![Monarch butterflies down 26% in Mexico wintering grounds](https://s2.storage.snapzu.com/8a/c2/e0/08/ticktack/snaps/8c/15/269251/thumbs/c7f3602c0d79e8af_fpi_large.jpg)
The number of monarch butterflies that showed up at their winter resting grounds in central Mexico decreased by about 26% this year, and four times as many trees were lost to illegal logging, drought and other causes, making 2020 a bad year for the butterflies.
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