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

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 ...

Migrating monarchs live about ten months, summer ones about three weeks. Instead of embarking on their journey north in mid-April as they have for eons, they now leave the mountains of Mexico to the U ...

Monarchs are among the most recognizable and best loved butterflies ... affect monarch migration patterns. Support adult ...

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