Winter migration of monarch butterflies to Mexico drops after one-year recovery

Experts say decline to coverage of only 7.19 acres of forest could be due to late winter storms last year that knocked down more than 100 acres of trees.

The Guardian

Last updated on 14 February 2017

Type: 
Media Watch
Country: 
Canada
Mexico
United States of America
Region: 
North America
Threats: 
Habitat loss and degradation
Climate Change
Species: 
Danaus plexippus