Category Archives: Lake Winnebago System

Frozen Lake and Shore

Just before Lake Winnebago froze ice and wind and waves drove water up on to rocks, plants and everything where it froze in layers.  

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Bald Eagle Watching in Oshkosh, WI

Winter finally arrived to the area and with the open water giving way to ice, the ducks, geese, gulls and Bald Eagles (Haliaeetus leucocephalus) are concentrating on the few patches of available water on the rivers.  In the city of Oshkosh … Continue reading

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Harvesting Cattails for Habitat Restoration and Biofuel Production

Invasive cattails are a major problem facing native wetlands in the Midwest.  Hybrid Cattail (Typha x glauca) and Narrow-leaf Cattail (T. angustifolia) have taken over large areas of native sedge meadow and shallow marshes.  This cattail invasion has greatly altered wildlife … Continue reading

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Walleye Fishing Run in Oshkosh

The Upper Fox River is a popular fishing destination at any time of the year, but in during the spring walleye run it is a busy water way filled with boats of all sizes, ages, makes and horse power, and … Continue reading

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Ice is Out!

Over the course of last week many of the local lakes lost all or most of their ice cover wit the help of mild temperatures and high winds.  Depending on which way the wind blows there can be impressive ice … Continue reading

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Rough Day on the Lake

It was a rough day on Lake Winnebago recently.  Steady winds at 30 mph and gusts to 50 mph were driving large waves on the lake.  Lake Winnebago is no pond, but it is not one of the Great Lakes … Continue reading

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Looking for Wild Rice on the Rat River.

Today I took a little trip on lakes Poygan and Winneconne looking for Wild Rice.  I was curious to see how it was faring this year, and also looking for a bit to harvest. Formally these two lakes, especially Lake … Continue reading

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Lake Poygan Blue-green Algae Bloom

Although the temperature has not been excessively hot, blue-green algae blooms are in full swing on the Lake Winnebago System.  Everything is in place for such algae blooms:  warm temperatures, calm weather and excessive nutrients in the water.  Many types … Continue reading

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Common Tern Colony on Lake Butte des Morts Destroyed

The Common Tern (Sterna hirundo) is an endangered “seabird” in the state of Wisconsin.  Unlike gulls, Common Terns are a bit smaller with a sharp bill, and generally built more like a fighter jet than a cargo plane.  They hunt … Continue reading

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