Cook County

T.J. O'Brien Lock and Dam east

Small parking area on the east side of Torrence Ave., then walk to where the remains of 134th St. come to the Calumet River. Bell’s Vireo have bred in the Willows here, the only place that this species can be regularly found within the City of Chicago. Black-crowned Night Heron and Willow Flycatcher can also be found here in season.

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