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U.S. Fish and Wildlife Service
Rappahannock River Valley
National Wildlife Refuge

Rappahannock Home

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Biological Surveys

Being a relatively new refuge, we are still in the process of establishing the full compliment of baseline biological surveys.  We have conducted habitat mapping using geographic information systems, breeding bird surveys, marsh bird surveys, aerial waterfowl surveys during migration and winter, small mammal surveys, insect trapping, anuran (frogs) call counts, and Wilna grassland flowersvernal pool investigations. 

The refuge enrolled seven fields totaling 230 acres in a regional research study looking at different management techniques to benefit grassland-nesting birds.  We have studied three different techniques for taking a census of wintering grassland songbirds.

Last Updated:  July 17, 2009

Link to Department of Interior

U.S. Fish and Wildlife Service
Eastern Virginia Rivers NWR Complex
P.O. Box 1030
Warsaw, VA 22572

Office: (804) 333-1470
Fax: (804) 333-3396
E-mail: Rappahannock River Valley NWR

 U.S. Fish and Wildlife Service
Rappahannock River Valley NWR
P.O. Box 1030
Warsaw, VA 22572

Office: (804) 333-1470
Fax: (804) 333-3396
E-mail: Rappahannock River Valley NWR