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Monitoring the Monarchs

by on June 17, 2008

A multi-generational migration route includes Pacific Grove, CA, where monarch butterflies fill the air and form large clusters on tree branches. The Ventana Wildlife Society explains how their amazing journey is tracked.

one comment:

Scott Van Tyle on October 11th, 2013 at 12:06 pm

The season is just beginning in P.G. Only a few clusters have formed, probably 20 to 50 Monarchs have arrived as the first wave of overwintering butterflies. Hoping for another good season onsite.

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