This site will look much better in a browser that supports web standards, but it is accessible to any browser or Internet device.


Agkistrodon contortrix (Linnaeus, 1766) - Copperhead


Collection Summary

Agkistrodon contortrix (Copperhead) has a total of 607 valid, non-duplicated collections representing 95 counties and 349 localities. There are a total of 134 collectors and 325 collection dates for the species. This results in a total of 337 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1889 and its most recent collection year is 2019. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 27 and December 31, respectively. If you have a new record to report, read the New Records section of the FAQ.

Collection Summary by County

Collection summary for Agkistrodon contortrix (Copperhead) by county. Some values are unavailable since some records are represented solely by historical literature reports, which sometimes lack complete collecting data. Click on a county name to view more information about that county. Click on column headings to sort by that column.
County Localities Collections Collectors Dates Expeditions Earliest Year Latest Year
Adair 2 3 1 1 1 1961 1961
Andrew 1 1 2 1 1 1992 1992
Atchison 1 1 1 1 1 1935 1935
Barry 8 11 7 8 8 1927 2007
Barton 1 1 1 1 1 2018 2018
Bates 4 11 1 4 4 1943 1962
Benton 2 6 2 2 2 1951 2002
Bollinger 5 5 4 5 5 1962 1999
Boone 14 20 17 19 20 1940 2012
Buchanan 1 1 1 1 1 1956 1956
Butler 6 6 9 6 6 1935 1996
Caldwell 2 2 1 2 2 1954 1955
Callaway 2 2 2 2 2 1981 2005
Camden 4 4 5 4 4 1947 2014
Cape Girardeau 6 6 6 6 6 1943 2011
Carroll 1 3 1 1 1 1944 1944
Carter 5 5 6 4 5 1930 2008
Cass 3 5 1 3 3 1945 1951
Cedar 3 3 6 3 3 1988 2002
Chariton 1 2 1 1 1 1961 1961
Christian 4 4 3 4 4 2008 2018
Clark 1 1 1 1 1 1957 1957
Clay 2 9 1 2 2 1939 1959
Clinton 2 57 1 9 9 1961 1962
Cole 1 1 1 1 1 2009 2009
Cooper 1 1 1 1 1 2010 2010
Crawford 4 4 4 4 4 1955 2019
Dade 1 1 1 1 1 1993 1993
Dallas 5 5 9 5 5 1941 2014
Daviess 2 2 2 2 2 1950 2003
De Kalb 1 7 1 1 1 1962 1962
Dent 3 4 6 4 4 1909 2013
Douglas 4 4 3 4 4 1973 2019
Dunklin 1 1 2 1 1 2008 2008
Franklin 2 2 2 2 2 1990 2017
Gasconade 3 3 3 3 3 2002 2006
Gentry 3 3 2 2 3 2000 2000
Greene 8 8 6 8 8 1959 2019
Grundy 1 1 1 1 1 2010 2010
Harrison 1 1 1 1 1 2001 2001
Hickory 3 3 3 3 3 1951 2010
Holt 3 4 2 3 3 1956 1959
Howell 2 3 2 2 2 1956 1956
Iron 3 3 4 2 2 1991 2009
Jackson 22 76 3 33 35 1926 1981
Jasper 1 1 1 1 1 2018 2018
Jefferson 15 18 11 11 11 1927 2015
Johnson 4 16 3 6 6 1939 2016
Laclede 3 4 7 4 4 1941 2003
Lawrence 1 1 2 1 1 2009 2009
Lincoln 2 3 1 3 3 1978 2011
Livingston 1 1 1 1 1 1941 1941
Madison 2 3 2 3 3 1962 1996
Maries 1 1 1 1 1 2006 2006
Marion 1 1 1 1 1 1998 1998
McDonald 7 7 6 5 5 1991 2009
Miller 5 6 7 5 5 1975 2018
Moniteau 2 2 4 2 2 1941 2005
Monroe 4 4 3 4 4 1950 2017
Montgomery 5 6 8 5 5 1970 2015
Morgan 3 3 3 3 3 1940 1962
New Madrid 3 3 3 2 3 1956 1956
Oregon 2 2 2 2 2 1941 1973
Osage 3 3 4 3 3 1938 2012
Ozark 10 11 9 9 9 1973 2005
Perry 1 1 1 1 1 2017 2017
Pettis 7 21 5 8 8 1939 2014
Phelps 4 4 6 4 4 1962 2015
Pike 3 15 3 3 3 1939 1994
Platte 3 4 3 4 4 1939 1960
Polk 1 1 2 1 1 2014 2014
Pulaski 5 5 3 4 4 1976 2018
Ralls 1 1 3 1 1 2015 2015
Randolph 1 2 1 1 1
Ray 4 24 1 7 7 1950 1961
Reynolds 2 2 2 2 2 1962 2007
Ripley 4 5 3 4 4 2005 2007
Saint Charles 2 2 2 2 2 1975 1999
Saint Clair 12 19 10 14 14 1936 2007
Sainte Genevieve 2 2 2 2 2 1941 2013
Saint Francois 1 1 1 1 1 2009 2009
Saint Louis 9 15 5 10 11 1889 2009
Saline 1 1 1 1 1 1939 1939
Scott 1 1 1 1 1 1996 1996
Shannon 6 6 6 5 5 1963 2010
Stoddard 10 20 6 11 11 1935 1973
Stone 2 4 3 3 3 1906 2006
Taney 7 8 10 6 8 1983 2014
Texas 4 4 5 4 4 2004 2007
Vernon 1 2 2 2 2 1937 1937
Warren 3 3 4 3 3 2000 2013
Washington 3 8 3 4 4 1909 1962
Wayne 13 14 9 10 10 1934 2009
Webster 2 5 2 2 2 1959 2001
Wright 1 1 1 1 1 2004 2004