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One in five butterflies lost in the US since 2000, study finds.

news.mongabay.com One in five butterflies lost in the US since 2000, study finds

A study in the United States found a dramatic 22% decline in butterfly populations between 2000 and 2020. Previous research has focused on a specific butterfly species or regions of the country. For this study, researchers wanted to understand overall butterfly population trends across the U.S. They...

One in five butterflies lost in the US since 2000, study finds

A study in the United States found a dramatic 22% decline in butterfly populations between 2000 and 2020.

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