University of Minnesota

Results and Findings

Monitoring Data & Graphs

As MLMP volunteers report their weekly observations or survival records, you can view summaries of these data either by individual site or combined by state.

Map of Monitoring Sites

MLMP sites span the entire migratory range of monarchs from southern Canada into northern Mexico.

Milkweed or Monarch Observations

View a list of single observations of milkweeds or monarchs that have been reported outside of registered MLMP monitoring sites.


Data contributed by MLMP volunteers have been used in many publications. View MLMP’s list here.

Data and Privacy Policies

This page provides information on submitted information, photo copyright, injury liability, butterfly collecting, and MLMP’s data access and use policy.

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