DeniseGutzmer , The number of #monarchbutterflies at their Mexico wintering sites plummeted by 59% this year to the second lowest level since record keeping began, experts said, blaming heat, #drought and loss of habitat.
The butterflies’ migration from Canada and the United States to Mexico and back again is considered a marvel of nature.
https://apnews.com/article/mexico-monarch-butterflies-climate-change-9b8a69f58f3f576af0413fd045340c6e