World Wildlife Fund (WWF)5d
Eastern monarch butterfly population nearly doubles in 2025
The population wintering in central Mexico's forests occupied 4.42 acres, up from 2.22 acres during the previous winter.
National Plant a Flower Day: Help pollinators like monarch butterflies with your garden
National Plant a Flower Day is all about celebrating the beauty of flowers. Planting them can also help save pollinators like ...
America’s butterflies are disappearing at a ‘catastrophic’ rate
US butterfly populations are declining because of insecticides, climate change and habitat loss, with the number of the ...
Butterfly populations declining rapidly in U.S. with 22% disappearing in 2 decades, study finds
A study, published Thursday in the journal Science, found that 22% of butterflies in the United States disappeared between ...
Monarch butterflies wintering in Mexico rebound this year
Monarchs from east of the Rocky Mountains in the United States and Canada overwinter in the mountains west of Mexico City.
ABC News6d
Monarch butterflies wintering in Mexico rebound this year
The number of monarch butterflies wintering in the mountains ... butterflies covered 4.4 acres (1.79 hectares) compared to only 2.2 acres (0.9 hectares) the year before. Last year’s figure ...
9NEWS5d
Monarch butterflies wintering in Mexico rebound this year
MEXICO CITY, Mexico — The number of monarch butterflies wintering in the mountains ... compared to only 2.2 acres (0.9 hectares) the year before. Last year’s figure represented a 59% drop ...