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Upcoming Events

Every Fall volunteers tag thousands of Monarchs as they fly through Arizona on their migration to their overwintering sites. Tagging parties are scheduled in advance at locations around the state where monarchs have frequented in the past.

See the Southwest Monarch Facebook page for upcoming events and information. Scroll to "Events" at the top right. (You can see this page without being a Facebook member.)

2020 started with a very low monarch population in the West but fortunately we have seen good size breeding populations in parts of Nevada, Utah, Arizona and New Mexico. The breeding season was late and long with the cool Spring and Summer temperatures and may linger longer than usual into Fall. As a result, we urge caution and recommend avoiding tagging monarchs near breeding areas where we can likely have a mix of breeding and migrating monarchs in September and October.

Important notice

Due to the coronavirus pandemic, we have postponed scheduling any public tagging events until the CDC guidance is updated this summer after hopefully the peak infections are behind us.

Things you need to know

Everyone who participates in a tagging event must complete a liability/photo release form. Click here for pdf or click here for Word, print the form, fill it in and bring it along. The tagging leader will also have blank forms available.

Interested in joining in the fun? Here are some helpful hints to make your experience a success:
  • Wear sturdy shoes that can get wet (NO sandals, please). Many tagging sites are near and in creeks.
  • Long pants and a long sleeve shirt protect your body from scratches from desert bushes.
  • Wear a hat and sunblock.
  • Bring sufficient water, snacks and a sack lunch. Most tagging events last 3 to 6 hours.
  • All children must be accompanied by adults.
  • Don't forget your camera!
  • We leave promptly. Monarch butterflies are most active in the morning hours and their numbers vary from year to year. Most areas should be filled with birds and other butterflies as well.
  • Please RSVP at info@swmonarchs.org

Photo by Adriane Grimaldi

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