My aim in compiling this table is to place the Birds of the World in groups identified by names, most of which will be readily recognized by "birders" everywhere. The names used are in regular use and refer to environments, habitats, appearance and behaviour. The following table in work in progress.

EARLY BIRDS - Ostriches, Rheas, Cassowaries, Emu, Kiwis. 0.93 -
GAME BIRDS - Scrub-fowl, Guineafowl, Chachalacas, Guans, Currasows. Takahe, Hative-hens, Pheasants, Francolin & Spurfowl, Tinamous, New World Quail. 2.60 -
GROUND FORAGERS - A.Bustards, Thick-knees, Coursers, Sandgrouse. B. Wheatears, Ring Ouzel, Rock Fowl, Rock Thrushes, Rock Jumpers, Road Runners, Accentors. C. Larks, Wagtails, Pipits, Longclaws. 2.80 6.33
WATERFOWL - Screamers, Magpie Goose, Swans, Geese, Whistling Ducks, Shelducks, Ducks 1.60 -
SEA & OCEAN BIRDS – Gulls, Terns, Skimmers, Petrels, Shearwaters, Auks, Storm Petrels, Albatrosses, Penguins, Pelicans, Tropicbirds 2.78 -
INLAND WATER & RIVER BIRDS - includes Loons, Grebes, Sungrebe, Coots, Cormorants, Shags, Anhingas, Kingfishers, Dippers, Phalaropes 1.12 -
LONG-LEGGED WADERS - Flamingos, Spoonbills, Jacanas, Avocets, Stilts. Dowitchers, Godwits, Curlews, Whimbrel, Shanks, Yellowlegs. 0.52 -
SHORE BIRDS - Sandpipers, etc 1.19 -
MARSHLAND, REED-BED AND SWAMP BIRDS - Swamphens, Gallinules, Moorhens. Herons, Egrets, Bitterns. Rails, Snipe. Sunbittern. Hamerkop, Shoebill. Small Marshland Birds. 2.60 -
WETLAND FORAGERS - Stork, Ibis. Cranes & Limpkin. 0.62 10.43
FRUIT EATERS - Parrots and Cockatoos. Pigeons and Doves. Turacos, Bulbuls, Barbets, Hornbills, Mousebirds. Figbirds, Whistlers erc. Cotingas, Manakins, Toucans etc. 13.63 13.63
BOP's & OTHER FLESH EATERS - Vultures, Falcons. Kites, Hawks, Eagles. Owls. Skuas, Jaegers, Frigatebirds. Shrikes etc. 7.40 7.40
AERIAL INSECTIVORES- Swifts, Tree-Swifts, Swallows, Martins, Wood Swallows, Pratincoles, Nightjars, Potoos, Owlet-Nightjars 3.13
FLY OUT AND CATCH INSECTS - Jacamars, Bee-eaters, NW Flycatchers, OW Flycatchers. Fantails, Monarchs. 7.35
FLY DOWN AND SNATCH INSECTS - Alethes, Akalats, Forest Robins, Robin-Chats, Bush & Scrub Robins, White-winged Chats, Robin. 1.85
Bluethroat, Stonchats, Whinchat, Redstarts, Whitestarts, Blackstart 0.36
INSECT GLEANERS - Wrens, Gatcatchers, Fairy Wrens, New Zealand Wrens 1.26 13.95
FINCH-LIKE BIRDS – Buntings, Waxbills, Sparrows, Grosbeaks etc 8.30 8.30
FOREST AND WOODLAND FORAGERS - Thrushes. Mockingbirds,Thrashers, Catbirds. Starlings. Grackles and Meadowlarks. 3.2 3.20
OTHER SEED EATERS - 14.2 14.20
Thicket and ground litter foragers – Babblers, Antbirds & Pittas. 10.8 10.80
Nuthatches, Creepers, . 12.12 12.12
TOTAL 100.36