2017 Waterfowl Population Survey Total populations were estimated at 47.3 million 2017 Duck Species Breakdown Select Species Mallard Gadwall American wigeon Green-winged teal Blue-winged teal Northern shoveler Northern pintail Redhead Canvasback Scaup Northern shoveler PreviousNext 2017 Northern shoveler Numbers2017: 4.353 million. +10% change from last year2016: 3.967 millionNorthern shoveler are +69% over the long term average. Northern shoveler 1955-2017 Estimated Breeding Populations [chart not available] * in millions