Lee County - Ogle County

Nachusa Grassland

Nachusa Grassland is a huge area of high-quality sand-hill prairie with many desirable breeding and wintering species. Grasshopper Sparrow, Henslow’s Sparrow, Savanna Sparrow, Vesper Sparrow, Sedge Wren, Bobolink, Horned Lark are all easily found breeding species. Look and listen for Lark Sparrows along the sandy two-track that goes west from the visitor center. Other sandy-scrub

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Putnam County

Clear Creek / Taylor Roads

This 8-mile driving loop can be excellent for forest and open-country species. Begin on Clear Creek Rd. (Co. Rd. 275/300N) east of Highway 26. The road follows Clear Creek and goes through some excellent forest habitat. In the first patch of woods breeding species include Summer and Scarlet Tanagers, Pileated Woodpecker, Yellow-throated Vireo, Tufted Titmouse

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Lake County

Ryerson/ Daniel Wright Woods

These two forest preserves make up the largest tract of mature lowland forest in Lake County and are major birding locations along the Des Plaines River corridor. As such they are two of the best locations for Barred Owl, Red-shouldered Hawk, and Broad-winged Hawk in the area. This area is also a great location for

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Adams County - Brown County

Siloam Springs State Park

Siloam Springs State Park is home to three highly sought-after species in Illinois: Worm-eating Warbler, Bewick’s Wren, and Chuck-will’s-widow, though Bewick’s Wren has not been present since 2014. Worm-eating Warbler can be found in almost any of the ravines found throughout the park, but can be very easily found at the parking lot indicated (Red

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Alexander County

Mill Creek/County Line Road

Slowly driving this road in the early morning in late May or June can result in a bonanza of southern Illinois specialty warblers, especially Worm-eating Warbler. The north-facing slopes in the area indicated by the pin on the map is very reliable for this species.

Other species found along the 5-mile wooded stretch include Pine

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Johnson County

Wildcat Bluff - Little Black Slough

From the Wildcat Bluff parking area, you can access the same network of trails that leads to Boss Island and Heron Pond from Michael Wolf Memorial Wetland. The trail to the west goes steeply down the bluff to the Cache River, where there is a ford consisting of concrete stepping stones that lead across to

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Cook County - Cook County Forest Preserves

Cap Sauers Holding Forest Preserve

Cap Sauers Holding is one of the larger wooded areas in the Palos Hills forest preserves of southwest Cook County. It is bordered by State Route 83 to the north, 104th Ave. in the east, McCarthy and Ford Roads to the south and private land to the west. It is primarily a hardwood forest, sometimes

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Cook County - Cook County Forest Preserves

Swallow Cliffs South Parking Lot

The large pine trees around this parking lot has been a good place for Red Crossbill, White-winged Crossbill, Pine Siskin, Common Redpoll and Red-breasted Nuthatch in season. In the woods immediately to the east of the parking area, Summer Tanager has been a regular breeder. Along the Sag Valley Trail to the east, between where

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Carroll County

Mississippi Palisades State Park

Mississippi Palisades is well known for its concentration of breeding forest birds, especially warblers. At other seasons, almost anywhere in or around the park can be great birding, this entry is concerned with the breeding species that can be found primarily May–August.

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