Discover Nature’s Neighborhood at the Great Swamp Scavenger Hunt

Great Swamp Watershed Association’s far-ranging, day-long game spotlights 15 northern New Jersey landmarks.

It’s back! The Great Swamp Scavenger Hunt returns on May 11, 2013. Are you ready for another fun-filled day of exploration and discovery?

Last year’s hunt was a real hit. Take it from Florham Park resident Liz Adinaro who said, “It was awesome!...I can't wait to come back this year with the kids.”

Created and hosted by the Great Swamp Watershed Association, the Great Swamp Scavenger Hunt is a day-long adventure game that is one of the most entertaining ways to discover—or rediscover—some of the great sites of natural, cultural, and historic importance tucked away in northern New Jersey.

The concept is simple. Stop by the Kitchell Pond Pavilion at Loantaka Brook Reservation (75 Kitchell Road in Morristown) to pick up your official Great Swamp Scavenger Hunt Clue Kit—including GPS coordinates for geocachers—any time after 9:00 a.m.  When you’re ready, hop on your bike, or into your car, and set out to collect as many scavenger hunt tokens as you can from a total of 19 different locations in Morris County and Somerset County.

Participating sites include the Great Swamp National Wildlife Refuge, Morristown National Historical Park, the Somerset County Environmental Education Center, Morris County’s Outdoor Education Center, The Raptor Trust, the Schermann Hoffman Wildlife Sanctuary, Meyersville Café, and Millington Gorge, so there will be plenty of exciting things to see and do along the way!

Return to Kitchell Pond Pavilion by 4:00 p.m. with a healthy appetite and as many tokens as you can.  Every token collected is a chance to win one of several fantastic prizes donated by local businesses and organizations.  Last year’s prizes included a four-person tent, a high-end foldable camp chair, a NorthFace Recon backpack, a Mountainsmith camera bag, and lots of other outdoor recreational equipment.

Before prizes are awarded, enjoy a picnic barbeque courtesy of Great Swamp Watershed Association. Drinks, hot dogs, and burgers will be supplied. Feel free to contribute your own side dish to the covered dish buffet too! (Remember to bring along your own lawn chairs, blankets, or other alfresco dining supplies.)

To register for the Great Swamp Scavenger Hunt, or to find more information, please visit GreatSwamp.org or call 973-538-3500 x22.  Participation is free, but donations to the Great Swamp Watershed Association are gratefully accepted.  RSVPs via online or telephone registration are appreciated.

Did You Know? About Wood Frogs

Did you know that wood frogs (Rana sylvatica) are famous for their ability to survive the cold? That's right! This little hopper happily endures the freezing and thawing of its blood and tissues as it waits out the harshest North American winters.

How is this natural magic accomplished? Just before Jack Frost arrives, the wood frog collects an organic compound called urea inside its body. (Many different animals, including human beings, produce urea as part of their normal metabolic processes.) When those cold temperatures start setting in, the frog also starts to turn another substance, liver glycogen, into a simple sugar called glucose. The increased amounts of urea and glucose in the frog's body act just like an anti-freeze fluid—the official scientific term is "cryoprotectant"—limiting the number of ice crystals able to form in and around the frog's tissues and organs.

In fact, the anti-freeze works so well that healthy wood frogs may be able to survive a winter with as much as 65% of the water in their bodies frozen. That certainly is an important trick to know when you choose to hibernate just below the soil surface or beneath the leaf litter of a northern forest.

Wood frogs can be found as far south as Georgia in the eastern United States, and as far north as Canada's Labrador province. Their range stretches west through the Great lakes region, across Canada, and throughout most of Alaska. The wood frog is a native species here in our own Great Swamp.

Because the wood frog requires the existence of ephemeral wetlands, like the vernal pools at Great Swamp Watershed Association's Conservation Management Area, to survive and reproduce, it's important to make sure we preserve these special habitats from bulldozers and overdevelopment.

For more about wood frogs, see the following websites:

• http://news.nationalgeographic.com/news/2007/02/070220-frog-antifreeze.html
• https://blogs.montclair.edu/njsoc/2012/03/05/frog-blog-a-winter-nights-dream/
• http://www.alaskacenters.gov/wood-frog.cfm
• http://www.uri.edu/cels/nrs/paton/LH_wood_frog.html

For kids:

• http://www.kidzone.ws/lw/frogs/facts-woodfrog.htm

Check out this video too!

(Article source: Wood Frogs. Wikipedia, http://en.wikipedia.org/wiki/Wood_frog)

Did You Know? About Canada Geese

by Jim Northrop, GSWA Volunteer

Sometimes, fall walks with my dog surprise me. Last October, we walked along the edge of a local golf course. It was a beautiful, sunny day, but there were few golfers about. At a turn in the path, my dog saw something interesting and tried to take me to it. After a few steps, I saw that she had found a Canada goose resting in the long grass ----- the golf course “rough.” I stopped the dog, but the goose looked at us and did not move. Then, I swear, the goose spoke to me!

“I have been in flight for days, coming from mid-Ontario. I am not so young any more, and I don’t seem to have the energy of my youth. My mate was killed by a hunter last year, my goslings (her babies) are grown and doing their own thing, so here I am all alone.”

Who would not feel some pity at this story? The goose explained that she was part of a flight of 30 or 40 birds whose destination was Chesapeake Bay. She was glad they were not aiming to spend the winter in Mexico, as she was sure she did not have that distance in her.

“Why did you stop here?” I asked. They liked the available long grass in the rough, and the nearby water trap which were nicely placed within an easy walk. She felt safe, she said, because the only predators were occasional dogs, but she noted that even my dog was on a leash, as most “golf course dogs” seemed to be. This is a beautiful and peaceful place, she told me, except for the day when I was nearly hit by a golf ball, which brought several old men on golf carts to chase me from my nest. She said she realized they were looking for their golf ball, not for her. They had soon found the ball and moved on to complete their game.

I asked my new friend about her family.  Her male goose had been a wonderful father, she said. He would stand tall and guard her while she sat on a nest of eggs. What I would call the incubation period, in which the female sits on and warms the eggs while the male stands guard, lasts for 24 to 28 days after laying, she told me. She remembered how, after the eggs hatched, she and her mate would lead their goslings in a line, usually with one parent in front, and the other at the back. While protecting their goslings, she recalled, they often had to violently chase away threatening nearby creatures ---- anything from small blackbirds to large humans, who might approach. She and her mate would warn intruders by giving off a hissing sound and then attack with bites and slaps of their wings, if the threat did not retreat or actually seized a gosling. “Happily, that never happened to us,” she said.

She continued, “The goslings enter a ‘fledging’ stage any time from six to nine weeks of age. They do not leave their parents until after the spring migration, when they return to their birth place. Once they reach adulthood, she told me, Canada geese are rarely preyed upon (aside from the threat of humans). But the geese must be on the watch for coyotes, gray wolves, snowy owls, the golden eagle and the bald eagle.”

She surprised me by noting that goslings are able to swim immediately. The male and female geese both accompany their babies during their swims. She was proud to report that goslings can dive and swim for 30 or 40 feet underwater, and they eat almost continuously to attain growth for their first migration flight. The mature goslings, now ready for migration, learn the migration routes from their parents and follow the same route in subsequent years.

My friend stopped talking for a moment, and reflected that she had not heard of predators attacking her goose friends in New Jersey ---- except for the humans!  I had to tell my feathered friend that not all humans are a threat ----- many are friends, and keenly anticipate searching the sky in the spring or autumn at the first sound of honking Canada geese, flying by in their V-shaped formations. She said that was encouraging, and did I know that the front position is rotated among several birds since flying at the front consumes the most energy?

The sun was setting, and my dog and I were ready to return to our “nest” for dinner. We were sorry to leave our new goose friend, but she advised us she would be OK, and probably would resume flying south at sun rise.  We wished her safe travel.

Although often disparaged as a nuisance, we gained from this Canadian goose a new respect for these hearty birds, hoping that as long as they would stay away from airplanes in flight, they would continue to grace our open spaces.