Summer is definitely upon us.  And that got me thinking about something I recently read about.

It isn’t uncommon to see butterflies migrating in late summer.  Some people get to see hundreds of them (at one time) clinging to tree limbs as they rest on their journey.

Some scientists reported finding 16 sites in central Mexico (ranging from 1-10 acres each) where millions and millions of monarch butterflies from North America spend the winter.  Continue reading →