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 ...

A winter count of visiting monarch butterflies found a steep drop from previous years, which has scientists worried about the beloved insect.

Explore the worrying decline of Monarch butterflies in Texas and the implications for pollination and food production. Learn why preserving these butterflies is vital for a sustainable ecosystem.

Scientists are grappling with a stark population decline of the western monarch butterfly after the species’ numbers hit a ...

A butterfly sits on a leaf at Monarch Grove Sanctuary in Pacific Grove on Nov. 10, 2021. Photo by Nic Coury, AP Photo For the past three years, more than 200,000 western monarch butterflies spent ...

The monarch butterfly was first petitioned to be listed ... University of Nevada-Reno found that milkweed leaves, the main food source for the monarch caterpillar, were contaminated by 64 pesticides.

A pilot program established in 2021 to help pollinators in Utah has enjoyed success and is helping residents, communities and ...

MADISON, WISCONSIN - The number of monarch butterflies spending the winter in the western United States has dropped to its ...

The count estimated a winter population of 9,119 monarchs this year as climate change, habitat loss, pesticides and disease ...

PISMO BEACH, Calif. – On Thursday, invertebrate conservation group the Xerxes Society released the results of their 28th annual Western Monarch Butterfly Count and recorded the second lowest ...