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Heterodon platirhinos Latreille, 1801 - Eastern Hog-nosed Snake


Collection Summary

Heterodon platirhinos (Eastern Hog-nosed Snake) has a total of 274 valid, non-duplicated collections representing 85 counties and 225 localities. There are a total of 87 collectors and 193 collection dates for the species. This results in a total of 204 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 2018. The earliest and latest collection dates (independent of earliest and most recent collection years) are February 1 and November 3, respectively. If you have a new record to report, read the New Records section of the FAQ.

Collection Summary by County

Collection summary for Heterodon platirhinos (Eastern Hog-nosed Snake) 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 4 4 3 4 4 1960 2009
Barry 2 3 6 3 3 1930 2005
Benton 2 2 1 2 2 2008 2013
Bollinger 4 5 5 5 5 1937 1967
Boone 9 13 7 13 13 1923 2014
Buchanan 1 1 1 1 1 2009 2009
Butler 4 4 3 4 4 1958 1995
Callaway 4 4 1 4 4 1997 2013
Camden 3 3 2 3 3 1964 2002
Cape Girardeau 1 1 1 1 1 1996 1996
Carroll 1 1 1 1 1 1944 1944
Carter 1 1 2 1 1 1981 1981
Cass 1 1 1 1 1 1990 1990
Cedar 1 1 5 1 1 1998 1998
Chariton 1 1 1 1 1 1938 1938
Christian 1 1 1 1 1 1967 1967
Clark 2 2 2 2 2 1979 2011
Clay 1 1 1 1 1 1962 1962
Clinton 1 1 1 1 1 1998 1998
Cole 1 1 1 1 1 2004 2004
Cooper 1 1 1 1 1 1966 1966
Crawford 1 2 2 2 2 1902 1902
Dade 1 1 1 1 1 2000 2000
Dallas 3 3 3 3 3 1941 2016
Daviess 1 1 1 1 1 1940 1940
De Kalb 1 1 1 1 1 1989 1989
Dent 2 2 2 2 2 1909 1909
Dunklin 3 3 1 2 2 1962 1962
Franklin 5 5 5 5 5 1927 1965
Gasconade 2 3 2 2 2 1973 1973
Greene 4 4 3 4 4 2000 2018
Grundy 1 4 1 3 3 1963 1964
Hickory 1 1 1 1 1 1964 1964
Howard 5 6 3 4 4 1997 2011
Howell 1 2 2 2 2 1906 1906
Iron 3 3 3 3 3 1972 2003
Jackson 23 29 5 20 22 1908 2001
Jefferson 5 6 2 2 2 1905 1905
Johnson 9 12 5 6 6 1939 1995
Knox 1 1 1 1 1 2004 2004
Laclede 3 3 3 3 3 1962 2003
Lewis 2 2 2 2 2 1940 1940
Lincoln 3 5 1 5 5 1978 2012
Livingston 1 1 1 1 1 1938 1938
Macon 2 2 2 2 2 1983 1997
Madison 1 1 1 1 1 2018 2018
Maries 2 2 2 2 2 2015 2015
Marion 2 2 2 2 2 2002 2009
McDonald 1 2 1 1 1 1930 1930
Miller 2 2 2 2 2 1953 2018
Mississippi 1 1 1 1 1 1962 1962
Monroe 2 2 3 2 2 2002 2013
Montgomery 4 5 4 4 4 1905 2004
Morgan 3 5 2 4 4 1948 1967
New Madrid 1 1 1 1 1 1956 1956
Oregon 3 3 4 3 3 1956 2006
Ozark 2 2 2 2 2 1973 1976
Pemiscot 1 1 1 1 1 1961 1961
Perry 3 3 3 2 3 1923 2010
Pettis 2 2 3 2 2 1941 1976
Phelps 3 3 3 3 3 1982 2000
Pike 2 2 2 2 2 1996 1996
Polk 1 1 1 1 1 2012 2012
Pulaski 2 2 2 2 2 1954 2010
Ralls 2 2 2 2 2 1982 2012
Randolph 4 4 3 4 4 2001 2004
Ray 1 1 1 1 1 1965 1965
Reynolds 3 3 2 2 2 1992 2003
Saint Charles 3 7 2 5 5 1889 1985
Saint Clair 4 5 2 4 4 1938 1939
Sainte Genevieve 1 1 1 1 1 2015 2015
Saint Francois 2 4 3 3 3 1900 1934
Saint Louis 5 8 5 5 6 1890 2010
Scott 2 3 1 1 1 1938 1938
Shannon 4 4 5 4 4 1962 2008
Stoddard 3 4 4 4 4 1938 1979
Stone 1 2 1 2 2 1950 1950
Taney 6 7 7 6 6 1969 2011
Texas 3 3 3 3 3 2003 2007
Vernon 1 1 1 1 1 1936 1936
Warren 2 2 3 2 2 2013 2013
Washington 2 3 1 2 2 1909 1909
Wayne 6 9 6 6 7 1934 2005
Worth 1 1 1 1 1 2002 2002
Wright 1 2 1 2 2 1932 1932