Hawks in Illinois (9 Intriguing Species to Discover!)

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Hawks in Illinois

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From the tranquil prairies to the bustling cities, Illinois is rich with a diversity of avian life, including an impressive variety of hawks. These powerful birds of prey, recognized for their keen hunting skills, impressive stature, and graceful flight, play a significant role in the Prairie State’s vibrant ecosystem.

Hawks can be found soaring over Illinois’ skies, their cries echoing across both rural and urban landscapes, adding a captivating element to the state’s wildlife tableau.

List of Hawks in Illinois

Illinois, with its diverse habitats including forests, wetlands, and grasslands, attracts a variety of hawk species. Here is a list of hawks in Illinois sorted by their abundance:

Red-Tailed Hawk – can be found in various habitats throughout the state, including rural areas, woodlands, and even suburban neighborhoods. Starved Rock State Park and Shawnee National Forest are popular locations to observe these majestic birds.

Cooper’s Hawk – these medium-sized hawks are often found in forested areas, and they have adapted well to urban environments too. Look for them near bird feeders or wooded parks, such as Lincoln Park in Chicago.

Red-Shouldered Hawk – can be found in woodlands and along rivers in Illinois. Their distinctive call and broad wings make them easily recognizable. Locations like the Cache River State Natural Area and the Emiquon National Wildlife Refuge provide opportunities to spot these hawks.

Broad-Winged Hawk – primarily migratory birds in Illinois, passing through during spring and fall. They prefer forested habitats and can be observed during their migration at sites like the Illinois Beach State Park and Pere Marquette State Park.

Sharp-Shinned Hawk – look for them in woodlands and suburban areas, especially near bird feeders and wooded parks like the Morton Arboretum.

Swainson’s Hawk – migratory birds that visit Illinois during their spring and fall migrations. Keep an eye out for them in rural areas and grassland preserves like Midewin National Tallgrass Prairie.

Northern Harrier – can be seen in Illinois, particularly in wetland areas and open grasslands. Places like the Emiquon Complex and the Chautauqua National Wildlife Refuge offer excellent opportunities to observe them.

Rough-Legged Hawk – winter visitors to Illinois, arriving from their breeding grounds in the Arctic. Locations like the Emiquon National Wildlife Refuge and Hennepin Canal Parkway State Park may provide sightings of these winter visitors.

Northern Goshawk – uncommon in Illinois but can be found in the state’s forested areas. While sightings are rare, forested regions like the Shawnee National Forest provide potential habitats for these powerful hawks.

Red-tailed Hawk (Buteo jamaicensis)

Red-tailed Hawk scientific name

The Red-tailed Hawk is a large bird of prey that is commonly found across North America. This species is part of the genus Buteo, which is often referred to as the “true hawks,” and includes more than two dozen species of raptors.

Red-tailed Hawks have a robust size, ranging from 18 to 26 inches in length and sporting a wingspan that can exceed 4 feet. They have a broad, rounded set of wings and a short, wide red tail. This species is most easily recognized by its rich, rust-colored tail, which gives it its common name. However, juvenile hawks might not yet have this distinctive feature.

Their feathers are generally dark brown on their dorsal side (back) with a lighter, often speckled, ventral side (front). The intensity and pattern of their plumage can vary significantly based on their age and geographic location, as there are about 14 recognized subspecies of Red-tailed Hawks.

As for their diet, Red-tailed Hawks are carnivores and have a broad diet that includes rodents, ground rabbits, reptiles, and other birds. They are skilled hunters that typically sit on high perches and use their keen eyesight to spot potential prey. Once they have identified a target, they swoop down to capture it with their powerful talons.

Red-tailed Hawks mate for life and build nests high off the ground, often in tall trees or on cliff edges. Their nests are made of sticks and can be quite large. They typically lay 1-3 eggs per year, which are incubated by both parents.

Red-tailed Hawk range map credit https://www.allaboutbirds.org/

Red-tailed Hawk Sound

credit https://xeno-canto.org/645523

Cooper’s Hawk (Accipiter cooperii)

Cooper’s Hawk scientific name Accipiter cooperii
Cooper’s Hawk range map credit https://www.allaboutbirds.org/

Listen:

credit https://xeno-canto.org/580820

The Cooper’s Hawk is a medium-sized bird of prey native to North America. Known for its agility and speed, it is part of the Accipitridae hawk species, which also includes other hawks, eagles, and kites.

Cooper’s Hawks are typically about 14 to 20 inches in length, with a wingspan ranging from 27 to 36 inches. They are known for their distinctive long, rounded tails and short, rounded wings. They have a steely blue gray top, with rusty bars on their underparts and thick, dark bands on their tails.

The Cooper’s Hawk is a skilled predator, primarily hunting birds and small mammals. They are adept at hunting in both dense forests and open areas, often catching prey mid-air in high-speed pursuits. They have also been known to visit the backyard bird feeder, not for the seed, but to prey on the smaller birds that gather there.

Cooper’s Hawks often build nests in dense tree canopies where they are well concealed. The female usually lays 3 to 5 eggs, and both parents share incubation duties. The young hawks fledge after about a month but will stay close to the nest, relying on their parents for food as they learn to hunt.

Red-shouldered Hawk (Buteo lineatus)

Red-shouldered Hawk Scientific name buteo lineatus
Red-shouldered Hawk range map credit https://www.allaboutbirds.org/

Listen:

credit https://xeno-canto.org/712976

The red-shouldered hawk are medium sized birds of prey, part of the buteo hawks family. It can be distinguished from other hawks by its reddish iris and pale legs.

The adult has rusty red upperparts, white underparts, a black chin and throat, and a reddish brown stripe over each eye, reddish brown heads and a strongly banded tail. The tail is reddish brown with two paler bands across it and they have white checkered wings. Juveniles are brown with dark barring and have pale fringes on the feathers of their wings.

Red-shouldered hawks nest in trees, though they also inhabit manmade structures including barns, bridges, and buildings. They prefer wooded areas with an open canopy but will use other places as well for nesting such as shrubs and hedges if needed.

The red-shouldered hawk’s diet – they eat small mammals such as ground squirrels, rabbits, voles, mice and rats. They also eat birds such as quail, pigeons and doves; reptiles including snakes; amphibians; fish; crustaceans; insects; and carrion (dead animals).

Broad-winged Hawk (Buteo platypterus)

Broad-winged Hawk scientific name Buteo platypterus
Broad-winged Hawk range map credit https://www.allaboutbirds.org/

Broad-winged Hawk Sound

credit https://xeno-canto.org/663427

The Broad-winged Hawk holds a commanding presence as one of the largest hawks in the world, known for its broad wings. Its formidable size is a testament to its prowess as a bird of prey, effortlessly navigating the open skies in search of food.

Their distinctive appearance sets them apart. The adults exhibit a striking black and white pattern, complemented by a rusty breast and buff underparts and brown wings. In contrast, juveniles are adorned with a brown plumage, marked by pale edges on their feathers, adding to their distinctive youthful charm.

These hawks are most commonly found in open areas, such as farmlands or grasslands interspersed with scattered trees, which provide optimal conditions for when hawks hunt.

When it comes to their diet, Broad-winged Hawks feed on small rodents like mice, rats, squirrels, rabbits, and voles. Broad winged hawks breed during the spring and summer months then migrate to central and south America.

Sharp-shinned Hawk (Accipiter striatus)

Sharp-shinned Hawk Scientific name accipter striatus
Sharp-shinned Hawk range map credit https://www.allaboutbirds.org/

Listen:

credit https://xeno-canto.org/626062

The adult bird is brown on top and white underneath, with a dark brown band across its chest. It has short, rounded wings and a long tail that makes it look larger than it actually is. Adult sharp shinned hawks have black eyes, which are surrounded by white feathers. The female Sharp-shinned Hawk is browner than the male, who has darker brown markings on his back.

Sharp-shinned Hawks prefer open country for their habitat, including fields and meadows where they can hunt for mice and other small animals. They can be found throughout the United States but are most common in the east.

Sharp-shinned Hawks eat mostly small birds, such as sparrows and warblers, as well as small mammals such as mice and gophers. They catch prey by surprise using their incredible speed and agility, diving out of the sky at speeds up to 200 mph.

Sharp-shinned Hawks have an unusual hunting style for hawks—they prefer to catch their prey from perches above trees or telephone wires, rather than swooping down from above like most other hawks do and can often be seen hunting near bird feeders.

Swainson’s Hawk (Buteo swainsoni)

Swainson’s Hawk scientific name Buteo swainsoni
Swainson’s Hawk range map credit https://www.allaboutbirds.org/

Listen: Swainson’s Hawk

credit https://xeno-canto.org/468974

Swainson’s Hawk is a medium-sized hawk that is found in North America and South America, Scientific Name: Buteo swainsoni.

The bird has a blue-gray plumage with a dark brown back, wings, and tail. It also has a white chest and belly. The beak and feet are black, but the eyes are yellow. They are often confused with Cooper’s Hawk because of similar coloring, but Swainson’s Hawks have wider tails and longer wings than their cousin species.

These birds eat small rodents such as gophers and mice. They also eat insects like grasshoppers and crickets during the summer months when they’re plentiful. They sometimes steal prey from other birds of prey such as Northern Harriers who hunt the same prey.

Swainson’s Hawks build nests on rocky cliffs near water sources where they can find food easily. They lay three to five eggs that hatch after about two months into fluffy brown baby hawks who leave the nest after about three weeks (or when they’re big enough).

Northern Harrier (Circus hudsonius)

Northern Harrier Scientific name circus hudsonius
Northern Harrier range map credit https://www.allaboutbirds.org/

Listen:

credit https://xeno-canto.org/143657

The Northern Harrier is a medium-sized, slender hawk.

Adult birds are gray above, with pale bars on the wing feathers and white markings on the underwings and a white rump patch. The breast is barred with black and white, and the belly is streaked with brown.

They prefer open areas, such as grasslands and marshes, but can be found in almost any open habitat except dense woods.

Northern Harriers are opportunistic hunters that feed on small mammals such as mice, voles and rabbits as well as birds including quail, grouse and ducks. They hunt by flying low over open spaces such as fields or marshes.

Northern harrier nests on the ground in lowlands or hillsides near water bodies. It lays two to four eggs which hatch after 24 days of incubation by both parents. The chicks fledge after 30 days of hatching and remain dependent on their parents for another three weeks during which they learn how to fly.

Rough-legged Hawk (Buteo lagopus)

Rough-legged Hawk scientific name Buteo lagopus
Rough-legged Hawk range map credit https://www.allaboutbirds.org/

Rough-legged Hawk Sound

credit https://xeno-canto.org/666513

The Rough-legged Hawk is a large, raptor that is native to North America. It is also known as the American Rough-legged Hawk. Scientific Name: Buteo lagopus

The Rough-legged Hawk is a medium-sized hawk with a distinctive appearance, with dark brown feathers on its back and light brown feathers on its underside and broad thin wings. The hawk’s legs are also covered in dark feathers, which help to distinguish it from other species of hawk. The tail is barred with black and white. They have yellow eyes and dark feet.

Rough-legged Hawks hunt from above ground level, swooping down to catch its prey in its talons. When hunting for food, they prefer to eat small mammals such as squirrels and rabbits but will also eat birds if there aren’t any small mammals available. Although they eat a variety of small animals including birds, rodents, bats and reptiles, they rely heavily on fish for food during breeding season because it provides them with protein and calcium needed to produce eggs.

Northern Goshawk (Accipiter gentilis)

northern goshawk scientific name Accipiter gentilis
Northern Goshawk range map credit https://www.allaboutbirds.org/

Listen:

credit https://xeno-canto.org/484611

The Northern Goshawk is a medium-sized hawk that is found in North America, Europe and Asia. It has brown eyes, a large sharp beak, and dark brown plumage on its upperparts and head, with white underparts that are spotted with brown barring. Its tail feathers are grayish-black with a dark band near the tip.

Northern goshawks eat squirrels, rabbits, grouse, woodchucks and other small mammals like voles or mice (which they often eat whole). They will also take larger prey such as deer fawns or even adult deer if they have no other choice. They have broad wings with long feathers that allow them to glide through the air when they catch their prey. They also have an excellent sense of smell which helps them locate their food source.

The Northern Goshawk builds its nest in a tree cavity or on a ledge, usually on the edge of an open area so it can easily see prey below. The female lays 3 to 5 eggs over two days and incubates them for 28 to 30 days while the male brings food to her every few hours until they hatch. The young fledge after about 6 weeks and leave the nest when they are about 10 weeks old.

Where to Spot Hawks in Illinois 

Here are two notable locations known for the diversity of hawks in Illinois:

Illinois Beach State Park

Located along the shores of Lake Michigan in Zion, Illinois Beach State Park offers a mix of habitats, including dunes, wetlands, and woodlands. This variety attracts a wide range of bird species, including hawks. Visitors may have the chance to observe Red-tailed Hawks, Cooper’s Hawks, and Broad-winged Hawks as they soar above the park’s scenic landscapes.

Starved Rock State Park

Situated in Utica, Starved Rock State Park is known for its stunning canyons, waterfalls, and forests. This natural oasis provides an ideal habitat for various raptor species, including hawks. Birdwatchers can spot Red-shouldered Hawks, Red-tailed Hawks, and the occasional Sharp-shinned Hawk soaring through the canopies or perching on the park’s towering cliffs.

Neighbouring StateHawk Watching Site
See Hawks in WisconsinHawk Ridge Bird Observatory
See Hawks in IndianaIndiana Dunes State Park
See Hawks in KentuckyBernheim Arboretum and Research Forest
See Hawks in MissouriRockwoods Reservation
See Hawks in IowaHitchcock Nature Center

Remember that the best times for hawk watching are during the migration seasons, typically spring and autumn.

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