Monarch butterflies, a butterfly that winters in Mexico, have decreased by nearly 60%, perhaps due to climate change
毎年、メキシコ中西部で越冬するチョウ「オオカバマダラ」の数が、今年は大幅に減っていることが分かりました
It has been found that the number of monarch butterflies that winter in central and central Mexico every year has decreased significantly this year.
Possible effects of climate change
Forest area in central and central Mexico
Every year around February, Monarch butterflies from Canada and the United States fly thousands of kilometers to come here to breed and spend the winter.
Experts have pointed out that this year, the number has decreased by nearly 60% compared to previous years.
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