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This list of birds of Illinois includes species documented in the U.S. state of Illinois and accepted by the Illinois Ornithological Records Committee (IORC). As of March 2024, there are 455 species and two species pairs included in the official list. [ 1 ]
The lightest known species is the roadside hawk, [a] at an average of 269 g (9.5 oz) although the lesser known white-rumped and Ridgway's hawks are similarly small in average wingspan around 75 cm (30 in), and average length around 35 cm (14 in) in standard measurements.
The fauna of Illinois include a wide variety of mammals, birds, amphibians, reptiles, fish and insects (not listed). The state bird is the Northern cardinal. The state insect is the monarch butterfly. The state animal is the white-tailed deer. The state fish is the bluegill. The state fossil is the tully monster.
The Peterson Field Guides (PFG) are a popular and influential series of American field guides intended to assist the layman in identification of birds, plants, insects and other natural phenomena. The series was created and edited by renowned ornithologist Roger Tory Peterson (1908–1996).
The American goshawk (Astur atricapillus) is a species of raptor in the family Accipitridae. It was first described by Alexander Wilson in 1812. The American goshawk was previously considered conspecific with the Eurasian goshawk but was assigned to a separate species in 2023 based on differences in morphology, vocalizations, and genetic divergence. [2]
Hawk in flight. With their broad wingspans and sharp talons, hawks are some of the most regal birds in the skies. But beyond their powerful physical qualities, hawks hold deep spiritual meaning ...
Left to right: Cooper's hawk, sharp-shinned hawk, and the red-tailed hawk (not to scale). In the United States, chickenhawk or chicken hawk is an unofficial designation for three species of North American hawks in the family Accipitridae: Cooper's hawk (also called a quail hawk), the sharp-shinned hawk, and the Buteo species red-tailed hawk.
The northern goshawk has been split into two species based on significant morphological and genetic differences: Eurasian goshawk, Astur gentilis;