Over the last 20 years, weve noticed a decline in numbers, says Lauren Tuzzolino, who works in the Butterfly Pavilion at the National Museum of Natural History. A lot of it is with habitat loss—they dont have the same resources for milkweed that they used to have. Milkweed is crucial to migrating monarchs because it provides the butterflies with a place to lay their eggs—and acts as a source of food for the caterpillars born from those eggs. While their numbers are on the decline, the monarchs migration is still a magnificent sight—and something that can be seen across thousands of miles. And, some say that encouraging tourism to monarch wintering spots, especially those in Mexico, might be a way to save the monarchs from doom. via Western Monarch yahoo group
Posted on: Sun, 25 Jan 2015 00:59:59 +0000
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