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leaving Mexico

Debra Clark (dclark@mailhost.winslow-jhs.u52.k12.me.us)
Tue, 3 Mar 1998 10:45:19 -0500

We think that the monarch butterflies leave Mexico when the weather gets
warmer. We also think that instinct has something to do with it. When the
butterflies see budding flowers in Mexico, they know that there will be
flowers beginning to bud further north on their migration path.