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On Fri, 03 Mar 2017 01:09:42 +0000 (GMT), "Dave Plowman (News)"
wrote: In article , Woody wrote: More likely the abundance of grey squirrels and magpies that steal the eggs out of the nests - and not just sparrows. That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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In article ,
Don Pearce wrote: That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. Again, near overnight? And in central London? -- *What do you call a dinosaur with an extensive vocabulary? A thesaurus.* Dave Plowman London SW To e-mail, change noise into sound. |
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On 03/03/2017 11:14, Huge wrote:
On 2017-03-03, Don Pearce wrote: On Fri, 03 Mar 2017 01:09:42 +0000 (GMT), "Dave Plowman (News)" wrote: In article , Woody wrote: More likely the abundance of grey squirrels and magpies that steal the eggs out of the nests - and not just sparrows. That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. In Central London, where Dave lives? Lots of farms there. Not. It's a well-kept secret but the Vauxhall City Farm is only a quarter of a mile from MI6. :-) -- Eiron. |
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On 3 Mar 2017 11:14:44 GMT, Huge wrote:
On 2017-03-03, Don Pearce wrote: On Fri, 03 Mar 2017 01:09:42 +0000 (GMT), "Dave Plowman (News)" wrote: In article , Woody wrote: More likely the abundance of grey squirrels and magpies that steal the eggs out of the nests - and not just sparrows. That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. In Central London, where Dave lives? Lots of farms there. Not. Doesn't matter. The surrounding countryside is where the insects bred. Do you have another explanation for the disappearance of flying insects? d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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On Fri, 03 Mar 2017 11:27:38 +0000 (GMT), "Dave Plowman (News)"
wrote: In article , Don Pearce wrote: That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. Again, near overnight? And in central London? Yes. d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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On Fri, 03 Mar 2017 11:36:25 GMT, (Don Pearce) wrote:
On Fri, 03 Mar 2017 11:27:38 +0000 (GMT), "Dave Plowman (News)" wrote: In article , Don Pearce wrote: That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. Again, near overnight? And in central London? Yes. d Just did some Googling http://www.independent.co.uk/environ...w-1026319.html d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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In article , Don Pearce
wrote: On Fri, 03 Mar 2017 11:36:25 GMT, (Don Pearce) wrote: On Fri, 03 Mar 2017 11:27:38 +0000 (GMT), "Dave Plowman (News)" wrote: In article , Don Pearce wrote: That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. Again, near overnight? And in central London? Yes. d Just did some Googling http://www.independent.co.uk/environ...w-1026319.html What isn't clear from a quick read of that is why the effect might be disproportionately severe in London, which probably had fewer insects than the countryside before the decline outside London. The thought that occurred to me is that the air pollution might also weaken the birds. But I didn't see any attempt to correlate against that. Jim -- Please use the address on the audiomisc page if you wish to email me. Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm Armstrong Audio http://www.audiomisc.co.uk/Armstrong/armstrong.html Audio Misc http://www.audiomisc.co.uk/index.html |
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In article ,
Don Pearce wrote: On 3 Mar 2017 11:14:44 GMT, Huge wrote: On 2017-03-03, Don Pearce wrote: On Fri, 03 Mar 2017 01:09:42 +0000 (GMT), "Dave Plowman (News)" wrote: In article , Woody wrote: More likely the abundance of grey squirrels and magpies that steal the eggs out of the nests - and not just sparrows. That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. In Central London, where Dave lives? Lots of farms there. Not. Doesn't matter. The surrounding countryside is where the insects bred. Do you have another explanation for the disappearance of flying insects? But other bird species didn't get wiped out so quickly. Do sparrows have a particular and picky diet? That would be odd for such a previously successful species? In the average London garden they outnumbered all others by a very large percentage. -- *The colder the X-ray table, the more of your body is required on it * Dave Plowman London SW To e-mail, change noise into sound. |
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In article ,
Don Pearce wrote: Just did some Googling http://www.independent.co.uk/environ...w-1026319.html Yes - I've read that before. But no explanation for the suddenness of it. Did farmers start using a new and very powerful insecticide? And adult birds can live for 20 years (in theory). So a lack of young replacements would have made their decline gradual? -- *Why do psychics have to ask you for your name? * Dave Plowman London SW To e-mail, change noise into sound. |
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On Fri, 03 Mar 2017 14:15:17 +0000 (GMT), "Dave Plowman (News)"
wrote: In article , Don Pearce wrote: Just did some Googling http://www.independent.co.uk/environ...w-1026319.html Yes - I've read that before. But no explanation for the suddenness of it. Did farmers start using a new and very powerful insecticide? And adult birds can live for 20 years (in theory). So a lack of young replacements would have made their decline gradual? Yes to the first. For the second, sparrows have their predators like any other bird and as soon as a decline sets in the balance is upset to a point where the predators make short work of the remaining birds. They may theoretically live to 20, but very few did so a decline over four or five years fits the bill very well. d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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On 03/03/2017 11:14, Huge wrote:
On 2017-03-03, Don Pearce wrote: On Fri, 03 Mar 2017 01:09:42 +0000 (GMT), "Dave Plowman (News)" wrote: In article , Woody wrote: More likely the abundance of grey squirrels and magpies that steal the eggs out of the nests - and not just sparrows. That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. In Central London, where Dave lives? Lots of farms there. Not. There are quite a few, often underground. http://growup.org.uk -- Graeme Wall This account not read. |
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On Fri, 03 Mar 2017 15:05:57 +0000, Tim Streater
wrote: In article , Don Pearce wrote: On Fri, 03 Mar 2017 14:15:17 +0000 (GMT), "Dave Plowman (News)" wrote: In article , Don Pearce wrote: Just did some Googling http://www.independent.co.uk/environ...-vanishing-spa rrow-1026319.html Yes - I've read that before. But no explanation for the suddenness of it. Did farmers start using a new and very powerful insecticide? And adult birds can live for 20 years (in theory). So a lack of young replacements would have made their decline gradual? Yes to the first. For the second, sparrows have their predators like any other bird and as soon as a decline sets in the balance is upset to a point where the predators make short work of the remaining birds. There's no such thing as a "balance" as you put it. Populations of everything rise and fall for a variety of reasons. There is a balance- it is dynamic, affected by all sort of factors. The good old unstable Xi+1 = r * Xi * (1 - Xi) equation describes this more or less. But when suddenly new generations are not being raised because a food source has all but vanished, that is severely upset. The normal predation cycle no longer applies and the remaining birds are picked off ever more rapidly. Total extinction is rare, and normally a new dynamic equilibrium will be restored at a much lower population level. This will be matched some time later by a reduction in the number of predators. That is where we are now. The number of garden sparrows is way down, but not zero. It is at a sustainable level given the number of insects available. d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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Dave Plowman (News) said:
Don Pearce wrote: On 3 Mar 2017 11:14:44 GMT, Huge wrote: On 2017-03-03, Don Pearce wrote: On Fri, 03 Mar 2017 01:09:42 +0000 (GMT), "Dave Plowman (News)" In article , Woody wrote: More likely the abundance of grey squirrels and magpies that steal the eggs out of the nests - and not just sparrows. That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. In Central London, where Dave lives? Lots of farms there. Not. Doesn't matter. The surrounding countryside is where the insects bred. Do you have another explanation for the disappearance of flying insects? But other bird species didn't get wiped out so quickly. Do sparrows have a particular and picky diet? That would be odd for such a previously successful species? In the average London garden they outnumbered all others by a very large percentage. It's a long time since I was in London - what's the pigeon population like ? Is it possible they're outcompeting other species for the food ? Or seagulls ? -- Richard Robinson "The whole plan hinged upon the natural curiosity of potatoes" - S. Lem My email address is at http://qualmograph.org.uk/contact.html |
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On Fri, 03 Mar 2017 09:22:37 -0600, Richard Robinson
wrote: Dave Plowman (News) said: Don Pearce wrote: On 3 Mar 2017 11:14:44 GMT, Huge wrote: On 2017-03-03, Don Pearce wrote: On Fri, 03 Mar 2017 01:09:42 +0000 (GMT), "Dave Plowman (News)" In article , Woody wrote: More likely the abundance of grey squirrels and magpies that steal the eggs out of the nests - and not just sparrows. That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. In Central London, where Dave lives? Lots of farms there. Not. Doesn't matter. The surrounding countryside is where the insects bred. Do you have another explanation for the disappearance of flying insects? But other bird species didn't get wiped out so quickly. Do sparrows have a particular and picky diet? That would be odd for such a previously successful species? In the average London garden they outnumbered all others by a very large percentage. It's a long time since I was in London - what's the pigeon population like ? Is it possible they're outcompeting other species for the food ? Or seagulls ? Pigeons are almost gone - certainly compared to 30 years ago. There are some seagulls, but they aren't the menace I was expecting them to be. d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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On Fri, 03 Mar 2017 13:15:28 +0000 (GMT), Jim Lesurf
wrote: In article , Don Pearce wrote: On Fri, 03 Mar 2017 11:36:25 GMT, (Don Pearce) wrote: On Fri, 03 Mar 2017 11:27:38 +0000 (GMT), "Dave Plowman (News)" wrote: In article , Don Pearce wrote: That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. Again, near overnight? And in central London? Yes. d Just did some Googling http://www.independent.co.uk/environ...w-1026319.html What isn't clear from a quick read of that is why the effect might be disproportionately severe in London, which probably had fewer insects than the countryside before the decline outside London. The thought that occurred to me is that the air pollution might also weaken the birds. But I didn't see any attempt to correlate against that. Jim I don't think it is, particularly. It is just that London gardens are the places most people are used to seeing sparrows up close. In the countryside they are just another small bird. I don't think air pollution has much to do with it. I live on top of the hill in Hampstead where the air is particularly good (for London), and sparrows are rare here. But apart from bees and butterflies, flying insects are all but non-existent. So the sparrows have no food here. And of course as far as insects are concerned, London is just an island in their world of farmed land surrounding us. If the insects vanish from the farmland, they are gone from London in short order. d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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In article ,
Don Pearce wrote: They may theoretically live to 20, but very few did so a decline over four or five years fits the bill very well. But they didn't decline over 4 or 5 years here - that was my point. It happened very quickly. Over a matter of months at best - maybe even shorter. -- *Why is a boxing ring square? Dave Plowman London SW To e-mail, change noise into sound. |
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In article ,
Don Pearce wrote: It's a long time since I was in London - what's the pigeon population like ? Is it possible they're outcompeting other species for the food ? Or seagulls ? Pigeons are almost gone - certainly compared to 30 years ago. Not round here. Still as common as ever. Got parakeets now too. -- *Red meat is not bad for you. Fuzzy green meat is bad for you. Dave Plowman London SW To e-mail, change noise into sound. |
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On Fri, 03 Mar 2017 17:08:55 +0000 (GMT), "Dave Plowman (News)"
wrote: In article , Don Pearce wrote: They may theoretically live to 20, but very few did so a decline over four or five years fits the bill very well. But they didn't decline over 4 or 5 years here - that was my point. It happened very quickly. Over a matter of months at best - maybe even shorter. Maybe where you are - here it took a little longer. But if the food disappears during one season, then that is exactly what will happen. d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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Don Pearce said:
On Fri, 03 Mar 2017 09:22:37 -0600, Richard Robinson It's a long time since I was in London - what's the pigeon population like ? Is it possible they're outcompeting other species for the food ? Or seagulls ? Pigeons are almost gone - certainly compared to 30 years ago. There are some seagulls, but they aren't the menace I was expecting them to be. Okay ... London really is a unique place, then. Would you like some of ours ? -- Richard Robinson "The whole plan hinged upon the natural curiosity of potatoes" - S. Lem My email address is at http://qualmograph.org.uk/contact.html |
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On Fri, 03 Mar 2017 12:28:48 -0600, Richard Robinson
wrote: Don Pearce said: On Fri, 03 Mar 2017 09:22:37 -0600, Richard Robinson It's a long time since I was in London - what's the pigeon population like ? Is it possible they're outcompeting other species for the food ? Or seagulls ? Pigeons are almost gone - certainly compared to 30 years ago. There are some seagulls, but they aren't the menace I was expecting them to be. Okay ... London really is a unique place, then. Would you like some of ours ? It appears it's only my bit of London. But seagulls? Thieving *******s - no thanks! d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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On Fri, 03 Mar 2017 19:11:25 +0000, Tim Streater
wrote: In article , Don Pearce wrote: On Fri, 03 Mar 2017 15:05:57 +0000, Tim Streater wrote: In article , Don Pearce wrote: Yes to the first. For the second, sparrows have their predators like any other bird and as soon as a decline sets in the balance is upset to a point where the predators make short work of the remaining birds. There's no such thing as a "balance" as you put it. Populations of everything rise and fall for a variety of reasons. There is a balance- it is dynamic, affected by all sort of factors. The good old unstable Xi+1 = r * Xi * (1 - Xi) equation describes this more or less. But when suddenly new generations are not being raised because a food source has all but vanished, that is severely upset. You're assuming the food source has vanished. And sparrows here eat a variety of things, not just insects. You don't know that. The simple equation you give above describes simple behaviour. The factors influencing the population of sparrows is going to be correspondingly more complex, and for all you know that may make the population values vary wildly and unpredictably. Of course I'm simplifying. But the fact is that sparrows disappeared at - as far as I can remember - the same time as the flying insects. Insects are their main summer food. Now we have two options here. Either the insects vanished and the sparrows starved, or the sparrows ate all the insects. I don't think this is the forum for going into the minutiae of the food chain of the sparrow. Either we keep it simple or we don't bother. d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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Don Pearce said:
On Fri, 03 Mar 2017 12:28:48 -0600, Richard Robinson Don Pearce said: On Fri, 03 Mar 2017 09:22:37 -0600, Richard Robinson It's a long time since I was in London - what's the pigeon population like ? Is it possible they're outcompeting other species for the food ? Or seagulls ? Pigeons are almost gone - certainly compared to 30 years ago. There are some seagulls, but they aren't the menace I was expecting them to be. Okay ... London really is a unique place, then. Would you like some of ours ? It appears it's only my bit of London. But seagulls? Thieving *******s - no thanks! Damn. Oh well, it was worth a try. -- Richard Robinson "The whole plan hinged upon the natural curiosity of potatoes" - S. Lem My email address is at http://qualmograph.org.uk/contact.html |
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On 03/03/2017 12:35, Don Pearce wrote:
Just did some Googling http://www.independent.co.uk/environ...w-1026319.html Funny that, they're doing fine here. And we have an agribusiness (not organic!) at the bottom of the garden. I must get around to building them some boxes. They keep getting into the roof. Andy |
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In article , Richard
Robinson scribeth thus Dave Plowman (News) said: Don Pearce wrote: On 3 Mar 2017 11:14:44 GMT, Huge wrote: On 2017-03-03, Don Pearce wrote: On Fri, 03 Mar 2017 01:09:42 +0000 (GMT), "Dave Plowman (News)" In article , Woody wrote: More likely the abundance of grey squirrels and magpies that steal the eggs out of the nests - and not just sparrows. That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. In Central London, where Dave lives? Lots of farms there. Not. Doesn't matter. The surrounding countryside is where the insects bred. Do you have another explanation for the disappearance of flying insects? But other bird species didn't get wiped out so quickly. Do sparrows have a particular and picky diet? That would be odd for such a previously successful species? In the average London garden they outnumbered all others by a very large percentage. It's a long time since I was in London - what's the pigeon population like ? Is it possible they're outcompeting other species for the food ? Or seagulls ? I think that domestic moggy's have a lot to do with it;(.. -- Tony Sayer |
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On 03/03/2017 23:56, tony sayer wrote:
In article , Richard Robinson scribeth thus Dave Plowman (News) said: Don Pearce wrote: On 3 Mar 2017 11:14:44 GMT, Huge wrote: On 2017-03-03, Don Pearce wrote: On Fri, 03 Mar 2017 01:09:42 +0000 (GMT), "Dave Plowman (News)" In article , Woody wrote: More likely the abundance of grey squirrels and magpies that steal the eggs out of the nests - and not just sparrows. That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. In Central London, where Dave lives? Lots of farms there. Not. Doesn't matter. The surrounding countryside is where the insects bred. Do you have another explanation for the disappearance of flying insects? But other bird species didn't get wiped out so quickly. Do sparrows have a particular and picky diet? That would be odd for such a previously successful species? In the average London garden they outnumbered all others by a very large percentage. It's a long time since I was in London - what's the pigeon population like ? Is it possible they're outcompeting other species for the food ? Or seagulls ? I think that domestic moggy's have a lot to do with it;(.. Makes sense to me, at least for my small garden. Also, this issue of enticing/demise of small birds in urban gardens came up on gardener's question time the other day - and at least one mentioned cats as the single most significant cause. -- Cheers, Rob |
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On 03/03/2017 23:56, tony sayer wrote:
In article , Richard Robinson scribeth thus Dave Plowman (News) said: Don Pearce wrote: On 3 Mar 2017 11:14:44 GMT, Huge wrote: On 2017-03-03, Don Pearce wrote: On Fri, 03 Mar 2017 01:09:42 +0000 (GMT), "Dave Plowman (News)" In article , Woody wrote: More likely the abundance of grey squirrels and magpies that steal the eggs out of the nests - and not just sparrows. That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. In Central London, where Dave lives? Lots of farms there. Not. Doesn't matter. The surrounding countryside is where the insects bred. Do you have another explanation for the disappearance of flying insects? But other bird species didn't get wiped out so quickly. Do sparrows have a particular and picky diet? That would be odd for such a previously successful species? In the average London garden they outnumbered all others by a very large percentage. It's a long time since I was in London - what's the pigeon population like ? Is it possible they're outcompeting other species for the food ? Or seagulls ? I think that domestic moggy's have a lot to do with it;(.. Somewhere I read the average cat kills 2 birds a year, trouble is there are around 20 million domestic moggies. -- Graeme Wall This account not read. |
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In article ,
RJH wrote: I think that domestic moggy's have a lot to do with it;(.. Makes sense to me, at least for my small garden. Also, this issue of enticing/demise of small birds in urban gardens came up on gardener's question time the other day - and at least one mentioned cats as the single most significant cause. Think I'd have noticed the sudden appearance of packs of cats needed to catch all those sparrows in such a short time. Odd they never caught the robins which appear as normal. -- *Save the whale - I'll have it for my supper* Dave Plowman London SW To e-mail, change noise into sound. |
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Dave Plowman (News):
In article , Yes, in the circumstances. But it's kind of a pity for anybody in the UK who does care about such music, especially any students who might have spent years of their life working towards getting a place in such an orchestra. But, as you say, inevitable. Just one of the smaller reasons why I do not have a good opinion of Brexit. Quite. Can you imagine BMW - who own the Mini factory in the UK - having to apply for a visa to send over an engineer to trouble shoot something that crops up? Likewise with any such European organisation that have a presence here. Dave Plowman London SW Where does all this come from - why do you think we would impose visa requirments on the EU - we don't on Norway, or the US etc etc. It is entirely up to the UK (now) who, and under what conditions, we allow to enter the country to sing, dance or make Minis. We have a long (centuries) old tradition of allowing performers free access - why would we stop ? Under EU rules we are obliged to sanction far more of the world than we are outside them. MK |
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In article ,
Michael Kellett wrote: Dave Plowman (News): In article , Yes, in the circumstances. But it's kind of a pity for anybody in the UK who does care about such music, especially any students who might have spent years of their life working towards getting a place in such an orchestra. But, as you say, inevitable. Just one of the smaller reasons why I do not have a good opinion of Brexit. Quite. Can you imagine BMW - who own the Mini factory in the UK - having to apply for a visa to send over an engineer to trouble shoot something that crops up? Likewise with any such European organisation that have a presence here. Where does all this come from - why do you think we would impose visa requirments on the EU - we don't on Norway, or the US etc etc. It is entirely up to the UK (now) who, and under what conditions, we allow to enter the country to sing, dance or make Minis. We have a long (centuries) old tradition of allowing performers free access - why would we stop ? Under EU rules we are obliged to sanction far more of the world than we are outside them. You didn't notice one of the main reasons many voted out was to control immigration from the EU? So just how do you do that while allowing free access to anyone? You'd have to basically stop everyone from coming to this country. Then give permission (visa, etc) to those you wish to admit. -- *Puritanism: The haunting fear that someone, somewhere may be happy. Dave Plowman London SW To e-mail, change noise into sound. |
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Michael Kellett said:
Dave Plowman (News): Quite. Can you imagine BMW - who own the Mini factory in the UK - having to apply for a visa to send over an engineer to trouble shoot something that crops up? Likewise with any such European organisation that have a presence here. Where does all this come from - why do you think we would impose visa requirments on the EU - we don't on Norway, or the US etc etc. It is entirely up to the UK (now) who, and under what conditions, we allow to enter the country to sing, dance or make Minis. We have a long (centuries) old tradition of allowing performers free access - why would we stop ? Under EU rules we are obliged to sanction far more of the world than we are outside them. This thread /did/ start with the example of an orchestra that seems to think it has valid reasons for concern on this, ahem, score. -- Richard Robinson "The whole plan hinged upon the natural curiosity of potatoes" - S. Lem My email address is at http://qualmograph.org.uk/contact.html |
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In article ,
Richard Robinson wrote: Michael Kellett said: Dave Plowman (News): Quite. Can you imagine BMW - who own the Mini factory in the UK - having to apply for a visa to send over an engineer to trouble shoot something that crops up? Likewise with any such European organisation that have a presence here. Where does all this come from - why do you think we would impose visa requirments on the EU - we don't on Norway, or the US etc etc. It is entirely up to the UK (now) who, and under what conditions, we allow to enter the country to sing, dance or make Minis. We have a long (centuries) old tradition of allowing performers free access - why would we stop ? Under EU rules we are obliged to sanction far more of the world than we are outside them. This thread /did/ start with the example of an orchestra that seems to think it has valid reasons for concern on this, ahem, score. If it weren't so sad it would be funny. The majority who voted have voted out - to control immigration from the EU. To stop EU workers coming here 'taking our jobs' And 'depressing wages'. And using services 'they haven't paid for' Without much of a clue as to how this could be achieved in practice. Perhaps they might say what alternatives there would be to a Visa, etc? Let in anyone with 'musician' on their passport? -- *Support bacteria - they're the only culture some people have * Dave Plowman London SW To e-mail, change noise into sound. |
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On 04/03/2017 16:28, Dave Plowman (News) wrote:
In article , Richard Robinson wrote: Michael Kellett said: Dave Plowman (News): Quite. Can you imagine BMW - who own the Mini factory in the UK - having to apply for a visa to send over an engineer to trouble shoot something that crops up? Likewise with any such European organisation that have a presence here. Where does all this come from - why do you think we would impose visa requirments on the EU - we don't on Norway, or the US etc etc. It is entirely up to the UK (now) who, and under what conditions, we allow to enter the country to sing, dance or make Minis. We have a long (centuries) old tradition of allowing performers free access - why would we stop ? Under EU rules we are obliged to sanction far more of the world than we are outside them. This thread /did/ start with the example of an orchestra that seems to think it has valid reasons for concern on this, ahem, score. If it weren't so sad it would be funny. The majority who voted have voted out - to control immigration from the EU. To stop EU workers coming here 'taking our jobs' And 'depressing wages'. And using services 'they haven't paid for' Without much of a clue as to how this could be achieved in practice. Or even whether it was true in the first place. -- Graeme Wall This account not read. |
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"RJH" wrote in message ... On 03/03/2017 23:56, tony sayer wrote: In article , Richard Robinson scribeth thus Dave Plowman (News) said: Don Pearce wrote: On 3 Mar 2017 11:14:44 GMT, Huge wrote: On 2017-03-03, Don Pearce wrote: On Fri, 03 Mar 2017 01:09:42 +0000 (GMT), "Dave Plowman (News)" In article , Woody wrote: More likely the abundance of grey squirrels and magpies that steal the eggs out of the nests - and not just sparrows. That wouldn't explain the sparrows round here disappearing so quickly. I assumed it was some sort of virus or whatever. And if it were predators stealing eggs, why are there so many pigeons? No, it's farmers. They have killed all the small insects which are the sparrows' main food source. In Central London, where Dave lives? Lots of farms there. Not. Doesn't matter. The surrounding countryside is where the insects bred. Do you have another explanation for the disappearance of flying insects? But other bird species didn't get wiped out so quickly. Do sparrows have a particular and picky diet? That would be odd for such a previously successful species? In the average London garden they outnumbered all others by a very large percentage. It's a long time since I was in London - what's the pigeon population like ? Is it possible they're outcompeting other species for the food ? Or seagulls ? I think that domestic moggy's have a lot to do with it;(.. Makes sense to me, at least for my small garden. Also, this issue of enticing/demise of small birds in urban gardens came up on gardener's question time the other day - and at least one mentioned cats as the single most significant cause. No doubt true. At home, our cat wears a collar with a bell, and has given up trying to catch the birds. At the summer cottage. he becomes a silent predator and has a collar with just an identity disk, and catches three or four a field mice or voles every day. I have noticed that when there are plenty of voles, moles etc, the numbers of owls and hawks increase dramatically. In leaner years, when these birds have less to eat, they too decrease in numbers, which makes me think that Don's analysis of the situation is correct. Iain |
Baroque Musical Chairs
In article , Graeme Wall
writes: Somewhere I read the average cat kills 2 birds a year, trouble is there are around 20 million domestic moggies. 10.3 million, according to the lastest peer-reviewed paper. -- Mike Fleming |
Baroque Musical Chairs
On Sat, 04 Mar 2017 19:19:29 +0000, Mike Fleming
wrote: In article , Graeme Wall writes: Somewhere I read the average cat kills 2 birds a year, trouble is there are around 20 million domestic moggies. 10.3 million, according to the lastest peer-reviewed paper. That figure makes me think that the impact of cat predation on the population is close to zero. In general the number of creatures an area can support is in inverse proportion to their size. Sparrows are minute. d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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On 04/03/2017 19:19, Mike Fleming wrote:
In article , Graeme Wall writes: Somewhere I read the average cat kills 2 birds a year, trouble is there are around 20 million domestic moggies. 10.3 million, according to the lastest peer-reviewed paper. I'd doubled up already, obviously, that's 20 million birds a year -- Graeme Wall This account not read. |
Baroque Musical Chairs
On Sat, 4 Mar 2017 19:36:54 +0000, Graeme Wall
wrote: On 04/03/2017 19:19, Mike Fleming wrote: In article , Graeme Wall writes: Somewhere I read the average cat kills 2 birds a year, trouble is there are around 20 million domestic moggies. 10.3 million, according to the lastest peer-reviewed paper. I'd doubled up already, obviously, that's 20 million birds a year Still next to nothing. d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
Baroque Musical Chairs
On Sat, 04 Mar 2017 19:50:39 GMT, (Don Pearce) wrote:
On Sat, 4 Mar 2017 19:36:54 +0000, Graeme Wall wrote: On 04/03/2017 19:19, Mike Fleming wrote: In article , Graeme Wall writes: Somewhere I read the average cat kills 2 birds a year, trouble is there are around 20 million domestic moggies. 10.3 million, according to the lastest peer-reviewed paper. I'd doubled up already, obviously, that's 20 million birds a year Still next to nothing. Actually, I just looked up the RSPB figures on the population of house sparrows. 5.4 million mating pairs. So 20 million cat victims sounds like a number someone has pulled out of the air. d --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
Baroque Musical Chairs
On 04/03/2017 20:08, Don Pearce wrote:
On Sat, 04 Mar 2017 19:50:39 GMT, (Don Pearce) wrote: On Sat, 4 Mar 2017 19:36:54 +0000, Graeme Wall wrote: On 04/03/2017 19:19, Mike Fleming wrote: In article , Graeme Wall writes: Somewhere I read the average cat kills 2 birds a year, trouble is there are around 20 million domestic moggies. 10.3 million, according to the lastest peer-reviewed paper. I'd doubled up already, obviously, that's 20 million birds a year Still next to nothing. Actually, I just looked up the RSPB figures on the population of house sparrows. 5.4 million mating pairs. So 20 million cat victims sounds like a number someone has pulled out of the air. All birds, not just sparrows. -- Graeme Wall This account not read. |
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