birding-aus

US songbirds getting smaller, possibly as a result of climate change

To: Ian May <>
Subject: US songbirds getting smaller, possibly as a result of climate change
From: Chris Sanderson <>
Date: Sat, 13 Mar 2010 18:49:45 +1000
C'mon Ian, Laurie didn't write the report!  Why attack him for linking a
possibly interesting article, peer-reviewed or not?  Discuss the content if
you must, but don't shoot the messenger.

Regards,
Chris

On Sat, Mar 13, 2010 at 6:28 PM, Ian May <> wrote:

> C'mon Laurie!   It's not April 1 yet.   Didn't we read last year that birds
> forced up the mountains by higher temperatures are becoming smaller too.  If
> this keeps going, crows will be smaller than blow flies.
>
> Are these climate change findings an example of robust peer reviewed
> science or just quotes from grey literature?
>
>
> Regards
>
>
> Ian
>
> Laurie Knight wrote:
>
>  http://news.bbc.co.uk/earth/hi/earth_news/newsid_8560000/8560694.stm
>>
>>  Climate linked to smaller birds
>> By Matt Walker
>>
>> Editor, Earth News
>>
>> Songbirds in the US are getting smaller, and climate change is  suspected
>> as the cause.
>>
>> A study of almost half a million birds, belonging to over 100 species,
>>  shows that many are gradually becoming lighter and growing shorter  wings.
>>
>> This shrinkage has occurred within just half a century, with the birds
>>  thought to be evolving into a smaller size in response to warmer
>>  temperatures.
>>
>>
>>
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