Western Monarchs More Active. Eastern Monarchs Depart Mexico.
Spring migration is underway! Estela Romero reports that approximately 75% of the monarchs have departed the Monarch Butterfly Biosphere Reserve. Gail Morris writes that, as the weather improves, monarchs show signs of activity. Get ready to report your monarch and milkweed observations.
Western Monarchs Update
After weeks of winds, rain, and even snow, the weather was calmer along the California coast and lower deserts of Arizona. While temperatures were still cool and below normal, monarchs are slowly becoming more active and leaving the shelter of their winter homes on their spring migration. Extended forecasts predict the possibility of another rainy spell in the upcoming weeks.