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The Ecological Needs and Economic Benefits of Bald Eagles Wintering in South Central Wisconsin (pdf)

The Ferry Bluff Eagle Council (FBEC) began radio tracking wild Bald Eagles in the winter of 2001. The tracking project was implemented in order to enhance the existing understanding on the wintering eagle population in Sauk Prairie and to provide insight about the habitat requirements and limitations of eagles throughout the winter. The radio tracking study is being conducted at a time when the Sauk Prairie area is beginning to see an influx of development with the expansion of State Highway 12 from a 2-lane to a 4-lane road by the year 2005. This study benefits Sauk Prairie area planners and the local community by acting as an information database on how eagles use the area. The purpose of the project is twofold; 1) to examine the ecological needs of bald eagles and how Sauk Prairie meets those needs, and 2) to examine the economic factors involved in maintaining the Sauk Prairie area as a vital bald eagle wintering area. Understanding how eagles use this wintering ground as well as how people value eagles in this area will ultimately lead to the productive eagle habitat protection.

  Kristin Lucas Hall, project intern, holding a captured immature eagle, December 2002. Photo by Jeb Barzen.
Antennae used to track Bald Eagles from the air. These tracking flights were generously donated to the project by Charles Kohler. Photo by Kay Roherty Rochelle Goedken, volunteer tracker, listening for a signal near the dam in Prairie du Sac, Wisconsin, December 2002. Photo by Kay Roherty
The rocket net going off - capturing an eagle.
Photo by Tammy Miller
Jeb Barzen, project supervisor, and Kristin disentangling an adult from the rocket net, in preparation for a health checkup, radio collaring and release. Photo by Tammy Miller
Here's where our birds were in the locations recorded duirng winters from 2001-2003. Some of the eagles tracked during the project were wide ranging, as this map illustrates!

 

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