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, European Goldfinch, Bengalese Finch, other Australian Finches

 

 Size E - Aluminum CLOSED & SPLIT (2.9mm), Plastic SPLIT Size XCS
Gloster, Fife, and miniature Canaries, Blackcap, Greenfinch, Nightingale, Yellow Hammer, 

Zebra Finch, Chaffinch, Bramble Finch, Red Bunting, Diamond Sparrow, Yellow Siskin and all Nuns 

 

  Size G - Aluminum CLOSED & SPLIT (3.2mm), Plastic SPLIT Size XCL
Border, Roller, Red Factor, Japanese Hoso, Waterslager, American Singer and Lizard Canaries, Snow Bunting 

 

   Size J - Aluminum CLOSED & SPLIT(3.5mm), Plastic SPLIT Size XCL
Yorkshire, Norwich, Crested and Frill Canaries, Corn Bunting 

 

  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, Grass Parakeets including Bourkes, Turquoisines, Splendids, Elegants and 

Bluewings plus Diamond Dove, Chinese Painted Quail, Button Quail, Parrotlets, Bulbuls

 

Size M - Aluminum CLOSED & SPLIT (4.5mm), Plastic SPLIT Size X3
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

 

Size P - Aluminum CLOSED & SPLIT  (6.0mm), Plastic SPLIT Size 1FB
Cloncurry, Pennant, small Quakers, large Quail, Dusky, Peach Fronted, Pyrrhura, Nanday, Sun, Green Cheeked,

& Maroon Bellie Conures,  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 Caiques, 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 

 

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 (11.0mm),  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