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Big Muddy Speaker Series presents:

Missouri River Turtles

Illustrated river waves in white
Presented by Stephanie Zimmer

Original Presentation- April 10, 2012 Big Muddy Speaker Series in Rocheport

“Missouri River Turtles” – by Stephanie Zimmer, graduate research assistant at University of Missouri – Columbia

Click here to download pdf of presentation

Common snapping turtle. Photo courtesy of Stephanie Zimmer.

An approach to shore on the Missouri River is often preceded by the plops of a variety of turtles as they dive into the muddy water. Because of the scale and turbidity of the river, assessing the population and habits of the variety of turtles there is a tough task.

Meet Your Presenter

Stephanie Zimmer

Stephanie Zimmer

, Graduate Assistant Biologist

Graduate Assistant biologist Stephanie Zimmer shared the different varieties of turtles on the river, what is known about their life cycles and what her research on soft-shell and snapping turtles has shown about their populations.

 

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The Big Muddy Speaker Series in Rocheport

is hosted by these wonderful partners.

Special thanks to Les Bourgeois Vineyards for giving us the opportunity to use their beautiful space overlooking the Missouri River. All speakers are presenting for free! Thank you all for sharing your knowledge with us! Click here for a list of upcoming presentations» The Big Muddy Speaker Series also takes place monthly in Kansas City and St. Charles.

The Big Muddy Speaker Series is partially funded by the Columbia Ecological Services Field Office (USFWS) and the Mo. Dept. of Conservation.

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November 10, 2026
Columbia, MO

Join us for a journey through time celebrating 25 years of Missouri River Relief's work on the Big Muddy.

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Plastic Pollution, Gulf Hypoxia, and Water Quality

November 11, 2026
St Charles, MO

Jennifer Wendt from MidAmerica Clean Future guides us through understanding regional water quality challenges.

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Disclaimer

The views and opinions expressed by our presenters do not necessarily reflect the view or policies of Missouri River Relief, the Big Muddy Speaker Series or any of the partners that support this public forum. The Big Muddy Speaker Series believes that hearing diverse perspectives is a crucial building block for an informed public.
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