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

Heterodon platirhinos Latreille, 1801 - Eastern Hog-nosed Snake

Maps

Locality Map

Locality map for Heterodon platirhinos (Eastern Hog-nosed Snake)
Locality map for Heterodon platirhinos (Eastern Hog-nosed Snake).
Map created 3 August 2022.

County Map

County map for Heterodon platirhinos (Eastern Hog-nosed Snake)
County map for Heterodon platirhinos (Eastern Hog-nosed Snake).
Map created 3 August 2022.

Historical Locality Map

Historical locality map for Heterodon platirhinos (Eastern Hog-nosed Snake)
Historical locality map for Heterodon platirhinos (Eastern Hog-nosed Snake). Black circles ( ) represent records after 1986, blue squares ( ) represent records between 1966 and 1986, orange triangles ( ) represent records prior to 1966. Note that more recent records might conceal underlying older records.
Map created 3 August 2022.

Historical County Map

Historical county map for Heterodon platirhinos (Eastern Hog-nosed Snake)
Historical county map for Heterodon platirhinos (Eastern Hog-nosed Snake). Black circles ( ) represent records after 1986, blue squares ( ) represent records between 1966 and 1986, orange triangles ( ) represent records prior to 1966. Note that only the most recent county record for each county is shown.
Map created 3 August 2022.

Ecological Drainage Locality Map

Ecological Drainage Units map for Heterodon platirhinos (Eastern Hog-nosed Snake)
Ecological Drainage Units locality map for Heterodon platirhinos (Eastern Hog-nosed Snake).
Map created 3 August 2022.

Natural Divisions Locality Map

Natural Divisions locality map for Heterodon platirhinos (Eastern Hog-nosed Snake)
Natural Divisions and Sections locality map for Heterodon platirhinos (Eastern Hog-nosed Snake).
Map created 3 August 2022.

Major Watersheds Locality Map

Major watersheds map for Heterodon platirhinos (Eastern Hog-nosed Snake)
Major Watersheds locality map for Heterodon platirhinos (Eastern Hog-nosed Snake).
Map created 3 August 2022.

Level I Ecoregion Locality Map

Level I Ecoregions map for Heterodon platirhinos (Eastern Hog-nosed Snake)
Level I Ecoregion locality map for Heterodon platirhinos (Eastern Hog-nosed Snake).
Map created 3 August 2022.

Level II Ecoregion Locality Map

Level II Ecoregions map for Heterodon platirhinos (Eastern Hog-nosed Snake)
Level II Ecoregion locality map for Heterodon platirhinos (Eastern Hog-nosed Snake).
Map created 3 August 2022.

Level III Ecoregion Locality Map

Level III Ecoregions map for Heterodon platirhinos (Eastern Hog-nosed Snake)
Level III Ecoregion locality map for Heterodon platirhinos (Eastern Hog-nosed Snake).
Map created 3 August 2022.

Level IV Ecoregion Locality Map

Level IV Ecoregions map for Heterodon platirhinos (Eastern Hog-nosed Snake)
Level IV Ecoregion locality map for Heterodon platirhinos (Eastern Hog-nosed Snake).
Map created 3 August 2022.

Native Status

Heterodon platirhinos (Eastern Hog-nosed Snake) is native to Missouri.

Collection Summary

Heterodon platirhinos (Eastern Hog-nosed Snake) has a total of 291 valid, non-duplicated collections representing 90 counties and 242 localities. There are a total of 104 collectors and 208 collection dates for the species. This results in a total of 221 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 2021. 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 3 4 7 4 4 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 5 5 4 5 5 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 2 2 2 2 2 1944 2021
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
Holt 1 1 1 1 1
Howard 5 6 3 4 4 1997 2011
Howell 2 3 3 3 3 1906 1980
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 5 7 3 6 6 1905 1969
New Madrid 2 2 2 2 2 1956 1966
Oregon 3 3 4 3 3 1956 2006
Osage 1 1 3 1 1 2020 2020
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 4 4 3 4 4 1982 2020
Pike 2 2 2 2 2 1996 1996
Polk 1 1 1 1 1 2012 2012
Pulaski 3 3 4 3 3 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
Ripley 2 2 2 2 2 1970 2015
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
Scotland 1 1 4 1 1 2020 2020
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
Sullivan 1 1 3 1 1 2018 2018
Taney 7 8 7 7 7 1969 2020
Texas 4 4 4 4 4 1974 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

Potential County Records

Potential counties for Heterodon platirhinos (Eastern Hog-nosed Snake). Counties are listed in descending order of their likelihood of having this species. Click on a county to view more information about that county. Click on column headings to sort by that column.
Likelihood County Rationale Ecoregion / Watershed
2 Caldwell Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
2 Moniteau Same Level IV ecoregion, within 5 miles River Hills
2 Putnam Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
2 Schuyler Same Level IV ecoregion, within 5 miles Loess Flats and Till Plains
2 Shelby Same Level IV ecoregion, within 5 miles Claypan Prairie
3 Douglas Same Level III ecoregion, within 5 miles Ozark Highlands
3 Platte Same Level III ecoregion, within 5 miles Western Corn Belt Plains
3 Saline Same Level III ecoregion, within 5 miles Western Corn Belt Plains
4 Andrew Same Level IV ecoregion, within 10 miles Missouri Alluvial Plain
4 Andrew Same Level IV ecoregion, within 10 miles Rolling Loess Prairies
4 Audrain Same Level IV ecoregion, within 10 miles Claypan Prairie
4 Audrain Same Level IV ecoregion, within 10 miles River Hills
4 Gentry Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Harrison Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Henry Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Lafayette Same Level IV ecoregion, within 10 miles Rolling Loess Prairies
4 Lafayette Same Level IV ecoregion, within 10 miles Wooded Osage Plains
4 Lawrence Same Level IV ecoregion, within 10 miles Springfield Plateau
4 Linn Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Nodaway Same Level IV ecoregion, within 10 miles Loess Flats and Till Plains
4 Webster Same Level IV ecoregion, within 10 miles Springfield Plateau
6 Barton Same Level IV ecoregion, within 20 miles Springfield Plateau
6 Barton Same Level IV ecoregion, within 20 miles Cherokee Plains
6 Bates Same Level IV ecoregion, within 20 miles Cherokee Plains
6 Jasper Same Level IV ecoregion, within 20 miles Springfield Plateau
6 Mercer Same Level IV ecoregion, within 20 miles Loess Flats and Till Plains
6 Newton Same Level IV ecoregion, within 20 miles Dissected Springfield Plateau-Elk River Hills
6 Newton Same Level IV ecoregion, within 20 miles Springfield Plateau
7 Atchison Same Level III ecoregion, within 20 miles Western Corn Belt Plains

Linnaean Classification

Kingdom:
Animalia - Animals
Phylum:
Chordata - Chordates
Subphylum:
Vertebrata - Vertebrates
Class:
Reptilia Laurenti, 1768 - Reptiles
Order:
Squamata Oppel, 1811 - Lizards and Snakes
Suborder:
Serpentes Linnaeus, 1758 - Snakes
Family:
Dipsadidae Bonaparte, 1838 - Slender and Robust Rear-fanged Snakes
Genus:
Heterodon Latreille, 1801 - North American Hog-nosed Snakes
Species:
Heterodon platirhinos Latreille, 1801 - Eastern Hog-nosed Snake

Recent Taxonomic Synonyms