What area is suggested by some sources as a western/northern demarcation line for copperhead expansion, differing from the Lake Michigan suggestion?
Answer
Southern Illinois or Indiana area
While some sources indicate a western limit near the southern tip of Lake Michigan, others point toward the southern Illinois or Indiana area as a more accurate western/northern demarcation line for the species.
Related Questions
What is the scientific name given for the Eastern variety of the copperhead snake?Which general region of the United States is heavily concentrated with copperhead snake populations?According to range descriptions, how far north does the copperhead territory extend?What location generally defines the southern extent of the copperhead's typical range?Which state marks the inland westward boundary of the copperhead's distribution pattern?Which specific terrain feature do copperheads frequently utilize for basking spots and shelter crevices?Besides rocky areas, what natural feature do copperheads show a strong affinity for settling near?How do copperheads compare to some other venomous species regarding proximity to human development?What natural elements do copperheads rely on their banded, coppery-brown patterns to blend with?How does the copperhead's preferred location often differ from where a rattlesnake might be found?What area is suggested by some sources as a western/northern demarcation line for copperhead expansion, differing from the Lake Michigan suggestion?