American Robin American Robin
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Note: These Challenge Questions coincide with the Spring 2004 Reports

From: by way of Jane Duden Journey North (susamel@netscape.net)
Date: Mon Mar 08 2004 - 16:25:02 EST

  • Next message: by way of Jane Duden Journey North: "Challenge Question # 3"

    We think the first robin will arrive on April 29 with the 36th degree isotherm. Ornithologists observe that the robin follows the 36 or 37 degree isotherm during their migration.

    Isellin Middle School/grade 7

    Javed
    Gabriel
    Justin M
    Shivam
    Eliott



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