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Monarch butterflies are renowned for their migration. Yet no single monarch has ever completed the 2,000 mile round trip – it is generational in nature because of the sheer distance involved. There being safety in numbers this leads to what is surely one of nature’s most spectacular sights – that of millions of monarchs congregating together.
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Reacties (4)
Vol is vol! Eigen vlindervolk eerst!
I see math people.
ook heel belangrijk!
http://www.youtube.com/watch?v=l5kBm9M1D1k
In Midwest, Flutters May Be Far Fewer
“Monarch production has decreased significantly” Dr. Pleasants said. “The reduction is caused by loss of milkweed resources available to them.”