Growing milkweed from seed is one of the easiest ways to help declining monarch butterflies. In December 2024, the U.S. Fish ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in ...

Monarch butterflies in the western U.S. have dropped to just 9,119 this year. In 2023, the count was 233,394, meaning a 96% decline.

For 28 years, the Xerces Society for Invertebrate Conservation has counted monarch overwinter populations along the ...

The number of monarch butterflies spending winter in the western U.S. dropped dramatically this year, despite moves to extend ...

Evie Kinkead, a junior at Aptos High School, pitched this story about a project she spearheaded to help monarch butterfly ...

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

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

In 2023, more than 16,000 butterflies were counted at one local grove. The most recent count was a tiny fraction of that.

Just over 9,000 monarchs were counted in California last winter, the second lowest ever since the annual count began in 1997 ...

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in ...