Last updated: May 21, 2025
Tracking data shows a lake sturgeon nicknamed "Scout" has traveled to South Dakota from St. Louis via the Missouri River several times, and made excursions along parts of the Mississippi, Osage and Ohio rivers. This animation shows its journeys between April 2021 and September 2023.
Graphic by Josh Renaud / St. Louis Post-Dispatch
Source: Post-Dispatch analysis of data from Missouri Department of Conservation and U.S. Geological Survey
Note: Some gaps in the timeline have been smoothed using data interpolation.