TenKlooster viewing the decoy ducks.
It takes live decoy ducks to catch ducks.Click on picture to enlarge
Link to "Kooi" near Bakhuizen in Google
Sometimes "Kooiker" dogs were also used.
By the end of World War II these dogs were nearly extinct.
Only sixteen were left.
The breed has been revived through the efforts of a baroness.
http://www.dogbreedinfo.com/kooikerhondje.htm
