Recommended Ring Sizes (from AACC Website)
Size A - Aluminum CLOSED & SPLIT (2.2mm), Plastic SPLIT Size XF
Small Waxbills and Bicheno (Owl Finches) Finches
Size B - Aluminum CLOSED & SPLIT (2.4mm), Plastic SPLIT Size XF
Cordon Bleu, Fire Finch, Lavender Finch
Size C - Aluminum CLOSED & SPLIT (2.5mm), Plastic SPLIT Size XF
Silverbills, Star Finch, Heck’s Grassfinch, Pictorella, Cherry Finch, Painted Finch, Chestnut Breasted Finch, Red Siskin
Size D - Aluminum CLOSED & SPLIT (2.7mm), Plastic SPLIT Size XF
Green Singing Finch, Cut-Throat Finch, Parrot Finch, Violet Eared Waxbill, Gouldian Finch other Australian Finches, Bengalese Finch
Size E - Aluminum CLOSED & SPLIT (2.9mm), Plastic SPLIT Size XCS
Gloster, Fife, and Japanese Hoso, Blackcap, Greenfinch, Nightingale, Yellow Hammer, Chaffinch, Bramble Finch, Red Bunting, Diamond Sparrow, Yellow Siskin and all Nuns, Zebra Finch, European Goldfinch, European Bullfinch
Size G - Aluminum CLOSED & SPLIT (3.2mm), Plastic SPLIT Size XCL
Border, Roller, Scotch Fancy, Waterslager, American Singer, Lizard Canaries, Colourbred Canaries, Snow Bunting, Siberian Goldfinches,
Size J - Aluminum CLOSED & SPLIT(3.5mm), Plastic SPLIT Size XCL
Yorkshire, Norwich, Crested and Frill Canaries, Corn Bunting, Siberian Bullfinches
Size K - Aluminum CLOSED & SPLIT (4.0mm), Plastic SPLIT Size XB
Java Sparrow, Hawfinch, Shama, Mesia, Pekin Robin, Saffron Finch
Size L - Aluminum CLOSED & SPLIT (4.2mm), Plastic SPLIT Size XB
Budgerigar(Pet), Grass Parakeets including Bourkes, Turquoisines, Splendids, Elegants and Bluewings, Diamond Dove, Chinese Painted Quail, Button Quail, Bulbuls, Parrotlets
Size M - Aluminum CLOSED & SPLIT (4.5mm), Plastic SPLIT Size X3
Exhibition Budgerigars, Redrumps, Manycolours, Lovebirds, Mistle Thrush, Blackbird, Shrike, Glossy Starlings, Kakarikis, Lineolated Parakeets, Stanley Rosella, Swift Parrots
Size N - Aluminum CLOSED & SPLIT (5.5mm), Plastic SPLIT Size 1FB
Cockatiels, Mealie & Golden Mantled Rosellas, Pileated Parrot, Plumheaded Parakeet, Goldie Lorikeet, Lutino & Pied Kakarikis
Size P - Aluminum CLOSED & SPLIT (6.0mm), Plastic SPLIT Size 1FB
Cloncurry, Pennant, small Quakers, large Quail, Dusky, Peach Fronted, Nanday, Sun, Green Cheeked, & Maroon Bellie Conures, Pyrrhura, African Ring Neck, Tippler/Tumbler Pigeons & Doves (including Ring Neck)
Size R - Aluminum CLOSED & SPLIT (7.0mm), Plastic SPLIT Size 1FB
Port Lincoln, Twenty-Eight, Blue Headed Pionus, Larger Rosellas, Crimson, Jenday, & Blue-Winged Conures, larger Quakers (over 100 grams esp. Myiopsitta monachus monachus), Princess of Wales, Lesser Hill Mynah, Rainbow, Dusky, Blue-Streaked & Violet Necked Lory, Rock Pebbler, Barrabands, Grey Cheeked Parakeet
Size S - Aluminum CLOSED & SPLIT (8.0mm), Plastic SPLIT Size 2FB
Derbyan, & Patagonian Conure, Homing Pigeon, Australian King Parrot, Moustache Parakeets, Red Lory, Meyer’s Parrot, Hahn’s Macaw, Blue Crowned Pionus, Indian Ringneck , Senegals
Size T - Aluminum CLOSED & SPLIT (9.0mm), Plastic SPLIT Size 3FB
Alexandrine Parakeet, Mitred, White Eyed, Red Fronted, White Crowned & Scaly Headed Pionus, White Fronted, Yellow Billed and Tucuman Amazons, Dwarf Macaws, Red Bellied Parrots, Large Lories, Chattering Lories, Cherry Headed Conure, Jardine Parrot, Stella's Lory, Hawk Headed Parrots,Caiques
Size U - Aluminum CLOSED & SPLIT (10.0mm), Plastic SPLIT Size 4PB
Goffin, Citron Crested, Lesser Sulphur Crested and Rose Breasted Cockatoos, Timneh African Greys, Severe Macaw, White Crowned Turaco
Size V - Aluminum CLOSED & SPLIT (11.00mm), Plastic SPLIT Size 5PB
Congo African Grey, Medium Sulphur Crested Cockatoos, Mexican Red Headed, Yellow Crowned & Red Lored Amazons, and other large Amazons, All Eclectus
Size W - Aluminum CLOSED & SPLIT (13.0mm), Plastic SPLIT Size 6PB
Triton, Moluccan and Umbrella Cockatoos, Scarlet Macaw, Greater Sulphur Crested Cockatoo, Blue & Gold Macaw, Military Macaw*, Umbrella Cockatoo
Size X - Aluminum CLOSED & SPLIT (15.0mm), Plastic SPLIT Size 7PB
Green Winged and other large Macaws, Leadbeater's, Palm and Sulphur Crested Cockatoos
Size Y - Aluminum CLOSED & SPLIT (16.0mm), Plastic SPLIT Size 8PB
Hyacinth Macaw
Individual breeders may find it convenient to use sizes one larger or smaller than the ones we have recommended, especially those marked with a *. Sizes K to Y available in stainless steel (closed, year dated) in addition to closed aluminum. Split plastics sizes 3FB and larger must be special ordered and cannot be numbered or coded. Size lists for birds of prey, geese, waterfowl and poultry, and doves & pigeons available upon request.
