the sun !(Louis-Philippe Arnhem) Edward, please, try to survive during 6 weeks inside of your own car, fully...
Again, it seems we have together observed a remarkable synchronised departure of Swifts across Europe, just as we saw a synchronised arrival around 2nd May. ...
I din't think this is fair comment, it's anthropomorphism rather than science! Edward was merely backing up my thought that some evidence and the accepted...
Hello Mark, You may know that we (Gierzwaluwbescherming - Nederland) started a camera monitoring project 2 years ago. We placed about 48 infrared cameras...
26 juli 2006 Bill Ball wrote: "I would have thought that if nest orientation mattered, evolution ... Dear Bill, your own explanation of evolution-mechanisms in...
Hello Bill, I should have done this before: I ran some statistics over your numbers: Assuming that there is equal opportunity for Swifts in your 4 directions,...
Just by chance I got involved in this very question when I was researching for a Swift nest box project near London's Docklands airport. The airport expressed...
Dick I absolutely agree my data is not significant in itself, which was why I asked if there was more extensive data. I wish I had more myself, but it takes a...
Dear Harm, I mentioned evolution to avoid "swifts' preferences" being taken to imply that they have conscious foreknowledge of how hot the nestsite will get...
Hola amigos Really Louis Philippe, the colony of l'Alcudia's swift was indeed very numerous before the restoration of the building of the Church. If you knew...
Jorge Sanz
jsanzribera@...
Aug 3, 2006 3:23 pm
3328
Hallo Bill and others, In 1993, 1998 and 2003 I've noticed the directions of all natural nests in the village of Noordwijk-Binnen the Netherlands. Noordwijk ...
Russian roulette Hello Bill, You wrote: "However this is all opinion again. You sound as though you know a lot about your local swifts, Harm, so please tell us...
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