PSNZ Ring size identification chart
Letter mm
28’s P 6 Abyssinian Lovebird M 4.4 Adelaide Parrakeet P 6 African Grey V 11
Alexandrine Parrakeet T 8 Bare-eyed Cockatoo V 10.5 Barnard’s Parrakeet P 6 Barraband’s Parrakeet P 6 Black Lory S 7.5 Black-capped Lory T 8.5 Black-cheaked Lovebird M 4.4 Black-headed Caique T 8.5 Black-wing Lory S 7.5 Blue and Gold Macaw X 14 Blue-bonnet Parrakeet N 5.5 Blue-crowned Hanging Parrot L 4.3 Blue-fronted Amazon 10.5 Blue-headed Pionus T 8.5 Blue-naped Parrot T 8.5
Blue-streaked Lory R 7 Blue-throated Cunure P 6 Blue-winged Grass Parrakeet L 4 Bourke’s Parrakeet L 4 Brown-headed Parrot R 7 Brown’s Parrakeet N 5.5 Budgerigar L 4 Buffon’s Macaw X 14 Buln Buln P 6 Canary-winged Parrakeet N 5.5 Cape Parrot U 9.5 Cardinal Lory S 7.5 Celestial Parrotlet L 5.5 Citron-crested Cockatoo U 9.5