Biological surveys are an integral part of managing the refuge for wildlife.  The data collected from the surveys help the biological staff understand long term trends and develop wildlife and habitat management plans for the refuge.  The following refuge survey results are available:

         Wildlife Census

Waterfowl Aerial Census - 02/22/07
Bird Census - 11/18/07
Waterfowl Aerial Census - 11/21/07
Bird Census - 11/24/07
Bird Census - 11/30/07
Waterfowl Aerial Census - 12/11/07
Bird Census - 12/14/07
Bird Census - 12/20/07
Bird Census - 12/28/07
Bird Census -  1/04/08
Waterfowl Aerial Census - 1/10/08
Bird Census -  1/10/08
Bird Census -  1/24/08
Bird Census -  2/12/08
Bird Census -  2/21/08
Bird Census -  2/29/08
Waterfowl Aerial Census -  3/06/08
ShoreBird Census -  5/29/08

Canada goose and snow goose annual peak numbers

Ducks annual peak numbers

Wood Duck Box Nesting Success

Bluebird Box Nesting Success

Refuge Biologist Update - 4/1/06
       Impoundment Study Update - 4/1/06

       Bald Eagle Update - 8/2/06