Snakes and spiders in Brazos County, Texas
Brazos County, home of Boonville, has 23 snake and 44 spider species on record, from 1,054 licensed snake and 382 spider records. Venomous species here: the eastern copperhead, the Texas coral snake, the timber rattlesnake, the northern cottonmouth, the brown widow and the southern black widow.
Are there venomous snakes or spiders in Brazos County?
Yes. The eastern copperhead: 116 licensed records, 10% of all Texas records of it. The Texas coral snake: 39 licensed records, 7% of all Texas records of it. The timber rattlesnake: 27 licensed records, 14% of all Texas records of it. The northern cottonmouth: 15 licensed records, 1% of all Texas records of it. The brown widow: 4 licensed records, 4% of all Texas records of it. The southern black widow: 1 licensed record, 0% of all Texas records of it.
What snakes are in Brazos County?
In all, 23 snake species are on the Brazos County list. The most recorded are the eastern copperhead (116), the western rat snake (114) and the rough earthsnake (112).
| # | Species | Records | Share of Texas records |
|---|---|---|---|
| 1 | Eastern copperhead venomous Agkistrodon contortrix | 116 | 10% |
| 2 | Western rat snake Pantherophis obsoletus | 114 | 6% |
| 3 | Rough earthsnake Haldea striatula | 112 | 8% |
| 4 | Diamondback water snake Nerodia rhombifer | 90 | 6% |
| 5 | DeKay's brown snake Storeria dekayi | 71 | 7% |
| 6 | Plain-bellied watersnake Nerodia erythrogaster | 57 | 3% |
| 7 | Western ribbon snake Thamnophis proximus | 54 | 2% |
| 8 | Southern watersnake Nerodia fasciata | 49 | 6% |
| 9 | Eastern hog-nosed snake Heterodon platirhinos | 48 | 11% |
| 10 | Texas coral snake venomous Micrurus tener | 39 | 7% |
| 11 | Rough greensnake Opheodrys aestivus | 38 | 4% |
| 12 | Coachwhip Masticophis flagellum | 34 | 2% |
| 13 | Timber rattlesnake venomous Crotalus horridus | 27 | 14% |
| 14 | Eastern milksnake Lampropeltis triangulum | 22 | 15% |
| 15 | Graham's crayfish snake Regina grahamii | 22 | 11% |
| 16 | Speckled kingsnake Lampropeltis holbrooki | 18 | 11% |
| 17 | Prairie kingsnake Lampropeltis calligaster | 17 | 7% |
| 18 | Corn snake Pantherophis guttatus | 16 | 8% |
| 19 | Central plains milksnake Lampropeltis gentilis | 15 | 23% |
| 20 | Northern cottonmouth venomous Agkistrodon piscivorus | 15 | 1% |
| 21 | Eastern racer Coluber constrictor | 13 | 2% |
| 22 | Flathead snake Tantilla gracilis | 11 | 1% |
| 23 | Slowinski's cornsnake Pantherophis slowinskii | 1 | 11% |
When are snakes out in Brazos County?
Observation records of snakes in Brazos County run mostly March through November, peaking in April with 27% of them, the same peak as Texas as a whole.
What spiders are in Brazos County?
In all, 44 spider species are on the Brazos County list. The most recorded are the bold jumper (39), the black-and-yellow argiope (38) and the rabid wolf spider (36).
| # | Species | Records | Share of Texas records |
|---|---|---|---|
| 1 | Bold jumper Phidippus audax | 39 | 3% |
| 2 | Black-and-yellow argiope Argiope aurantia | 38 | 2% |
| 3 | Rabid wolf spider Rabidosa rabida | 36 | 3% |
| 4 | Spiny-backed orbweaver Gasteracantha cancriformis | 36 | 5% |
| 5 | Twin-flagged jumping spider Anasaitis canosa | 19 | 3% |
| 6 | Wetland giant wolf spider Tigrosa helluo | 17 | 18% |
| 7 | Familiar jumping spider Platycryptus undatus | 15 | 3% |
| 8 | Green lynx spider Peucetia viridans | 15 | 2% |
| 9 | Pantropical jumper Plexippus paykulli | 10 | 3% |
| 10 | Triangulate bud spider Steatoda triangulosa | 9 | 2% |
| 11 | Spotted orbweaver Neoscona crucifera | 8 | 2% |
| 12 | Leucauge argyrobapta | 7 | 3% |
| 13 | Cribellate spider Metaltella simoni | 6 | 3% |
| 14 | Gray wall jumper Menemerus bivittatus | 6 | 2% |
| 15 | Lance wolf spider Schizocosa avida | 6 | 4% |
| 16 | Tigrosa annexa | 6 | 2% |
| 17 | Nursery web spider Pisaurina mira | 5 | 1% |
| 18 | Brown widow venomous introduced Latrodectus geometricus | 4 | 4% |
| 19 | Common Hentz jumping spider Hentzia palmarum | 4 | 2% |
| 20 | Messua limbata | 4 | 4% |
| 21 | Striped lynx spider Oxyopes salticus | 4 | 1% |
| 22 | Cyclosa turbinata | 3 | 4% |
| 23 | Dotted wolf spider Rabidosa punctulata | 3 | 3% |
| 24 | Georgia wolf spider Tigrosa georgicola | 3 | 2% |
| 25 | Lined orbweaver Mangora gibberosa | 3 | 3% |
| 26 | Magnolia green jumper Lyssomanes viridis | 3 | 5% |
| 27 | Parson spider Herpyllus ecclesiasticus | 3 | 8% |
| 28 | Peppered jumper Pelegrina galathea | 3 | 2% |
| 29 | Araneus detrimentosus | 2 | 3% |
| 30 | Box spider Crossopriza lyoni | 2 | 3% |
| 31 | Cardinal jumper Phidippus cardinalis | 2 | 2% |
| 32 | Whitebanded crab spider Misumenoides formosipes | 2 | 2% |
| 33 | Bronze jumper Eris militaris | 1 | 0% |
| 34 | Deadly ground crab spider Xysticus funestus | 1 | 2% |
| 35 | Falconina gracilis | 1 | 1% |
| 36 | Putnam's jumper Phidippus putnami | 1 | 2% |
| 37 | Sixspotted fishing spider Dolomedes triton | 1 | 0% |
| 38 | Southern black widow venomous Latrodectus mactans | 1 | 0% |
| 39 | Giant lichen orbweaver Araneus bicentenarius | — | — |
| 40 | Habronattus coecatus | — | — |
| 41 | Hogna antelucana | — | — |
| 42 | Neoantistea agilis | — | — |
| 43 | Scytodes univittata | — | — |
| 44 | White-banded fishing spider Dolomedes albineus | — | — |
When are spiders out in Brazos County?
Observation records of spiders in Brazos County run mostly April through November, peaking in October with 17% of them; across Texas the peak is April.
What stands out in Brazos County
Species for which Brazos County holds a large share of all Texas records: the central plains milksnake, 23% (15 of 65); the wetland giant wolf spider, 18% (17 of 94).
Common in Texas, not on the Brazos County list
Among the snakes most recorded across Texas, these do not reach the county list: the western diamondback rattlesnake (2,667 statewide), the western ground snake (1,963 statewide), the checkered garter snake (1,851 statewide) and the gopher snake (1,440 statewide). Few records here can mean the species is rare in the county, or that few people have looked.
Among the spiders most recorded across Texas, these do not reach the county list: Cicurina varians (514 statewide) and the western spotted orbweaver (465 statewide). Few records here can mean the species is rare in the county, or that few people have looked.
Harmless lookalikes in Brazos County
Copperheads are on the county list, and so are harmless species often taken for them: the plain-bellied watersnake, the eastern hog-nosed snake, the eastern milksnake and the corn snake. Cottonmouths are on the county list, and so are harmless species often taken for them: the diamondback water snake, the plain-bellied watersnake and the southern watersnake. Rattlesnakes are on the county list, and so are harmless species often taken for them: the eastern hog-nosed snake. Coral snakes are on the county list, and so are harmless species often taken for them: the eastern milksnake and the central plains milksnake. Widow spiders are on the county list, and so are harmless species often taken for them: the triangulate bud spider.
Brazos County among Texas counties
By licensed snake records Brazos County ranks 4th of 254 Texas counties with any.
Other Texas counties with their own page: Travis County, Brewster County, Harris County, El Paso County, Jeff Davis County, Val Verde County, Bexar County and Hudspeth County.
The whole state: venomous species in Texas, all snakes, all spiders.
GBIF records read 2026-09-29. Listed: any license. Counted: CC0/CC BY only. How we count.