Raptors. Eagles, Hawks and Falcons
Waterfowl. Ducks, Geese and Swans
Game Birds. Grouse, Pheasants and Ptarmigans
Song Birds. Different song birds from my travels.
Owls. Great Horned, Great Grey and Snowy
Others. Added so that I don’t forget that there are some birds that I have no idea what category they should reside in 🙂