. Distribution, habitat, and calling season of the Illinois chorus frog (Pseudacris streckeri illinoensis) along the lower Illinois River. Frogs. Illinois Natural History Survey Biological Notes No. 132. Figure 4. Habitat modification due to hog raising on a sand ridge in Scott County, Illinois. Note that the hog pen is de- nuded of vegetation. The dead trees in the area adjacent to the pen were probably killed earlier by hogs. The fertile, level land (with more clay, silt, and/or organic matter) in the foreground is planted in corn. Illinois chorus frogs {Pseudacru streckeri illinoensis) were
. Distribution, habitat, and calling season of the Illinois chorus frog (Pseudacris streckeri illinoensis) along the lower Illinois River. Frogs. Illinois Natural History Survey Biological Notes No. 132. Figure 4. Habitat modification due to hog raising on a sand ridge in Scott County, Illinois. Note that the hog pen is de- nuded of vegetation. The dead trees in the area adjacent to the pen were probably killed earlier by hogs. The fertile, level land (with more clay, silt, and/or organic matter) in the foreground is planted in corn. Illinois chorus frogs {Pseudacru streckeri illinoensis) were heard calling in the springs of 1984 and 1985 not far from this site. Photograph taken on 30 August 1985 by Kevin J. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brown, Lauren E; Rose, George B; Illinois. Natural History Survey Division. Champaign, Ill. : Illinois Natural History Survey
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Keywords: ., bookauthorillinoisnaturalhist, bookcentury1900, booksubjectfrogs
