Federal wildlife authorities announced a proposal to list the monarch butterfly as a threatened species.
The Endangered Species Act affords extensive protections to species the wildlife service lists as endangered or threatened.
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 ...
These caterpillars exclusively feed on milkweed, and the flowers provide nectar for the adult butterflies. Look for off-white or faintly yellow colored monarch eggs on milkweed leaves. Follow the ...
The U.S. Fish and Wildlife Service has proposed listing monarch butterflies as threatened under the Endangered Species Act, ...
The skin splits open and the caterpillar wiggles out, revealing new skin beneath. Over the next two weeks, it molts four ...
(LUIS ACOSTA/AFP via Getty Images) Scientists have three main ... The glyphosate killed the milkweed plants, which monarch caterpillars depend upon as their exclusive food source, between crop ...
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 ...