Monarch Butterflies
| Please Report Your Sightings! |
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- News: Monarchs in Mid-February
- Letter from Estela: Tourism at Peak Season
- Monarch Conservation: How You Can Help
- Maps: Report Your Sightings
Peak SeasonDr. Lincoln Brower
| The monarchs are in the final weeks of their stay in Mexico. The first will begin migration in early March. By the spring Equinox, the butterflies will be vacating the sanctuaries en masse. Early signs of colony break-up are typically seen now. The dense clusters of the cold winter months give way to loose clusters, as the colony begins its spring expansion. Increasingly, butterflies go out during the day in search of water and no longer return to tight clusters. |
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 Overview |
 Resources |
 Write a Letter |
| Letter to Leaders Over 150 scientists, artists, and conservation experts wrote a letter to urge the leaders of Mexico, the United States, and Canada to address monarch needs. |
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| What to Report | First Adult report | map | list |
Milkweed report | map | list |
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| First Egg report | map | list |
First Larvae report | map | list |
Other Observations report | map | list |
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