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Crotaphytus collaris (Say in James, 1822) - Eastern Collared Lizard

Maps

Locality Map

Locality map for Crotaphytus collaris (Eastern Collared Lizard)
Locality map for Crotaphytus collaris (Eastern Collared Lizard).
Map created 15 April 2026.

County Map

County map for Crotaphytus collaris (Eastern Collared Lizard)
County map for Crotaphytus collaris (Eastern Collared Lizard).
Map created 15 April 2026.

Historical Locality Map

Historical locality map for Crotaphytus collaris (Eastern Collared Lizard)
Historical locality map for Crotaphytus collaris (Eastern Collared Lizard). 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 15 April 2026.

Historical County Map

Historical county map for Crotaphytus collaris (Eastern Collared Lizard)
Historical county map for Crotaphytus collaris (Eastern Collared Lizard). 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 15 April 2026.

Ecological Drainage Locality Map

Ecological Drainage Units map for Crotaphytus collaris (Eastern Collared Lizard)
Ecological Drainage Units locality map for Crotaphytus collaris (Eastern Collared Lizard).
Map created 15 April 2026.

Natural Divisions Locality Map

Natural Divisions locality map for Crotaphytus collaris (Eastern Collared Lizard)
Natural Divisions and Sections locality map for Crotaphytus collaris (Eastern Collared Lizard).
Map created 15 April 2026.

Major Watersheds Locality Map

Major watersheds map for Crotaphytus collaris (Eastern Collared Lizard)
Major Watersheds locality map for Crotaphytus collaris (Eastern Collared Lizard).
Map created 15 April 2026.

Level I Ecoregion Locality Map

Level I Ecoregions map for Crotaphytus collaris (Eastern Collared Lizard)
Level I Ecoregion locality map for Crotaphytus collaris (Eastern Collared Lizard).
Map created 15 April 2026.

Level II Ecoregion Locality Map

Level II Ecoregions map for Crotaphytus collaris (Eastern Collared Lizard)
Level II Ecoregion locality map for Crotaphytus collaris (Eastern Collared Lizard).
Map created 15 April 2026.

Level III Ecoregion Locality Map

Level III Ecoregions map for Crotaphytus collaris (Eastern Collared Lizard)
Level III Ecoregion locality map for Crotaphytus collaris (Eastern Collared Lizard).
Map created 15 April 2026.

Level IV Ecoregion Locality Map

Level IV Ecoregions map for Crotaphytus collaris (Eastern Collared Lizard)
Level IV Ecoregion locality map for Crotaphytus collaris (Eastern Collared Lizard).
Map created 15 April 2026.

Native Status

Crotaphytus collaris (Eastern Collared Lizard) is native to Missouri.

Collection Summary

Crotaphytus collaris (Eastern Collared Lizard) has a total of 234 valid, non-duplicated collections representing 29 counties and 119 localities. There are a total of 70 collectors and 116 collection dates for the species. This results in a total of 125 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1892 and its most recent collection year is 2020. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 4 and October 19, respectively. If you have a new record to report, read the New Records section of the FAQ.

Collection Summary by County

Collection summary for Crotaphytus collaris (Eastern Collared Lizard) 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
Barry 10 12 5 9 9 1930 1972
Camden 5 5 4 3 4 1981 2007
Carter 1 1 2 1 1 2005 2005
Christian 3 3 2 3 3 1961 1972
Crawford 1 1 1 1 1 1961 1961
Dent 1 1 5 1 1 2003 2003
Douglas 2 2 4 2 2 1978 2003
Gasconade 1 1 1 1 1 2014 2014
Hickory 1 1 1 1 1 1961 1961
Iron 8 10 9 6 8 1954 2009
Jackson 13 54 5 20 21 1932 1995
Jefferson 9 18 4 9 9 1895 1952
Madison 2 5 2 2 2 1976 1976
Maries 1 1 1 1 1 1985 1985
Miller 6 12 5 6 6 1942 1974
Newton 1 1 1 1 1 2004 2004
Osage 1 1 1 1 1 1984 1984
Ozark 12 23 10 11 11 1902 2007
Perry 2 2 3 2 2 1941 2020
Phelps 2 3 2 2 2 2020 2020
Reynolds 1 1 3 1 1 2009 2009
Sainte Genevieve 1 1 1 1 1 1931 1931
Saint Francois 4 6 6 5 5 1929 2008
Shannon 1 1 1 1 1 2018 2018
Stone 5 9 5 6 6 1892 1957
Taney 18 38 21 21 25 1938 2002
Vernon 1 1 1 1 1 1957 1957
Washington 4 18 7 8 9 1894 1942
Wright 1 1 2 1 1 2003 2003

Potential County Records

Potential counties for Crotaphytus collaris (Eastern Collared Lizard). 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 Callaway Same Level IV ecoregion, within 5 miles River Hills
2 Cape Girardeau Same Level IV ecoregion, within 5 miles River Hills
2 Franklin Same Level IV ecoregion, within 5 miles Central Plateau
2 Howell Same Level IV ecoregion, within 5 miles White River Hills
2 Jasper Same Level IV ecoregion, within 5 miles Springfield Plateau
2 Johnson Same Level IV ecoregion, within 5 miles Wooded Osage Plains
2 Lafayette Same Level IV ecoregion, within 5 miles Wooded Osage Plains
2 Montgomery Same Level IV ecoregion, within 5 miles River Hills
2 Pulaski Same Level IV ecoregion, within 5 miles Central Plateau
2 Saint Louis Same Level IV ecoregion, within 5 miles Eastern Ozark Border
2 Warren Same Level IV ecoregion, within 5 miles River Hills
2 Webster Same Level IV ecoregion, within 5 miles White River Hills
3 Cole Same Level III ecoregion, within 5 miles Ozark Highlands
4 Benton Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Bollinger Same Level IV ecoregion, within 10 miles River Hills
4 Bollinger Same Level IV ecoregion, within 10 miles St. Francois Knobs and Basins
4 Cass Same Level IV ecoregion, within 10 miles Wooded Osage Plains
4 Dallas Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Greene Same Level IV ecoregion, within 10 miles Springfield Plateau
4 Laclede Same Level IV ecoregion, within 10 miles Central Plateau
4 McDonald Same Level IV ecoregion, within 10 miles Springfield Plateau
4 Polk Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Saint Clair Same Level IV ecoregion, within 10 miles Osage/Gasconade Hills
4 Texas Same Level IV ecoregion, within 10 miles White River Hills
4 Wayne Same Level IV ecoregion, within 10 miles St. Francois Knobs and Basins
5 Clay Same Level III ecoregion, within 10 miles Western Corn Belt Plains
6 Barton Same Level IV ecoregion, within 20 miles Cherokee Plains
6 Bates Same Level IV ecoregion, within 20 miles Cherokee Plains
6 Boone Same Level IV ecoregion, within 20 miles River Hills
6 Cedar Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Lawrence Same Level IV ecoregion, within 20 miles Springfield Plateau
6 Morgan Same Level IV ecoregion, within 20 miles Osage/Gasconade Hills
6 Oregon Same Level IV ecoregion, within 20 miles Current River Hills
6 Ray Same Level IV ecoregion, within 20 miles Rolling Loess Prairies
6 Ripley Same Level IV ecoregion, within 20 miles Current River Hills
7 Moniteau Same Level III ecoregion, within 20 miles Ozark Highlands
7 Platte Same Level III ecoregion, within 20 miles Central Irregular Plains
7 Platte Same Level III ecoregion, within 20 miles Western Corn Belt Plains
8 Audrain Same Level IV ecoregion, within 30 miles River Hills
8 Butler Same Level IV ecoregion, within 30 miles Current River Hills
8 Dade Same Level IV ecoregion, within 30 miles Springfield Plateau
8 Henry Same Level IV ecoregion, within 30 miles Osage/Gasconade Hills
8 Henry Same Level IV ecoregion, within 30 miles Wooded Osage Plains
8 Lincoln Same Level IV ecoregion, within 30 miles River Hills
8 Saint Charles Same Level IV ecoregion, within 30 miles River Hills
9 Clinton Same Level III ecoregion, within 30 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
Family:
Crotaphytidae Smith and Brodie, 1982 - Collared and Leopard Lizards
Genus:
Crotaphytus Holbrook, 1842 - Collared Lizards
Species:
Crotaphytus collaris (Say in James, 1822) - Eastern Collared Lizard

Recent Taxonomic Synonyms

(none)