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Monarch butterfly migration to Mexico drops 53%

Christian Fernsby ▼ | March 17, 2020
Mexico's forests this winter received 53% fewer monarch butterflies, a species that migrates south from Canada and the United States, according to figures published this week.
Monarch butterfly
Animals   Monarch butterfly
Environmental organization World Wildlife Federation said that in the November-to-March season, monarch butterflies occupied 2.83 hectares of forests in the states of Michoacan and Mexico, as opposed to the 6.05 hectares they occupied in the 2018-2019 season.

The drop is "not alarming" because the presence of butterflies in the previous season had been atypically high, "but we must remain vigilant so that it does not become a trend in the coming years," said Jorge Rickards, Director General of WWF Mexico.

WWF partly attributed the drop to lower temperatures in Texas, a breeding site, causing "slower growth of eggs and larvae in the spring" and subsequently reducing the monarch butterfly population and the number that was able to migrate.

Earlier this year, two activists protecting the monarch butterfly from the dual threat of climate change and illegal deforestation Homer Gomez and Raul Hernandez were reportedly found murdered within the space of a week.


 

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