3.
BUTTER FLY-CICLES
The deaths of millions of monarch butterflies this month in Mexico
may have been caused by a winter freeze, not pesticide-spraying by
loggers, as one environmental group alleged last week.  Mexico's
environmental agency said on Monday that it had tested 300 butterfly
corpses and found no traces of toxic substances from pesticides,
leading it to conclude that cold temperatures caused the die-off.
The World Wildlife Fund, which has been helping preserve the
monarchs' winter habitat in Mexico, also said the freeze was the more
likely cause of the deaths.

straight to the source:  MSNBC.com, 13 Mar 2001
<http://www.msnbc.com/news/540501.asp>

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