b-fly releases at events
paulcher at concentric.net
Sun Sep 26 16:15:33 EDT 1999
Mark Berman wrote:
> it doesn't seem as if these data support
> your statement that "genetic programming" was unaffected by the displaced
> releases presented below (**note comments below).
The displaced releases demonstrated that eastern monarchs released in the western USA and
western Canada were able to orient toward and find the California overwintering sites and
that California monarchs released in North Dakota headed for the Mexican overwintering
sites along the same general path taken by monarchs "indigenous" to North Dakota.
In short, the displaced monarchs, shipped across the Rockies, were not "mixed up" and
"unable to oreint propertly" as Glassberg,Pyle,Opler and Tuttle speculated with an alarmist
intonation - below is what they wrote:
"Now imagine tens of thousands of mixed-up Monarchs unable to find the way to their
overwintering grounds. This depressing image may become a reality if the rapidly-growing
fad of releasing butterflies, including Monarch butterflies, at weddings, state fairs, and other
public events continues to spread. Because the released Monarchs may have come from
California, for instance, where they do not migrate to Mexico, their offspring may not be
able to orient properly"
Paul Cherubini, Placerville, California
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