Join Freda van den Broek for an immersion into the fascinating world of the ferns and their relatives. A short presentation will introduce the foundations of fern identification and natural history. Afterward, Freda will lead a hike to explore the …
Did you know that Wisconsin is home to eight bat species, with half of them hibernating in caves during the winter? Unfortunately, these bats are at risk due to white-nose syndrome, a fungal disease that has led to some of …
Date & Time: Friday, August 21, 2026, 9:00am–6:00pm Saturday, August 22, 2026, 8:00am–3:00pm Instructor: Dr Robert Pillsbury, Emeritus professor of Biology at UW-Oshkosh. Dr. Pillsbury has taught Biology for 23 years, with a focus on aquatic biology, primarily Freshwater Phycology …
Join Lee Olsen, who has been teaching Ethnobotany of the Western Great Lakes for over 30 years and is famous for his work and knowledge in that area, on a walk in the Cedarburg Bog and its wooded islands. Lee …
Date & Time: Friday, August 7, 2026, 9:00am–6:00pm Saturday, August 8, 2026, 8:00am–3:00pm Instructor: Sarah Kelly Hansen Sarah is a Milwaukee based artist and an avid wanderer of Wisconsin’s woodlands. Hansen holds a BFA from the Milwaukee Institute of Art …
When night falls, a hidden world emerges. Join Naturalist Brooke Gilley to explore the bog using specialized mothing equipment and a “secret recipe” to attract moths. We’ll also use blacklight flashlights for a caterpillar hunt. Come discover the wonders of …
Join Jamie Schiesel for a short indoor program followed by a field trip through the Cedarburg Bog looking for odonates (dragonflies and damselflies). Wisconsin has 160+ species of odonates to see from April all the way to early November. Learn …
We’ll search for the butterflies (and wildflowers and birds, and more) of early summer along the trail from the parking lot on Hwy 33 to the pier at Watts Lake. Boots are not needed, but bring binoculars if you have …
Date & Time: Friday, June 12, 9:00am–6:00pm Saturday, June 13, 8:00am–3:00pm Instructor: Dr. Anton Reznicek, Curator Emeritus of Vascular Plants, University of Michigan Herbarium, has studied Cyperaceae, especially Carex throughout North America and in the tropics, and has a special …
Enjoy a walk through the Cedarburg Bog with Alex Mann and search for the signs of spring and spring migrants. Please bring binoculars and sturdy shoes for walking.