challenge Question # 6
From: Jeremiah Monkman <06MonkmJ@hornets.husd4.org>
Date: Wed Apr 13 2005 - 15:57:14 EDT
There are not many variables that can contribute to the early migration of the hummingbird. The first is the weather though. It got warmer early this year for a short span. The hummingbirds might have thought that it was warming up for good. The reason the Rufous shows up before the ruby-throated is because its breeding area is farther north and west than the ruby-throated.
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