Large macaws include species such as the hyacinth macaw, the scarlet macaw, and the green-winged macaw. These macaws can grow to be quite large, with some species reaching lengths of up to 3 feet. It can take large macaws up to 5-7 years to reach full adult size.
Small macaws include species such as the blue-and-gold macaw, the mini macaw, and the Hahn's macaw. These macaws are typically smaller than the large macaws, with most species reaching lengths of under 2 feet. It can take small macaws up to 3-5 years to reach full adult size.