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Callaway County, Missouri

Maps

Landmark Map

Landmark locality map for Callaway County, Missouri
Landmark locality map for Callaway County, Missouri
Map created 15 April 2026.

Interstate HighwayRailroadUS Army Corps of Engineers
US HighwayDepartment of ConservationUS Fish and Wildlife Service
State HighwayDepartment of Natural ResourcesNational Park Service
County HighwayUS Forest ServiceUS Department of Defense

Locator Map

Locator map for Callaway County, Missouri
Locator map for Callaway County, Missouri
Map created 15 April 2026.

Natural Divisions Locality Map

Natural divisions and sections locality map for Callaway County, Missouri
Natural Divisions locality map for Callaway County, Missouri
Map created 15 April 2026.

Ecological Drainage Unit Locality Map

Ecological drainage unit locality map for Callaway County, Missouri
Ecological Drainage Units locality map for Callaway County, Missouri
Map created 15 April 2026.

Major Watersheds Locality Map

Major watersheds locality map for Callaway County, Missouri
Major Watersheds locality map for Callaway County, Missouri
Map created 15 April 2026.

Major Rivers Locality Map

Major rivers locality map for Callaway County, Missouri
Major Rivers locality map for Callaway County, Missouri
Map created 15 April 2026.

Level I Ecoregion Locality Map

Level I Ecoregion locality map for Callaway County, Missouri
Level I Ecoregion locality map for Callaway County, Missouri
Map created 15 April 2026.

Level II Ecoregion Locality Map

Level II Ecoregion locality map for Callaway County, Missouri
Level II Ecoregion locality map for Callaway County, Missouri
Map created 15 April 2026.

Level III Ecoregion Locality Map

Level III Ecoregion locality map for Callaway County, Missouri
Level III Ecoregion locality map for Callaway County, Missouri
Map created 15 April 2026.

Level IV Ecoregion Locality Map

Level IV Ecoregion locality map for Callaway County, Missouri
Level IV Ecoregion locality map for Callaway County, Missouri
Map created 15 April 2026.

Presettlement Prairie Locality Map

Presettlement prairie locality map for Callaway County, Missouri
Presettlement Prairie locality map for Callaway County, Missouri
Map created 15 April 2026.

Historical Vegetation Map

Historical vegetation map for Callaway County, Missouri
Historical Vegetation map for Callaway County, Missouri
Map created 15 April 2026.

WaterPrairieBarrens / Scrub
ForestWoodlandOpen Woodland

Geology Locality Map

Geology locality map for Callaway County, Missouri
Geology locality map for Callaway County, Missouri
Map created 15 April 2026.

AlluviumSandstoneDolomiteLimestone
ClaySandstone / LimestoneDolomite / LimestoneLimestone / Sandstone
IgneousSandstone / DolomiteDolomite / ShaleLimestone / Shale
Limestone / Sandstone / Shale

Species List

Salamanders (Caudata)

Frogs (Anura)

Lizards (Squamata, "Lizards")

Snakes (Squamata, "Snakes")

Turtles (Testudines)

Collection Summary

Callaway County has a total of 302 valid, non-duplicated collections representing 52 species and 162 localities. There are a total of 48 collectors and 127 collection dates for the county. This results in a total of 139 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1909 and its most recent collection year is 2025. The earliest and latest collection dates (independent of earliest and most recent collection years) are February 12 and November 9, respectively. If you have a new record to report for Callaway County, read the New Records section of the FAQ.

Collection Summary by Species

Collection summary for Callaway County by species. Some values are unavailable since some records are represented solely by historical literature reports, which sometimes lack complete collecting data. Click on a species or common name to view more information about that species. Click on column headings to sort by that column.
Species Common Name Localities Collections Collectors Dates Expeditions Earliest Year Latest Year
Acris blanchardi Blanchard's Cricket Frog 2 2 3 2 2 1940 2013
Agkistrodon contortrix Eastern Copperhead 3 3 3 3 3 1981 2024
Ambystoma maculatum Spotted Salamander 3 3 3 3 3 1999 2011
Ambystoma opacum Marbled Salamander 1 1 2 1 1 1995 1995
Ambystoma texanum Small-mouthed Salamander 10 27 11 9 10 1948 2013
Anaxyrus americanus American Toad 6 8 3 4 4 1975 1998
Anaxyrus cognatus Great Plains Toad 4 18 2 7 7 1969 1975
Anaxyrus fowleri Fowler's Toad 3 4 3 3 3 1998 2005
Anaxyrus woodhousii Rocky Mountain Toad 2 2 1 1 1 1998 1998
Apalone spinifera Northern Spiny Softshell 3 4 2 3 3 2000 2023
Carphophis vermis Western Wormsnake 2 2 4 2 2 2005 2020
Chelydra serpentina North American Snapping Turtle 8 8 3 7 7 1988 2022
Chrysemys picta Western Painted Turtle 6 6 4 6 6 1909 2020
Coluber constrictor North American Racer 8 8 1 7 7 1998 2023
Crotalus horridus Timber Rattlesnake 2 2 2 2 2 1999 1999
Diadophis punctatus Ring-necked Snake 5 5 4 4 4 2002 2020
Dryophytes versicolor Gray Treefrog 1 1 1 1 1 2015 2015
Eurycea longicauda Long-tailed Salamander 1 1 1 1 1 2011 2011
Gastrophryne carolinensis Eastern Narrow-mouthed Toad 3 3 7 3 3 1975 2020
Gastrophryne olivacea Western Narrow-mouthed Toad 1 2 1 1 1 1969 1969
Graptemys pseudogeographica False Map Turtle 2 2 1 1 1 1999 1999
Heterodon platirhinos Eastern Hog-nosed Snake 5 5 1 5 5 1997 2024
Lampropeltis calligaster Prairie Kingsnake 6 6 2 5 5 1970 2025
Lampropeltis holbrooki Speckled Kingsnake 8 8 4 8 8 1976 2020
Lampropeltis triangulum Eastern Milksnake 3 3 4 3 3 2003 2017
Lithobates areolatus Northern Crawfish Frog 7 16 8 11 12 1945 2001
Lithobates blairi Plains Leopard Frog 2 4 2 3 3 1994 1998
Lithobates catesbeianus North American Bullfrog 5 5 4 5 5 1941 2018
Lithobates clamitans North American Green Frog 3 3 3 2 2 2000 2020
Lithobates palustris Pickerel Frog 4 4 5 4 4 1940 2000
Lithobates sphenocephalus Coastal Plains Leopard Frog 4 6 3 4 4 1965 2001
Nerodia sipedon Common Watersnake 3 3 4 3 3 1929 2018
Notophthalmus viridescens Central Newt 3 4 2 2 2 1975 2016
Opheodrys aestivus Northern Rough Greensnake 6 6 3 5 5 1998 2020
Ophisaurus attenuatus Western Slender Glass Lizard 5 5 4 4 4 1982 2018
Pantherophis obsoletus Western Ratsnake 3 3 1 3 3 1998 2023
Plestiodon fasciatus Common Five-lined Skink 2 2 4 2 2 1999 2005
Plestiodon laticeps Broad-headed Skink 1 1 1 1 1 1975 1975
Plethodon albagula Western Slimy Salamander 3 10 3 3 3 1975 2011
Pseudacris crucifer Spring Peeper 2 2 2 2 2 1975 2002
Pseudacris maculata Boreal Chorus Frog 3 13 4 3 3 1969 1984
Sceloporus consobrinus Prairie Lizard 3 3 1 3 3 2000 2025
Scincella lateralis Little Brown Skink 2 2 2 2 2 1999 2020
Spea bombifrons Plains Spadefoot 8 40 4 7 9 1969 2013
Storeria dekayi DeKay's Brownsnake 3 3 4 3 3 1995 2018
Storeria occipitomaculata Red-bellied Snake 4 4 6 4 4 2001 2024
Terrapene ornata Ornate Box Turtle 1 1 1 1 1 1998 1998
Terrapene triunguis Three-toed Box Turtle 14 14 7 13 13 1938 2025
Thamnophis proximus Orange-striped Ribbonsnake 6 6 5 6 6 1999 2024
Thamnophis sirtalis Common Gartersnake 3 4 1 3 3 2000 2018
Trachemys scripta Red-eared Slider 1 2 2 1 1 2000 2000
Virginia valeriae Western Smooth Earthsnake 1 1 1 1 1 1999 1999

Potential Species Records

Potential species for Callaway County. Species are listed in descending order of their likelihood of occurrence within the county. Click on a species or common name to view more information about that species. Click on column headings to sort by that column.
Likelihood Species Common Name Rationale Ecoregion / Watershed
2 Crotaphytus collaris Eastern Collared Lizard Same Level IV ecoregion, within 5 miles River Hills
2 Graptemys geographica Northern Map Turtle Same watershed, within 5 miles Lower Missouri-Moreau
2 Graptemys geographica Northern Map Turtle Same watershed, within 5 miles Lower Missouri
2 Lithobates sylvaticus Wood Frog Same Level IV ecoregion, within 5 miles River Hills
2 Macrochelys temminckii Western Alligator Snapping Turtle Same watershed, within 5 miles Lower Missouri-Moreau
2 Masticophis flagellum Eastern Coachwhip Same Level IV ecoregion, within 5 miles Claypan Prairie
2 Plestiodon anthracinus Southern Coal Skink Same Level IV ecoregion, within 5 miles River Hills
2 Sistrurus tergeminus Prairie Massasauga Same Level IV ecoregion, within 5 miles Claypan Prairie
2 Tantilla gracilis Flat-headed Snake Same Level IV ecoregion, within 5 miles River Hills
4 Ambystoma annulatum Ringed Salamander Same Level IV ecoregion, within 10 miles River Hills
4 Apalone mutica Midland Smooth Softshell Same watershed, within 10 miles Lower Missouri-Moreau
4 Aspidoscelis sexlineatus Prairie Racerunner Same Level IV ecoregion, within 10 miles River Hills
4 Opheodrys vernalis Smooth Greensnake Same Level IV ecoregion, within 10 miles Claypan Prairie
4 Pantherophis emoryi Great Plains Ratsnake Same Level IV ecoregion, within 10 miles River Hills
4 Pantherophis emoryi Great Plains Ratsnake Same Level IV ecoregion, within 10 miles Claypan Prairie
4 Pituophis catenifer Bullsnake Same Level IV ecoregion, within 10 miles Claypan Prairie
4 Thamnophis radix Plains Gartersnake Same Level IV ecoregion, within 10 miles Claypan Prairie
6 Dryophytes chrysoscelis Cope's Gray Treefrog Same Level IV ecoregion, within 20 miles River Hills
6 Hemidactylium scutatum Four-toed Salamander Same Level IV ecoregion, within 20 miles River Hills
6 Virginia striatula Rough Earthsnake Same Level IV ecoregion, within 20 miles River Hills
8 Necturus maculosus Mudpuppy Same watershed, within 30 miles Lower Missouri
8 Pseudemys concinna Eastern River Cooter Same watershed, within 30 miles Lower Missouri-Moreau
10 Ambystoma tigrinum Eastern Tiger Salamander Same Level IV ecoregion, adjacent county River Hills
10 Ambystoma tigrinum Eastern Tiger Salamander Same Level IV ecoregion, adjacent county Claypan Prairie
10 Plethodon serratus Southern Red-backed Salamander Same Level IV ecoregion, adjacent county River Hills

Checklist

All MOHAP publications are released in portable document format (PDF), an ISO standard. You must download and install a reader (click icon below) to view these documents. A state checklist, including all counties, is available on the publications page.