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

To: Laurie Knight <>
Subject: US songbirds getting smaller, possibly as a result of climate change
From: Ian May <>
Date: Sat, 13 Mar 2010 19:28:54 +1100
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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