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

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

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

The number of monarch ... California to become New Denmark? Satirical petition seeks help to buy the state from Trump Monarch clusters were notably absent from the Goleta Monarch Butterfly Grove ...

Monarch butterflies are unique in their migration patterns. Eastern monarchs travel between Mexico and the U.S., spending ...

Newly released data shows that the number of monarch butterflies migrating to California this winter is near-record low. "We ...

"I really want to spread the word that we should not give up right now," said Isis Howard, a conservation biologist with the ...

A butterfly sits on a leaf at Monarch Grove Sanctuary in Pacific Grove ... Monarchs west of the Rocky Mountains typically overwinter along the California coast.

The natural phenomenon of the iconic monarch butterflies migrating south for the winter is a fascinating one - and it's one ...

Monarchs west of the Rocky Mountains typically overwinter along the California coast ... in Minneapolis meant to celebrate the monarch butterflies' migration before winter, some monarch ...

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

and California wintering populations are 95% smaller than they were at that time. In response to these figures, the USFWS issued a December 2024 proposal to list the monarch butterfly as a ...