The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in California this winter, a foreboding sign for the future of the beloved ...

Initiated in 2007 by IFW’s Research Assessment Section, the Maine Butterfly Survey (MBS) is a statewide survey effort designed to fill information gaps on distribution, flight seasons, and habitat ...

The Western population of the monarch butterfly has declined to a near-record ... population gathers to pass winter before fanning out across the West from Arizona to Idaho in spring.