The population of monarchs declined sharply in the last decade, experts say.
fluttered a step closer to extinction Thursday, as scientists put the iconic orange-and-black insect on the endangered list because of its fast dwindling numbers.
The group estimates that the population of monarch butterflies in North America has declined between 22% and 72% over 10 years, depending on the measurement method. A monarch butterfly feeds near Thompsons Beach in Maurice River Township, N.J., Thursday, Oct. 15, 2020. Lori M. Nichols | NJ Advance Media for NJ.comIn North America, millions of monarch butterflies undertake the longest migration of any insect species known to science., breeding multiple generations along the way for thousands of miles. The offspring that reach southern Canada then begin the trip back to Mexico at the end of summer.
“There are things people can do to help,” she said, including planting milkweed, a plant that the caterpillars depend upon.The United States hasmonarch butterflies under the Endangered Species Act, but several environmental groups believe it should be listed.
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