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Index of Subjects On 16/04/2014 9:05 PM, David & Alison Webster wrote: > Hi Doug & All, Apr 16, 2014 > Reader beware is a good rule of thumb for all printed material. > Mistakes can be invisible throughout a long process of review and > editing, or slip in during proof 'correction' and no account which > anyone will read can cover all aspects in detail. > > <. . . > > > No mention is made of overwintering in California but other than > that I don't know how the passage that you singled out is misleading. > Is only the trip north multigenerational ? In a word: Yes. The trip south is (generally) the fourth generation, which is the only one that lives for more than a few weeks. The monarchs hatched in Nova Scotia fly all the way to Mexico, overwinter, and are the first generation to head north. So the writer got it totally backward. And yes, I understand that western monarchs overwinter in California, which she doesn't mention. Doug > ----- Original Message ----- From: "Doug Linzey" <doug@fundymud.com> > To: <naturens@chebucto.ns.ca> > Sent: Wednesday, April 16, 2014 6:15 PM > Subject: Re: [NatureNS] Monarchs meals effect migration > > >> I'm not inclined to give much credence to an article that includes >> this clearly misleading paragraph: >> >> "Every autumn, millions of monarchs fly south and west from southern >> Canada and the United States to the forests of the Mexican states of >> Michoacan and Mexico, stopping at sites along the way to breed and >> feed—a process that spans five generations. After spending the winter >> in Mexico, a new generation of insects begins the long journey >> northward toward the U.S.-Canada border." >> >> Note: this is not what Davis says in his research paper. Rather, it's >> something made up by the National Geographic contributor and allowed >> into print by a lack of editing and fact checking. Sad to see on the >> website of a formerly prestigious publication. >> >> Doug Linzey >> >> On 16/04/2014 1:17 PM, Larry Bogan wrote: >>> Andrew Davis, originally from Port Williams has studied Monarch and >>> the follow describes his results >>> http://newswatch.nationalgeographic.com/2014/04/15/monarch-butterflies-mexico-animals-science-environment-migration-colors/ >>> >>> The original paper is in the reference. >> >> >> ----- >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2014.0.4569 / Virus Database: 3882/7349 - Release Date: >> 04/15/14 >> > >
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