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

The number of monarch butterflies migrating to California over the winter has ... The western monarch migration occurs over multiple generations of butterflies, explains the society.

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

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

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

The number of monarch butterflies spending the winter in the western United States dropped dramatically this year even as ...

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

THE NUMBER OF MONARCH ... CALIFORNIA LAST YEAR. "ABOUT 15 YEARS AGO, THERE WERE THOUSANDS OF THEM." THE COMMUNITY SCIENCE COORDINATOR FOR PACIFIC GROVE MUSEUM OF NATURAL HISTORY BLAMES THE LOW ...

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 ...

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

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 ...