A baby hawk is called an eyas. Male hawks are called tierces, while female hawks are called hens. A group of hawks is known as a kettle, a cast or an aerie.
One common species of hawk in the United States is the Red-shouldered Hawk. The Red-shouldered Hawk can be found throughout the eastern portion of the country. Both the male and the female hawk build the nest, which is approximately 2 feet in diameter. The female hawk will lay 2 to 5 eggs, which will incubate for 32 to 40 days. When hatched, eyas are covered with thick down, which will continue to grow after hatching. The nestling period for the eyas is 42 to 49 days.