ELPERS THUNDERING DUCK CALL
    [SR21577105] (2004-11-11) (M)  Brown , Studbook 2006-Aug (R. S. ELPERS)
     (CH SUNNY SKIES CHESAPEAKE CHESTER x EASTERN WATERS EMERALD ABBEY)
     Breeder: J. BIEHL & C. BIEHL & S. J. DOUGLAS