The Western population of the monarch butterfly hit a near-record low with fewer than 10,000 found living in California this ...

NEW YORK, Jan. 31 (Xinhua) -- The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in U.S. California this winter, a foreboding sign ...

The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as threatened species and designate seven ...

On Thursday, the Xerces Society released the results of its 28th annual Western Monarch Count, reporting the second lowest overwintering population ever recorded since tracking began in 1997. This ...

Look closely at your backyard butterflies! Here's how to detect the subtle differences among the three butterflies that look ...

Thogmartin and other researchers have evaluated more than 200 scenarios for restoring greater than 1.3 billion stems of ...

Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and ...

You may be aware that Monarch butterflies are endangered. This is due to the loss of habitat and the use of pesticides.

A favorite mystery of nature lovers is the behavior of the showy, black-and-orange Monarch butterflies, which appear to fly south in fall like migratory birds. Many authorities have doubted that ...

“The iconic monarch butterfly is cherished across North America ... Known for their distinctive orange-and-black wings, they’re a symbol of sunny summer days. But conservationists have ...

These iconic black-and-orange pollinators show up in just about ... as threatened under the Endangered Species Act. FILE - A monarch butterfly on milkweed in bloom. The monarch population is ...