Monarchs Covered 53 Percent Less Area in Mexico this Winter
Monarchs Covered 53 Percent Less Area in Mexico this Winter
The decline in total occupied forest may not equate to an overall loss in butterfly numbers, but scientists are still concerned that their populations are suffering.
Monarchs Covered 53 Percent Less Area in Mexico this Winter
Monarchs Covered 53 Percent Less Area in Mexico this Winter

The decline in total occupied forest may not equate to an overall loss in butterfly numbers, but scientists are still concerned that their populations are suffering.

The decline in total occupied forest may not equate to an overall loss in butterfly numbers, but scientists are still concerned that their populations are suffering.

monarch butterflies
Mexico’s Monarch Butterfly Defender Found Dead
Mexico’s Monarch Butterfly Defender Found Dead
Ashley Yeager | Jan 30, 2020
Details of Homero Gómez González’s death are not yet known.
Image of the Day: Poison Tolerance
Image of the Day: Poison Tolerance
Emily Makowski | Oct 3, 2019
Genetically engineered Drosophila withstand toxins common in monarch butterflies’ diet.
Trump Administration Weakens Endangered Species Protections
Trump Administration Weakens Endangered Species Protections
Ashley Yeager | Aug 13, 2019
Enforcement of the Endangered Species Act will be altered, easing protections for the most critically threatened plants and animals.
Eastern Monarchs Flourish While Western Numbers Plunge
Eastern Monarchs Flourish While Western Numbers Plunge
Carolyn Wilke | Feb 8, 2019
In the last year, the butterfly’s eastern group has more than doubled its hibernation area while the other population waned. Plus, researchers are moving trees to save monarch habitat.
Monarch Butterfly Conservationist Dies
Monarch Butterfly Conservationist Dies
Catherine Offord | Jul 23, 2018
Lincoln Brower, an American entomologist famous for his work to conserve the monarch populations of Mexico and the US, has passed away at age 86.
Migrating Monarch Numbers Rebound
Migrating Monarch Numbers Rebound
Bob Grant | Feb 29, 2016
The iconic butterflies have flocked to their Mexican overwintering grounds, seemingly reversing recent population declines.