Monarch Joint Venture Blog
2013-14 California Overwintering Population Numbers Released
The Xerces Society for Invertebrate Conservation released data illustrating the 2013-14 monarch overwintering population in California. While the western population is holding steady, it is still well below the peak seen in the 1990s. Read More
2013-14 Monarch Overwintering Population Numbers Released
WWF-Mexico hosted a press conference this morning to release the status of the 2013-2014 monarch overwintering population measured in central Mexico. The population has reached a record low, occupying only .67 hectares. Read More
2012-13 Overwintering Population Report
The monarch overwintering population in Mexico overwintering sanctuaries reached an all-time low of 1.19 hectares in 2012-13. You can support monarchs by planting milkweed and nectar plants, becoming a citizen scientist monitor, and by educating others. Read More