This winter, volunteers from the Xerces Society, a nonprofit environmental group, tallied just 9,119 western monarchs — a ...
The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in ...
In 2023, more than 16,000 butterflies were counted at one local grove. The most recent count was a tiny fraction of that.
Monarchs west of the Rocky Mountains typically overwinter along the California coast. The Xerces Society for Invertebrate Conservation has been counting western overwinter populations along the ...
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 ...
PORTLAND, Ore.— The Xerces Society for Invertebrate Conservation and the Center for Biological Diversity won a lawsuit today against the federal Animal and Plant Health Inspection Service over its ...