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Washington, DC, Nov. 20, 2024 (GLOBE NEWSWIRE) -- In a new study published in Frontiers in Ecology and Evolution, a team of scientists from NatureServe has unveiled detailed maps identifying migratory habitats essential to western monarch butterflies, revealing a critical insight: despite federal management over half of the land in the western United States, the vast majority of suitable ...
Monarch butterfly migration is the phenomenon, mainly across North America, where the subspecies Danaus plexippus plexippus migrates each autumn to overwintering sites on the West Coast of California or mountainous sites in Central Mexico. Other populations from around the world perform minor migrations or none at all.
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Monarch Watch is a volunteer-based citizen science organization that tracks the fall migration of the monarch butterfly. [1] It is self-described as "a nonprofit education, conservation, and research program based at the University of Kansas that focuses on the monarch butterfly, its habitat, and its spectacular fall migration ."
The letter said, "Plummeting from a high of 1.1 billion monarch butterflies overwintering in central Mexico´s high-altitude oyamel fir forests in 1996 to a pitiful 33 million thinly scattered over seven sites during the current 2013–2014 season, the extraordinary monarch butterfly migratory phenomenon is now officially endangered.
The monarch butterfly, state insect of Texas, has been rapidly declining in number over the last 20 years, going down by 95% according to some estimates.
There is a ray of hope for the vanishing orange-and-black Western monarch butterflies. The number wintering along California's central coast is bouncing back after the population, whose presence ...
On December 12, 2024, the United States Fish and Wildlife Service (FWS) published in the Federal Register a proposed rule that would list the monarch butterfly as a threatened species and would designate the butterfly's critical habitat in accordance with the provisions of the Endangered Species Act. The FWS estimated in the proposed rule that ...