Monarch Butterflies
| The Overwintering Season January 2017 by Elizabeth Howard |
Explore the monarch's winter habitat in Mexico and see what happens while the butterflies are there.
| What happens month-by-month while the monarchs are in Mexico? |
| Monarchs arrive in November and depart in March. Here's what takes place during the winter season: | ||
| November | December | |
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| Arriving Throughout the month, monarchs continue to arrive from the north and settle in at the 12 traditional wintering sites. |
Being Counted Scientists visit the 12 wintering sites and measure the surface area the colonies cover. Results will be released by March, 2017. |
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| January | February | |
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| Surviving Cold Watch the weather! At this coldest time of year, monarchs are at the greatest risk of mortality from deadly winter storms. |
Preparing to Migrate Monarchs that survive four winter months will mate and begin the journey north in March. Join us for weekly updates on Feb. 9, 2017. |
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Seeing Monarchs? Please continue to report all sightings. Help document where monarchs are present during the winter months. |
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| Adult Butterflies report | map | list | |
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