Comments on: CA Birds Are Getting Bigger; PA Birds Are Getting Smaller http://blogs.discovermagazine.com/80beats/2011/11/09/ca-birds-are-getting-bigger-pa-birds-are-getting-smaller/ Mon, 22 Apr 2013 21:34:00 +0000 hourly 1 http://wordpress.org/?v=3.4.2 By: Matt http://blogs.discovermagazine.com/80beats/2011/11/09/ca-birds-are-getting-bigger-pa-birds-are-getting-smaller/#comment-30253 Matt Mon, 14 Nov 2011 03:06:18 +0000 http://blogs.discovermagazine.com/80beats/?p=33190#comment-30253 Is there any possibility that this could simply be due to genetic drift and isolated populations? Is there any possibility that this could simply be due to genetic drift and isolated populations?

]]> By: Iain http://blogs.discovermagazine.com/80beats/2011/11/09/ca-birds-are-getting-bigger-pa-birds-are-getting-smaller/#comment-30251 Iain Thu, 10 Nov 2011 02:47:14 +0000 http://blogs.discovermagazine.com/80beats/?p=33190#comment-30251 People are getting bigger too. Is it junk food or warming, hmmmmmmmm I need a few million dollars to blame this on CO2. People are getting bigger too. Is it junk food or warming, hmmmmmmmm I need a few million dollars to blame this on CO2.

]]> By: Andrew http://blogs.discovermagazine.com/80beats/2011/11/09/ca-birds-are-getting-bigger-pa-birds-are-getting-smaller/#comment-30250 Andrew Wed, 09 Nov 2011 20:02:33 +0000 http://blogs.discovermagazine.com/80beats/?p=33190#comment-30250 Could the increase in size be related to a possible increase in brain size due to selective pressures for smarter birds? Could the increase in size be related to a possible increase in brain size due to selective pressures for smarter birds?

]]> By: Jazz http://blogs.discovermagazine.com/80beats/2011/11/09/ca-birds-are-getting-bigger-pa-birds-are-getting-smaller/#comment-30249 Jazz Wed, 09 Nov 2011 14:37:25 +0000 http://blogs.discovermagazine.com/80beats/?p=33190#comment-30249 nothing strange, I've seen plenty of them eating McDonalds waste that people use to leave around. Global warming? Global junk food! nothing strange, I’ve seen plenty of them eating McDonalds waste that people use to leave around. Global warming? Global junk food!

]]> By: Jeff http://blogs.discovermagazine.com/80beats/2011/11/09/ca-birds-are-getting-bigger-pa-birds-are-getting-smaller/#comment-30248 Jeff Wed, 09 Nov 2011 13:57:14 +0000 http://blogs.discovermagazine.com/80beats/?p=33190#comment-30248 Was about to say that even suggesting this is likely due to climate change is irresponsible, but Discover more or less beat me to it. Too many factors could result in that small of a change. Any conclusion without an unreasonably large test range could only be attributed to bad science or fishing for data to support a conclusion. Was about to say that even suggesting this is likely due to climate change is irresponsible, but Discover more or less beat me to it. Too many factors could result in that small of a change.

Any conclusion without an unreasonably large test range could only be attributed to bad science or fishing for data to support a conclusion.

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