US EditionCo-ordinated plan needed to save ‘alarmingly low’ monarch butterfly population: Study
A study highlights an 80% decline in monarch butterflies over 20 years, urging $150 million investment across North America to restore critical milkweed habitats, researchers say.
- On Aug. 29, 2025, researchers urged Canada, United States and Mexico to take immediate action to save monarchs, with Ryan Norris warning counts are alarmingly low and risk is severe.
- Loss of milkweed and other habitat in the U.S. Midwest has caused about an 80 per cent monarch decline, with fewer than 40 million butterflies last winter versus a 132 million target, researchers report.
- Policy moves include more than $10 million funding 79 Department-funded projects since 2017, securing over 4,300 hectares and improving more than 4,900 hectares, while the U.S. Fish and Wildlife Service proposes listing the monarch as threatened and a $150 million proposal supports restoration.
- Norris cautioned that the monarch population is alarmingly low and fears they may vanish without intensified conservation efforts.
- The paper proposes a co-ordinated tri-national strategy urging Canada, the United States and Mexico to jointly restore monarch habitat, with Tyler Flockhart recommending most investment focus on the U.S. Midwest due to monarch migration and reproductive diapause.
29 Articles
29 Articles
Co-ordinated plan needed to save ‘alarmingly low’ monarch butterfly population: study
Researchers are urging Canada, United States and Mexico to take immediate action to save the monarch butterfly as the migratory insect faces a growing risk of extinction amid habitat loss.
The population of this iconic butterfly has decreased by about 80% over the past two decades.
Researchers urge Canada, the United States and Mexico to take immediate action to save the monarch butterfly, as this migratory insect faces an increasing risk of extinction due to habitat loss.
Co-ordinated plan necessary to save 'alarmingly low' monarch butterfly population: study
Researchers are urging Canada, United States and Mexico to take immediate action to save the monarch butterfly as the migratory insect faces a growing risk of extinction amid habitat loss.
Winnipeg Free Press
Co-ordinated plan needed to save 'alarmingly low' monarch butterfly population: study
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