Waterbird Census Summary 2010

This summarizes the waterbird survey work done at Patuxent Research Refuge in 2010.Canada geese numbers continued to be much below the 1997-2006 ten year average. Mallards and black ducks were at record lows. Ring-neck ducks, green herons, great egrets and shorebirds were below the long-term average. Killdeer were well below. Hooded mergansers rebounded slightly from last year's low. Wood ducks, green-wing teal, pied-billed grebes, belted kingfishers, great blue herons, common snipe, and bald eagles were above the long-term average. Ospreys were much above average.