Aviator Harness Sizes

Petite:

75 – 110 grams
Lg. Parakeets, Sm. Indian ringnecks, Cockatiels, Sm. Conures (Green cheek, Brown throat)
X-Small:

110- 190 grams
Quakers, Senegal, Doves, Med. Parakeets (Indian ringneck, Port Linclon) Rainbow Lories, Rosellas, Noble Macaw, Lg. Conures (Suns, Jendays Nanday, Blue Crown), Caiques.
Small:

190-425 grams
Amazons (Lilac Crown, Blue Front) Timneh grey, Yellow Collar Macaw, Sm. Cockatoos (Goffins, Major Mitchell, Galah, Lesser Sulfur) Lg. Parakeets, Chattering Lori, All Pionus.
Medium:

425-600 grams.
Eclectus, Med. Macaws (Severe, Red Fronted) Lg. Amazons (Double Yellow, Yellow Nape) Umbrella, Congo Grey, Eclectus.
Large:

600-1000 grams.
Lg. Macaws, Triton, Sm. Moluccan.
X-Large:

1000-1600 grams.
Lg. Moluccan, Green Winged Macaw, Hyacinth.