Warm weather brings butterfly boom to Chicago

April 19, 2012 5:26:55 AM PDT
The warm temperatures in March are fueling a butterfly boom in the Chicago area.

Experts say butterflies like the yellow-tipped mourning cloak have already emerged from hibernation in local trees.

Other species like the red admiral have migrated early from the south.

They are sipping nectar from lilac bushes and apple trees, which bloomed ahead of schedule this year.


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