Monarch Population Status

World Wildlife Fund Mexico in collaboration with CONANP and the Monarch Butterfly Biosphere Reserve (MBBR) announced the total forest area occupied by overwintering monarch colonies today. Fourteen (14) colonies were located this winter season with a total area of 6.05 hectares, a 144% increase from the previous season:

Figure 1. Total Area Occupied by Monarch Colonies at Overwintering Sites in Mexico

We will provide additional details as we receive and process them.

WWF release (in spanish): Aumenta 144% la presencia de la mariposa Monarca en los bosques mexicanos de hibernación