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Study: Hummingbirds migrating earlier in spring

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  • conservative scientist Lindon, UT
    Feb. 17, 2013 2:56 p.m.

    The first paragraph indicates that higher temperatures may be the cause of earlier migration - causing us all to think of global warming, and prompting the million dollar question "How warm was it the last few months where they normally spend the winter - especially how much higher than average?". No answer is ever given or even attempted. Please supply us with some actual scientific data.