2018 Duck Population Numbers | 2018-2019 Waterfowl Season Species-by-species breakdown, the USFWS Waterfowl Population Survey will help you prepare for the 2018-2019 duck hunting season © Melinda Garner 2018 Duck Species Breakdown Select Species Mallard Gadwall American wigeon Green-winged teal Blue-winged teal Northern shoveler Northern pintail Redhead Canvasback Scaup Canvasback PreviousNext 2018 Canvasback Numbers2018: 0.686 million. -6% change from 20172017: 0.733 millionCanvasback are +16% over the long term average. Canvasback 1955-2018 Estimated Breeding Populations [chart not available] * in millions