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Stories tagged phenology

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The Science Museum is hosting a distinguished visitor this week, one whom most of us may not meet in a lifetime in Minnesota. On Monday, December 10th, a bird called a Townsend's Solitaire appeared, feeding on the blue cones (not berries) of the red cedar (or Juniper) trees outside the P1 level of the parking ramp. It has since favored the Big Back Yard, where it suns itself on some of the structures and bordering fence and shrubbery.

Townsend's Solitaire: If you're walking past the Science Museum this week (on the Big Back Yard side), keep your eyes open for this guy.
Townsend's Solitaire: If you're walking past the Science Museum this week (on the Big Back Yard side), keep your eyes open for this guy.
Courtesy Adele Binning

A resident of the western mountains from Alaska to New Mexico, and east to the Black Hills of South Dakota, the Solitaire is a very rare migrant and winter visitor in Minnesota. Although recorded at widespread locations across the state, it appears only as an occasional individual in unpredictable fashion.

True to its name, the Solitaire is a lover of solitude and its bold, clear, ringing song wonderfully symbolizes its wilderness surroundings. This member of the thrush family somewhat resembles a miniature mockingbird in color and many markings, but is closer to the size of a slender bluebird--about eight inches in length.

How long this guest will stay with us remains to be seen...

Identification tips for the Townsend's Solitaire
Wikipedia entry


The Season of Death

by Gene on Oct. 18th, 2007
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My neighbor's tree dies a slow, agonizing, horrible death: Well, the leaves do, anyway.  Photo by Gene
My neighbor's tree dies a slow, agonizing, horrible death: Well, the leaves do, anyway. Photo by Gene

Oh, sure. Autumn looks pretty, with its big flashy colors and brilliant blue skies. But that’s just a mask it wears to disguise its true, evil intentions. Everything good in the world is dying, all around us, and there’s nothing we can do about it. In fall the nights grow longer, the days colder. Beaches close. Bicycles get packed away for the season. The two most perfect inventions of the mind of man – daylight saving time and baseball – both come to a close. It is the end of life as we have known it. And all we have to look forward to are endless months of icicle winds, lowering skies, and – worst of all – football.

The fiery colors of Autumn are the flames of a funeral pyre, a sign of death and decay. According to Susan Carpenter, native plant gardener at the University of Wisconsin-Madison Arboretum, leaves depend on the chemical auxin to keep open the tubes that supply water, sugar and nutrients. But the cooler temperatures and shorter days of Autumn shut off auxin production. The tubes are cut off, and the leaf strangles and dies. Chlorophyll, the green chemical that gives leaves their summer color, disintegrates, leaving behind two other chemicals: yellow carotene and red anthocyanin. Different tree species contain these chemicals in different amounts, resulting in the various colors we see.

Trees are at their most colorful when a cool, wet summer is followed by a sunny, dry fall. Rainfall promotes tree growth, and moderate temperatures prevent scorching in the summer sun. Extra sunlight in the fall allows trees to continue producing their chemicals right up to the end.

Here in Michigan, we had pretty much the opposite – a summer of drought and searing temperatures, followed by a fairly wet fall. The trees have been pretty brown since mid-September, though a few of them are making a late run at color. Don’t bother, boys. We’re depressed enough as it is.


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Fall mushrooms in Michigan

Magic mushrooms: photo by Arthur Oglesby
Magic mushrooms: photo by Arthur Oglesby
While walking in the woods of Michigan (Upper Peninsula) I was amazed at the many mushrooms growing there. I think the one in my photo is an amanita muscaria var. formosa or guessowii, also known as fly agaric.

Most famous of mushrooms

This variety of mushroom has become famous because of its depiction in Alice in Wonderland (the perch for the hookah smoking caterpillar), the dancing mushroom sequence in the 1940 Disney film Fantasia, in children's picture books showing gnomes and fairies, and in the video game series Super Mario Bros.
Fly agaric fruiting bodies emerge from the soil looking like a white egg, covered in the white warty material of the universal veil. As the fungus grows, the red colour appears through the broken veil, and the cap changes from hemispherical to plate-like and flat in mature specimens.

How poisonous are they?

Many older books list this mushroom as deadly, but deaths from A. Muscaria are extremely rare. The amount and ratio of chemical compounds per mushroom varies widely from region to region, season to season, confusing the issue. Spring and summer mushrooms may contain up to 10 times as much ibotenic acid (poison) as compared to fall fruitings. According to some sources, the ibotenic acid is detoxified by conversion into muscimol when the mushrooms are properly prepared.

How reindeer fly

Amanita muscaria was widely used as a hallucinogenic drug by many of the peoples of Siberia. I have often heard about people drinking the urine of rheindeer that have eaten the mushrooms, or poor people drinking the urine of those wealthy enough to buy these mushrooms. I wonder if this started the myth about flying reindeer? One source in wikipedia even credits Santa claus and hanging stockings by the fireplace to amanita muscaria cultures.


Dolomedes tenebrosa

A giant female "fishing spider" on the inside door of my bike shed

Please contact us if you have questions about the rights on this image.


Scientists will be banding Athena's chicks starting at 9am on Tuesday, June 26. Science Museum visitors get to pick names for the little peregrine falcons: vote now for your favorite! We'll be closing the poll on Monday morning.


Visitors to the Science Museum will name some of the falcon chicks. (Haven't seen them? Stop by the Mississippi River Gallery: you can use a scope to see the nest box on the stack of the High Bridge power plant, and you can see a live video feed from inside the box.) Vote for your favorite name!


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Big surprise! Sometime between Tuesday and yesterday, the fourth egg hatched. (This youngest bird hatched out of the first egg laid, and we didn't have high hopes for it.)

The whole brood: This shot, captured yesterday, shows Athena and all her chicks.
The whole brood: This shot, captured yesterday, shows Athena and all her chicks.

Dinner time...: Keeping these guys fed is a full-time job.
Dinner time...: Keeping these guys fed is a full-time job.

The young birds will grow fast, and will fledge--leave their nest--sometime in mid July. They'll stay with their parents for about two months afterward, learning to hunt. First the parents catch prey and the young birds learn to snatch it from them in mid-air. When they get good at that, the chicks start learning to hunt on their own.

Here's the sobering truth, though: On average, only two juveniles successfully fledge per nest. And the first year is dangerous. But a peregrine that survives the first year has a good shot at a long life. Some birds have even lived to be 18-20, but that's not typical. An average lifespan is more likely somewhere between 2 and 8 years.

New pictures appear every few minutes on the High Bridge Falcon Cam daily photos site.

Here are earlier 2007 falcon updates, as well as the story of the 2006 season. Or learn more about peregrines, and get to know Athena.

Visitors to the museum get to name falcon chicks. Right now, we're taking name suggestions. Later on, we'll turn those into a visitor poll, and the names with the most votes will go to the chicks.


Dinner time...

Keeping these guys fed is a full-time job.

Please contact us if you have questions about the rights on this image.


The whole brood

This shot, captured yesterday, shows Athena and all her chicks.

Please contact us if you have questions about the rights on this image.


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Visitors to the Science Museum will get to pick a name for at least one of the peregrine falcon chicks in the High Bridge power plant nest box. (Last year, we got to name one. Your pick? Starshadow.)

The challenge? Each chick in the nest box program gets a unique name. No repeats. So here's a list of all the names that are "taken" already:

Abby, Alice, Allie, Alpha, Amanda, Amilia, Amy, Andrea, Andy, Angel, Anton, Apryl, Athena, Barbara, Belinda, Bend, Berger, Bern, Bert, Bertha, Beta, Bolt, Bomber, Bor, Brice, Britta, Burt, Buzz, Candy, Cassie, Charlee, Charlie, Cherokee, Chicklet, Chris, Cleo, CoCo, Cole, Colleen, Coz, Craig, Crystal, Cyndi, Dale, Dana, Danberg, Davey, Dawn, Delene, Delta, Diamond, Diana, Diane, Dick, Dixie Chick, Donna, Doolittle, Dot, Ed, Eileen, Elaine, Electra, Esperanza, Faith, Fast Track, Fluffy, Fran, Frank, Gamma, George, Gib, Gloria, Gold, Gretta, Grunwald, Harmony, Hickey, Hippie, Hope, Horus, Hotshot, Howard, Hunter, Huske, Irvine, Isabel, Jackie, Jacob, Jan, Janice, Jasmine, Jay, JB, Jenny, Jessy, Jim, Joe, Judy, Julie, Kali, Karlsen, Katraka, Kester, Kitty, Kidy, Kramer, Krista, Laura, Leo, Leon, Leona, Leonard, Liberty, Lightning, Lily, Linton, Lolo, Lon, Lora, Loree, Loretta, Lori, Louise, Lucky, Mac, Mae, Maggie, Malin, Manthey, Mapper, Marie, Marshall, Marty, Mary, Laude, Mew, Mica, Michael, Michelle, Minnie, Miranda, Miss, Miss Pam, Mulder, Murphy, Neil, Nero, Nicole, Nora, Oar, Orville, Oscar, Pam, Pamella, PF Flyer, PaTao, Pathfinder, Penelope, Penny, Phyllis, Polly, Porky, Prescott, Princess, Putnam, Quark, Queen, Rachael, Ralph, Razor, Red Ed, Rick, Rochelle, Rocket, Rocky, Romeo, Ryan, Ryu, Sarah, Scarlett, Screech, Scully, Seminole, Shakespeare, Sharky, Sheri, Sheridan, Sherlie, Smoke, Smokey, Sonic, Sophia, Speedy, Spider, Spirit, Spivvy, Starshadow, Static, Stephanie, Sue, Survivor, Swoop, Terri, Thelma, Thunder, Travis, Tundra, Vector, VernaMae, Veronica, Waldo, Wanda, Warren, Wayne, Webster, Wilbur, Willie, Wood, Younger, Yugi, Zack, Zippidy

Have a name you think would suit a falcon? Tell us. We'll turn the list of submitted names into a visitor poll, and the names with the highest number of votes will go to the chicks.

One other thing: last year, the number one name was "Santa's Little Helper," but it was too long. Keep the names short, if you want yours to be the one!