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The Challenge of Swamp Metalmarks
Published On 12/27/2012Of all the species that we work with in the butterfly conservation lab, by far the most challenging has been the species that is also the most seriously endangered, the Swamp Metalmark. This species has proven difficult at virtually every stage of the captive breeding process. The populations where we can obtain founder stock are small. The few females that we are able to collect don’t lay many eggs. We feel very lucky to get more than 90 or so out of a single female. Contrasts that to Regal Fritillary females that can each produce upwards of 800 eggs. Hatching, larval growth and survival to pupation are all modest at best. In northern Illinois, the species has but a single generation per year, which means that we are confronted with the challenge of successfully carrying caterpillars over the winter, a process that has proven difficult for many species. Despite these odds, we continue attempting to breed the species in the lab so that we can return the species to the fens of northeastern Illinois where it formerly flew.
This past August we were able to obtain 4 females from southern Indiana. True to form one of the females died after laying only a single egg. All told, we were were able to harvest about 80 metalmark eggs. Only 63 hatched. We began feeding them leaves of swamp thistle, their preferred host plant The goal is to have adult butterflies next spring that we can release onto a fen in northwest Cook County.-
Swamp Metalmark Chrysalis
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Swamp Metalmark Caterpillars
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Swamp Metalmark adult butterfly
Throughout September and early October we experienced the kind of gradual attrition that is typical of our experience with the species. We were faced with a dilemma: should we try moving the larvae to cages where they would spend the winter outdoors? We have never succeeded with this approach. Or should we raise them through to adulthood and try to get an additional generation with perhaps greater numbers. We have only once before succeeded in rearing the species to adulthood, but did not get any offspring. Despite the uncertainty, the latter course of action seemed less perilous, so we retained the caterpillars in the lab and continued to offer them food.
By mid October we were down to 21 caterpillars. There the numbers stabilized as the caterpillars continued to eat and grow. With few additional losses, we obtained 19 pupae. At the time of this writing we have about 10 adults, four of which are females. We have paired them in small cages where we hope that mating will occur. After a few days we will move the females into egg laying cages and hope for the best.
Mating Cages
Although this species is proving difficult to work with, I believe that it is well worth the effort. Swamp metalmarks were once part of the great species diversity that was found in the fens of Illinois. It my firm hope that they will one day fly there again.
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Butterfly Lab on Christmas Morning
Published On 12/24/2012There are a handful of reasons why I love volunteering on Christmas morning:
- My partner and I get to spend some time together away from the usual Christmas chaos,
- Volunteering when the museum is closed feels like a super-secret-behind-the-scenes-tour, and
- Butterflies are awesome.
When I was a kid I loved the excitement of sitting around the tree on Christmas morning and opening presents. As an adult it’s been hard to replicate that kind of excitement. Last year, my partner and I decided to volunteer in the Butterfly Lab on Christmas morning… and it was AMAZING.
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When we walked into the lab, there was a moment of wonder and excitement as we took a peek into the case to see who had emerged overnight. The flurry of color was just so beautiful. The butterflies looked like little presents that had been opened just for us!
Although I enjoy volunteering in the lab throughout the year, there’s something special about doing it on Christmas morning. I love turning on some Christmas carols, rolling up my sleeves, and getting to work. It’s a great new holiday tradition, and I can't wait for my shift this year!
Jen Walsh
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Butterfly Lab VolunteerWhy should the Summer Solstice soak up the entire spotlight?
Published On 12/21/2012The focus of the Winter Solstice is often that it is the shortest day of the year, the day with the most darkness and least sunlight. I, however, prefer to think of it as an essential day to be celebrated. Without the tilting of the earth’s axis, we would not have the four distinct seasons that give us so much joy here in Chicago.
For thousands of years, the Winter Solstice and nature’s harvest have been celebrated by cultures all over the world. The day signifies nature’s rhythm; it’s a time of growth and renewal as the days begin to lengthen and plants and animals begins its push through winter to ensure a bountiful spring.
During the peak of the holiday season – when people tend to feel stressed with last-minute details – the Winter Solstice is a reminder to pause, rejuvenate and reconnect with nature.
And where better to do that than right here at the Nature Museum, the urban gateway to nature and science.
In recognition of the Winter Solstice today, the Peggy Notebaert Nature Museum is celebrating its significance to nature with two days of activities. We invite everyone to join in on the fun.
- Friday, 10:30 a.m. to 12:30 p.m.: Hot cider, Make Your Own Bird Feeder, Critter Connections.
- Saturday, 11 a.m. to 1:30 p.m.: Green gifting and hot cider.
Happy Winter Solstice, Happy Holidays and Happy New Year.
Naturally,
Deb Lahey
View CommentsReducing your Holiday Impact
Published On 12/20/2012As the holidays near, it’s even more important to consider the impact that our choices have on the environment. Between Thanksgiving and New Year’s, an additional 1 million tons of waste is generated per week in the U.S. This waste includes things like shopping bags, ribbon, wrapping paper, and over 2 billion holiday cards[1]
So what can the average person do to reduce their own holiday impact? The good news is that there are many ways to make a difference.
- Don’t forget your reusable shopping bags! Keep disposables out of the landfill by bringing a cloth bag, or reusing those grocery bags you have stashed under the cabinet.
- Use newsprint to wrap gifts. Try the funny papers- it’s a unique and often unexpected way to package gifts that will help yours stand out.
- Make your own holiday cards by “up cycling”! Save cards you receive throughout the year- cut them, tear them, and paste the pieces together to create new, one-of-a-kind designs.
- Buy rechargeable batteries to accompany any electronics, and consider including a battery charger as part of the gift.
- Consider durability and recyclability of gifts before you purchase. If it isn’t expected to last for years, can it be recycled?[2]
Challenge your family to try one (or more) of these tips this holiday season and see what a difference it makes. Children can participate by keeping track of how many bags, rolls of wrapping paper & holiday cards you’ve saved from Thanksgiving to New Year’s Day.
Have green gifting tips of your own? Please share in the comments.Heather GranceWant to learn more? Visit the Nature Museum throughout the holiday season for hands-on fun!
Green GiftingSaturday, December 22 and Sunday, December 23
11am to 1pmJoin us in preparing for the holiday season by creating your own gifts for all of your friends and family at our "green gifting" craft workshop. All crafts will be environmentally friendly and nature oriented. Perfect for anyone on your list! Cost: $3/project, $5/two projects.
Trash to Treasure
Wednesday, December 26 through Saturday, December 29, 11am-2pmBring your holiday trash (wrapping paper, boxes, cards, ribbon) to the Nature Museum to create Trash to Treasure thank you cards and create musical instruments to ring in New Year’s Day. Move, sing, and play with Lily Emerson, the Nature Museum’s Artist in Residence, in this special family workshop celebrating the sounds of the season. Cost: Free
Manager of Public Interpretive Programs
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What do you do on your day off?
Published On 12/18/2012It’s Sunday afternoon and I have helped a group of second graders spot the queen of our leaf-cutter ant colony, held two fox snakes, acted as a perch for a bunch of newly hatched butterflies not quite ready to fly, and fed no less than three box turtles. What do you do on your day off? I am a Peggy Notebaert Nature Museum Public Interpretive Programs Volunteer, or just PIPster for short.
I'm also a biology student working my way through school and busier than one of our rooftop honeybees. With work, school, and taking care of my canary, Ladybird, my week can be a little hectic. Yet, I have made it a priority to volunteer for the Nature Museum every Sunday.

I began volunteering here last spring after meeting a few past volunteers who couldn’t say enough good things about the Museum. As a newer student to biology, I had been searching for a way to get more experience to compliment my interest in local wildlife -- something more than a laboratory internship or research assistantship. Boy, did I hit the jackpot.
Working as a PIP volunteer truly compliments the material I am learning in the classroom, but provides more of a hands-on perspective. Instead of reading about the territorial nature of red-winged blackbirds during the breeding season, I get to witness firsthand what happens when my coworkers venture too close to a nest while exploring the prairie (think Alfred Hitchcock).
Working for the Museum has also solidified my desire to pursue a career in the wildlife rehabilitation field. Beginning my studies as a biologist, the most important thing that fueled me was my desire to affect this planet in a positive way through some kind of conservation effort; I just wasn’t sure how I could make that a reality. Saving all of the Bengal tigers in Nepal is a bit daunting for a 20 year old in Illinois to contemplate, you know?
When I began talking to my fellow volunteers and really dove into what the Nature Museum is about -- preserving and protecting native Illinois wildlife while giving the public an opportunity for an authentic connection to nature -- that is when I found that concentrating on a local level is much more approachable to someone like me, and probably you as well.
That is why I volunteer for the Nature Museum every Sunday. I get to introduce people to an amphibian they never even knew existed, let alone knew was in their backyard. I get to see the absolute wonder mixed with terror on a kindergartener’s face as they feel the scales on a snake for the first time. Volunteering as a PIPster is an amazing opportunity I wouldn’t have had in any other city, because there is no city that has a nature museum quite like ours here in Chicago.
If you come across a volunteer in a green shirt the next time you’re visiting the museum, don’t hesitate to ask us questions! We’ll be sure to have an answer. I’ll see you on Sunday!
Stephanie Maxwell
Public Interpretive Programs Volunteer View CommentsWingnuts in the City that Never Sleeps
Published On 12/11/2012Autumn in New York
Why does it seem so inviting?
Billie Holliday sang the praises of fall in the Big Apple, and if a recent weekend was any indication, it would be hard to disagree (though some might this year, thanks to hurricane Sandy.) There is something agreeably evocative about brownstone stoops strewn with cast off foliage and planetree leaves chattering down the sidewalk on a fresh breeze. On the way to JFK after a weekend with family, I took a detour to Brooklyn Botanic Garden to revel in the sunshine and autumn color, and while the grounds had sadly suffered a number of tree falls from the storm, it was nonetheless a lovely afternoon.
The Garden was quiet and felt particularly dignified, perhaps due to the somber hues of drying leaves and the lack of energetic floral activity. However, one stop on my circuit of the Plant Families Garden sent me into fits of decidedly indecorous laughter. A grand, gnarled old tree – perhaps the largest and oldest on the grounds, and a species I was previously unfamiliar with – was earnestly labeled with its scientific name, Pterocarya fraxinifolia, and its common name, Caucasian Wingnut.
While “Caucasian Wingnut” is a label some might choose to apply broadly, it seems a bit unfair to condemn an entire species to derogatory snickers and finger pointing. But at least the CWs, as I will mercifully abbreviate them, have plenty of company. Many a plant has endured a lifetime of awkward introductions at cocktail parties. Pity the poor Mountain Misery, Midnight Horror Tree, Beggar’s Tick, Corpse Flower, Mal Mujer, Crybaby Tree, Lousewort, Fly Poison, or Pleuro amparoana, also known as the Toilet Bowl Orchid.
Deservedly or not, other species have fared quite well in the name game, such as Balm of Gilead, Fairy Petticoats, Sorrowless Tree, Enchanter’s Nightshade, Venus’ Looking Glass, Kiss Me Over the Garden Gate, and a favorite here on the Museum's grounds, the Rattlesnake Master. Euphorbia leucocephala has it particularly good. Its many common names include Snows of Kilimanjaro, Christ Child, and Little Christmas Flower. Other plants must get a lot of confused stares from doormen and receptionists: Ramping Fumitory, Moses in a Boat, Napoleon’s Hat, Monkey Puzzle, and Rat Stripper to name a few.
There are scientific names – always Latinized – that take the cake in both lyricism and absurdity. Consider the poetic qualities of words such as Dasylirion, Mandragora, Bauhinia, Ipheon, and Vitex agnus castus, which translates to “chaste lamb of life.” Dread the doubtless horrors of Dracula nosferatu and Monstera deliciosa. Or, try some lingual calisthenics with a couple of cactus species, Weberbauerocereus cephalomacrostibas and Austrocephalocereus dolichospermatichus. Quiz tomorrow. Spelling counts.
But back to New York and our dear CW. No matter how ridiculous its name, the tree I visited that afternoon was remarkable – venerable, steadfast, antediluvian. Perhaps we should thank Sandy for sparing it, but then, the tree has surely stood strong in the face of many storms. And perhaps, with maturity, it’s learned to laugh at its awkward moniker and even appreciate the chuckles of passersby. They say laughter is the secret to long life. Maybe this Wingnut is living proof.
Seth Harper
Horticulturist
View CommentsNature in your backyard
Published On 12/6/2012A couple of years ago, I taught a lesson about Midwest ecosystems in a fourth grade classroom on the far south side. Two weeks later, I returned to the same classroom, but before I could make it through the door, several students began excitedly shouting, “We saw a wetland! We saw a wetland! It’s right behind the school!” (And I’m not talking about moderate excitement; they were “I just won a million dollars” excited!) They couldn’t believe that the wetlands they had learned about in the classroom – cattails, ducks, and all – could be found right here in their neighborhood. Just behind their school, stuck in between the busy city streets, here’s what they had found:

Over the past several years, we’ve ramped up our efforts to connect students to the nature in their neighborhoods. Last month, as part of these efforts, I traveled around Chicago to photograph wetlands in different areas of the city. We know that many teachers aren’t able to take their students to visit wetlands, so we wanted a chance to bring those wetlands – the ones right in their neighborhoods - into the classrooms.
Can kids who live near McKinley Park learn to appreciate that their local wetland supports living things that aren’t found on most city blocks?

Can students in Lincoln Park get excited about turtles sunning themselves near their school?

Can school kids on the northwest side learn about bird migration by studying a Green Heron in Humboldt Park?

We think we have the answers to these questions: YES! ABSOLUTELY! OF COURSE! But let’s not forget that these connections to nature are always there, waiting for people to experience them, and not just in schools. Get out there and find out what’s going on with the nature in your neighborhood, and when you find something cool (which you certainly will!), we want to hear about it!
Kristi Backe
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Curriculum CoordinatorChicago’s Community Weatherization Action Teams
Published On 12/4/2012Home weatherization is one of the fastest and easiest ways to save money year round, especially in the winter. The average un-weatherized house in the United States leaks air at a rate equivalent to a 4 foot hole in the wall. This is money and natural resources literally going out the window and through the roof.
On November 7, the Chicago Conservation Corps and the Nature Museum came together to change that for 3,500 homes in the city of Chicago. Thanks to a grant from the city of Chicago, People’s Gas and ComEd, 3,500 weatherization kits were installed and distributed all over the city in November. But, it took a lot of work to get these kits to the Community Weatherization Action Teams (CWAT).
It started out in mid October when Chicago Conservation Corps Coordinator Kristen Pratt jumped into action creating supply lists, surveying the Museum for storage and kit building space, and recruiting volunteers.

In less than a month we received supplies, trained volunteers to install the weatherization materials, and were ready to build kits. The kits each consist of weather stripping, caulk, window film, and tape. 3,500 kits with 7 items each results in 24,500 items to be placed into bags along with installation instructions and a CFL light bulb. That is a lot of material – enough to fill three 25 foot long storage containers!

What we found out is that if you want to build it, they will come. We had over 120 volunteers attend the kit building event. What we expected to take over 5 hours was finished in just over 3! Rafael Rosa, the Peggy Notebaert Nature Museum's Vice President of Education, commented that: “... in the span of 3½ hours, we packed over 3,100 weatherization kits – that’s about 1,000 per hour, 16 per minute, 1 every 3-4 seconds!. When I looked at all the materials that came in during the week before, I couldn’t envision getting this job done in just a few hours. But thanks to 20 or so staff and over 100 volunteers we got it finished quicker than projected...”

Next, we had to get the kits into large plastic totes (or toters as we like to call them) to be delivered to schools and C3 Leaders for distribution and installation. After being packed with kits, each toter was put back in the storage pod by what seemed to be an army of strong and enthusiastic student volunteers. At about 3 pounds per kit, 10 kits per tote, 350 toters - thats about 30 pounds each. If we extend that math further, thats about 10,500 pounds of weatherization supplies - but who is counting?

What started about 4 pm in the afternoon was completed by 8:30 pm that night! Chances are that as you read this blog post the pods are gone, the toters are distributed, and the weatherization kits have been delivered to the leaders for their groups to distribute and install. Thanks to all of the volunteers and staff that made this project possible!
Want to learn how to weatherize your home and get a free kit? Sign up for one of our free weatherization trainings being held this week at the museum.
Barbara Powell
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Associate Director of Education Operations


