Species List
Salamanders (Caudata)
- Cryptobranchus alleganiensis (Daudin, 1803) - Hellbender
- Ambystoma annulatum Cope, 1886 - Ringed Salamander
- Ambystoma maculatum (Shaw, 1802) - Spotted Salamander
- Ambystoma opacum (Gravenhorst, 1807) - Marbled Salamander
- Notophthalmus viridescens (Rafinesque, 1820) - Central Newt
- Necturus maculosus (Rafinesque, 1818) - Mudpuppy
- Eurycea longicauda (Green, 1818) - Long-tailed Salamander
- Eurycea lucifuga Rafinesque, 1822 - Cave Salamander
- Eurycea spelaea Stejneger, 1892 - Grotto Salamander
- Plethodon albagula Grobman, 1944 - Western Slimy Salamander
- Plethodon serratus Grobman, 1944 - Southern Red-backed Salamander
Frogs (Anura)
- Anaxyrus americanus (Holbrook, 1836) - American Toad
- Anaxyrus fowleri (Hinckley, 1882) - Fowler's Toad
- Acris blanchardi Harper, 1947 - Blanchard's Cricket Frog
- Hyla chrysoscelis Cope, 1880 - Cope's Gray Treefrog
- Pseudacris crucifer (Wied-Neuwied, 1838) - Spring Peeper
- Pseudacris feriarum (Baird, 1854) - Upland Chorus Frog
- Lithobates catesbeianus (Shaw, 1802) - American Bullfrog
- Lithobates clamitans (Latreille, 1801) - Green Frog
- Lithobates palustris (LeConte, 1825) - Pickerel Frog
- Lithobates sphenocephalus (Cope, 1886) - Southern Leopard Frog
- Gastrophryne carolinensis (Holbrook, 1835) - Eastern Narrow-mouthed Toad
Lizards (Lacertilia)
- Sceloporus consobrinus Baird and Girard, 1853 - Prairie Lizard
- Plestiodon anthracinus (Baird, 1850) - Southern Coal Skink
- Plestiodon fasciatus (Linnaeus, 1758) - Common Five-lined Skink
- Scincella lateralis (Say in James, 1823) - Little Brown Skink
- Ophisaurus attenuatus Cope, 1880 - Western Slender Glass Lizard
Snakes (Serpentes)
- Carphophis vermis (Kennicott, 1859) - Western Wormsnake
- Coluber constrictor Linnaeus, 1758 - North American Racer
- Coluber flagellum Shaw, 1802 - Eastern Coachwhip
- Diadophis punctatus (Linnaeus, 1766) - Ring-necked Snake
- Haldea striatula (Linnaeus, 1766) - Rough Earthsnake
- Heterodon platirhinos Latreille, 1801 - Eastern Hog-nosed Snake
- Lampropeltis calligaster (Harlan, 1827) - Prairie Kingsnake
- Lampropeltis holbrooki Stejneger, 1903 - Speckled Kingsnake
- Lampropeltis triangulum (Lacépède, 1789) - Eastern Milksnake
- Nerodia erythrogaster (Forster, 1771) - Plain-bellied Watersnake
- Nerodia sipedon (Linnaeus, 1758) - Common Watersnake
- Opheodrys aestivus (Linnaeus, 1766) - Northern Rough Greensnake
- Pantherophis obsoletus (Say, 1823) - Western Ratsnake
- Storeria dekayi (Holbrook, 1836) - DeKay's Brownsnake
- Storeria occipitomaculata (Storer, 1839) - Northern Red-bellied Snake
- Tantilla gracilis Baird and Girard, 1853 - Flat-headed Snake
- Thamnophis sirtalis (Linnaeus, 1758) - Common Gartersnake
- Agkistrodon contortrix (Linnaeus, 1766) - Copperhead
- Agkistrodon piscivorus (Lacépède, 1789) - Western Cottonmouth
- Sistrurus miliarius (Linnaeus, 1766) - Western Pygmy Rattlesnake
Turtles (Testudines)
- Chelydra serpentina (Linnaeus, 1758) - Snapping Turtle
- Macrochelys temminckii (Harlan, 1835) - Alligator Snapping Turtle
- Sternotherus odoratus (Latreille in Sonnini and Latreille, 1801) - Eastern Musk Turtle
- Chrysemys picta (Schneider, 1783) - Western Painted Turtle
- Graptemys geographica (LeSueur, 1817) - Northern Map Turtle
- Pseudemys concinna (LeConte, 1830) - River Cooter
- Terrapene carolina (Linnaeus, 1758) - Three-toed Box Turtle
- Trachemys scripta (Schoepff, 1792) - Red-eared Slider
Collection Summary
Oregon County has a total of 336 valid, non-duplicated collections representing 55 species and 82 localities. There are a total of 52 collectors and 76 collection dates for the county. This results in a total of 84 expeditions for the county, a measure of unique date / collector(s) combinations. The county's earliest collection year is 1892 and its most recent collection year is 2017. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 17 and October 23, respectively. If you have a new record to report for Oregon County, read the New Records section of the FAQ.
Collection Summary by Species
Potential Species Records
Likelihood | Species | Common Name | Rationale | Ecoregion / Watershed | |
---|---|---|---|---|---|
![]() | 2 | Apalone spinifera | Eastern Spiny Softshell | Same watershed, within 5 miles | Current |
![]() | 2 | Thamnophis proximus | Orange-striped Ribbonsnake | Same Level IV ecoregion, within 5 miles | Current River Hills |
![]() | 4 | Aspidoscelis sexlineata | Six-lined Racerunner | Same Level IV ecoregion, within 10 miles | Current River Hills |
![]() | 4 | Crotalus horridus | Timber Rattlesnake | Same Level IV ecoregion, within 10 miles | Current River Hills |
![]() | 4 | Hyla cinerea | Green Treefrog | Same Level IV ecoregion, within 10 miles | Central Plateau |
![]() | 4 | Kinosternon subrubrum | Mississippi Mud Turtle | Same Level IV ecoregion, within 10 miles | Current River Hills |
![]() | 4 | Lithobates sylvaticus | Wood Frog | Same Level IV ecoregion, within 10 miles | Current River Hills |
![]() | 4 | Pantherophis emoryi | Great Plains Ratsnake | Same Level IV ecoregion, within 10 miles | Current River Hills |
![]() | 4 | Plestiodon laticeps | Broad-headed Skink | Same Level IV ecoregion, within 10 miles | Current River Hills |
![]() | 6 | Ambystoma tigrinum | Eastern Tiger Salamander | Same Level IV ecoregion, within 20 miles | Central Plateau |
![]() | 6 | Crotaphytus collaris | Eastern Collared Lizard | Same Level IV ecoregion, within 20 miles | Current River Hills |
![]() | 6 | Graptemys ouachitensis | Ouachita Map Turtle | Same watershed, within 20 miles | Current |
![]() | 6 | Graptemys pseudogeographica | False Map Turtle | Same watershed, within 20 miles | Current |
![]() | 6 | Hemidactylium scutatum | Four-toed Salamander | Same Level IV ecoregion, within 20 miles | Current River Hills |
![]() | 6 | Hyla versicolor | Gray Treefrog | Same Level IV ecoregion, within 20 miles | Central Plateau |
![]() | 6 | Siren intermedia | Western Lesser Siren | Same watershed, within 20 miles | Spring |
![]() | 6 | Virginia valeriae | Western Smooth Earthsnake | Same Level IV ecoregion, within 20 miles | Current River Hills |
![]() | 8 | Amphiuma tridactylum | Three-toed Amphiuma | Same watershed, within 30 miles | Current |
![]() | 8 | Eurycea tynerensis | Oklahoma Salamander | Same Level IV ecoregion, within 30 miles | Central Plateau |
![]() | 9 | Plethodon angusticlavius | Ozark Zigzag Salamander | Same Level III ecoregion, within 30 miles | Ozark Highlands |
![]() | 9 | Pseudacris fouquettei | Cajun Chorus Frog | Same Level III ecoregion, within 30 miles | Ozark Highlands |
![]() | 10 | Ambystoma texanum | Small-mouthed Salamander | Same Level IV ecoregion, adjacent county | Central Plateau |
![]() | 10 | Terrapene ornata | Ornate Box Turtle | Same Level IV ecoregion, adjacent county | Central Plateau |
![]() | 11 | Ambystoma talpoideum | Mole Salamander | Same Level III ecoregion, adjacent county | Ozark Highlands |
![]() | 11 | Nerodia fasciata | Broad-banded Watersnake | Same Level III ecoregion, adjacent county | Ozark Highlands |
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.
Daniel, R.E., B.S. Edmond, and J.T. Briggler. 2020. Checklist of Oregon County Missouri Amphibians and Reptiles for 2019. <http://atlas.moherp.org/county/Oregon>
Daniel, R.E., B.S. Edmond, and J.T. Briggler. 2020. Checklist of Oregon County Missouri Amphibians and Reptiles for 2019. <http://atlas.moherp.org/county/Oregon> (with common names)