Monarch butterflies (Danaus plexippus) appear to be declining not just in North America but also in Australasia. Could this be a consequence of global change, including climate change, the ...

The listing of migratory monarchs (Danaus plexippus plexippus) on IUCN Red List of Threatened Species comes as no surprise. Monarch numbers have plummeted more than 95% since the 1980s.

All across this country we are seeing fewer and fewer of the beautiful Eastern Monarch Butterfly (Danaus plexippus). The same is happening with the Western Monarch. Both the World Wildlife ...

Monarch Butterfly - Danaus plexippus. Clip | 3s The monarch butterfly is reddish-orange with black vein-like markings. Video courtesy of U.S. Fish and Wildlife Service ...

The International Union for the Conservation of Nature (IUCN), a group headquartered in Switzerland that tracks species and extinctions, added the migratory monarch butterfly (Danaus plexippus ...

F I G U R E 1 : (A) Monarch butterflies (Danaus plexippus) are migratory, but captive-bred ...More individuals lose key behavioural traits associated with migration, including the ability to ...

Monarch butterfly (Danaus plexippus) on a milkweed plant flower in Ontario, Canada. (Image credit: Photo by Creative Touch Imaging Ltd./NurPhoto via Getty Images) ...

The monarch butterfly (or Danaus plexippus, which is not based on a Tolkien character) was classified as endangered last year by the International Union for Conservation of Nature.