Monarchs On The Move

March 12, 2024 by Nancy Sheehan, Program Coordinator

Monarch spring migration has begun! Reports along the California coast are decreasing as monarchs begin their annual spring migration. Only a few monarchs remain in Mexico.

“Have seen monarchs several times in the last week. This was first opportunity I’ve had to try to get a photo.” Photo: Lynda in Litchfield Park, AZ (03/12/2024)

From the Monarch Butterfly Biosphere Reserve

Estela Romero bids farewell as monarchs fly north to breed in the U.S. and Canada. 

Letter from Estela Romero: Season’s Farwell

Carta de Estela Romero: Despedida de la Temporada

Travel to the Monarch Biosphere Reserve without leaving home. The final videos have been posted to the Journey North YouTube Channel.

Playlist: 2023-2024 Overwintering Season at the Monarch Butterfly Biosphere Reserve, Mexico

Western Monarch Population

Along the California coast, observational reports are decreasing as monarchs begin their annual spring migration. Ms. Morris notes that recent sightings of monarchs were mainly concentrated in Southern California, Las Vegas, and the greater Phoenix, Arizona area over the last two weeks. Stephanie Turcotte shares her final reflection on the overwintering season, noting the enduring charm of monarchs beyond the official count.

2024 Spring Letter #3: Western Monarch Population News From Gail Morris

Please Submit Your Observational Reports

If you are observing monarchs and milkweed, please to Journey North. 

Thank you!