Endangered monarch butterfly population falls 22%
STORY: Location: El Rosario, Mexico
Source: Mexico’s National Commission of Natural Protected Areas
Mexico's monarch butterfly population has fallen by 22%
Millions of these butterflies migrate to Mexico each year from Canada to hibernate
but fewer arrived during the 2022 winter period
Date: March 21, 2023
[Adan Pena, Head of National Commission of Natural Protected Areas]
"The area of forest occupied by the monarch butterfly between 2022-2023 is 2.21 hectares. This is more than the area occupied in 2020. In 2021-2022 we had an upturn due to weather conditions. In that sense, there were also some variations due to low temperatures and the climatic phenomenon that continues to affect this process, but these are the regular figures."
The International Union for the Conservation of Nature has declared the species endangered
and says its population has fallen between 22% and 72% over the past decade
Experts blame climate change, pesticides, and illegal logging for the population decline
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