Monarch butterflies have magnitite (a mineral) inside their heads and this helps them determine 'North', just like a magnet.
Florida wildfires
Florida wildfires The southeastern tip of the drought-stricken
Florida mainland is experiencing the latest of thousands of fires
that have raged across the state this year. Crews are working to
keep this fire from jumping into the Everglades National Park, and
it has already forced the closure of the major highway connecting
the mainland to the Florida Keys islands. APRIL 28, 2001
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