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California biologists have recorded a dramatic decline in the number of king butterflies, their number having been about ten times lower since 2017 and having been extinct.
According to estimates by the Xerces company, less than 30,000 species of king butterflies were listed in a recent survey, 86% less than at the same census in 2017. Scientists Another example of the 1981 data, the number of butterflies more than a million butterflies.
The latest statistical report confirms that there is no evidence of late migration of the royal butterflies, indicating the high and rapid level of mortality and extinction of these moths.
Royal butterflies are the most famous types of beautiful butterflies in North America, where tourists flock to take pictures with them.
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