auks related species fulmar, shearwater & petrels, shags (cormorants) and gannets skua's, gulls & terns waders and stilts 1(sandpipers, plovers, phalarope's and other smaller species)
waders and stilts 2(Other (larger) wader and stilt species)
waterfowl-1:(divers and grebes)
waterfowl-2:(swans/geese/dabbling ducks)
waterfowl-3:(diving ducks)
ptarmigan, birds of prey & pigeons passerines