The study was one of several that assessed the effects of climate change on three species of butterflies whose populations are declining.

From 2003 to 2019, amateur butterfly enthusiast Harlan Radcliff spent his lunch breaks observing butterflies on the grounds ...

Butterfly Pavilion near Denver is partnering with the Government of Mexico to conserve the winter habitats of monarch ...

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

For the past three years, more than 200,000 western monarch butterflies spent their ... since the count first began in 1997. While the butterfly’s population has been declining for years ...

The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat and climate ...

FILE - Monarch butterflies from Canada stop to rest in Wendy Park on their way to Mexico, Sept. 12, 2023, in Cleveland. (AP Photo/Sue Ogrocki, File) MADISON, Wis. (AP) — The number of monarch ...

The results coincide with monarch butterflies being proposed for protection under the U.S. Endangered Species Act. It is the second lowest overwintering population recorded since tracking began in ...

MADISON, Wis. (AP) — The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing ...

The researchers, alongside citizen science projects, have been trying to decode the butterfly travel map. Their interdisciplinary ... like the well-studied monarch, much remains unknown about ...

FILE - A butterfly sits on a leaf at Monarch Grove Sanctuary in Pacific Grove, Calif., on Nov. 10, 2021. (AP Photo/Nic Coury, File) ...

MADISON, Wis. (AP) — The number of monarch butterflies spending the winter in the western United States has dropped to its second-lowest mark in nearly three decades as pesticides, diminishing habitat ...