What size is a baby macaw?

The size of a baby macaw varies depending on the species. For example, the Hyacinth Macaw, one of the largest macaw species, has hatchlings that are approximately 12 inches (30 centimeters) long and weigh around 1 pound (450 grams). In comparison, the Scarlet Macaw, a medium-sized species, has hatchlings that are around 10 inches (25 centimeters) long and weigh about 10 ounces (280 grams).