News Headline

'Canary in the cornfield': monarch butterfly may get threatened species status

Source
Mongabay.com

Publication Date
2014-09-09

Monarch butterflies were once a common sight throughout the North American heartland. In Mexico, where they overwinter, single trees would often be covered in thousands. But declines in milkweed – their caterpillars’ only source of food – have led to a 90 percent decline in monarch numbers. Now, the U.S. Fish and Wildlife Service (USFWS) is reviewing a petition that would grant the iconic species protection through the Endangered Species Act (ESA).

Content
http://news.mongabay.com/2014/0908-morgan-monarch-esa.html