425-600g birds. Example: Congo Grey, Umbrella Cockatoo, Eclectus, big Amazons

75-110g birds. Example: Cockatiels, Green Cheek Conures, Kakariki Parakeets

190-425g birds. Example: Blue-fronted amazon, Timneh Grey, Pionus, Galah Cockatoo

1000g-1600g birds. Example: Green-winged Macaw, Hyacinth Macaw

110-190g birds. Example: Hahn´s macaw, Quakers, Senegals, Caique