The Cooper's Hawk is about fourteen (14) to twenty (20) inches. The Cooper's Hawk is a grayish/blue color and the underparts are white and have horizontal stripes. The head is like a black hat and there are three black stripes running along the tail. The male and female of this species look almost identical except the female is 1/3 of an inch longer. The immature hawk has a brownish head and its underparts are vertically stripped with brown.
The Cooper's Hawk is a woodland species and also seen around farm woodlots,and urban areas.
The Cooper's Hawk was known as a predator of birds, but it also feeds upon mammals preferably squirrels, and chipmunks. This hawk was also known for raiding poultry yards.
The Cooper's Hawk builds its nest in high trees and will lay anywhere between two (2) to five (5) eggs. This species returns year after year to the same nest or will frequently change mates and nests.
This hawk is considered an endangered species in Wisconsin and Illinois. This species has suffered great persecution for its eating habits of poultry.