Florida
Snakes in Union County
18 species have been documented here, 4 of them venomous.
Venomous snakes in Union County
Full guide & what to do if bitten →
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Florida CottonmouthAgkistrodon conantiVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Pygmy RattlesnakeSistrurus miliariusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Eastern Diamondback RattlesnakeCrotalus adamanteusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Union County
Timber Rattlesnake
Crotalus horridus
Venomous
Banded Watersnake
Nerodia fasciata
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
North American Racer
Coluber constrictor
Harmless
Eastern Ratsnake
Pantherophis alleghaniensis
Harmless
Florida Cottonmouth
Agkistrodon conanti
Venomous
Common Garter Snake
Thamnophis sirtalis
Harmless
Pygmy Rattlesnake
Sistrurus miliarius
Venomous
Mudsnake
Farancia abacura
Harmless
Common Ribbon Snake
Thamnophis saurita
Harmless
Scarletsnake
Cemophora coccinea
Harmless
Florida Crowned Snake
Tantilla relicta
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Eastern Diamondback Rattlesnake
Crotalus adamanteus
Venomous
Florida Green Watersnake
Nerodia floridana
Harmless
Pine Woods Littersnake
Rhadinaea flavilata
Harmless
Glossy Swampsnake
Liodytes rigida
Harmless
Striped Swampsnake
Liodytes alleni
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Union County: FAQ
- Are there venomous snakes in Union County, Florida?
- Yes. 4 venomous snake species have verified records in Union County, Florida, including Timber Rattlesnake, Florida Cottonmouth, Pygmy Rattlesnake, Eastern Diamondback Rattlesnake. Most snakes in Union County, Florida, however, are harmless.
- How many snake species live in Union County, Florida?
- 10+ snake species have verified records in Union County, Florida, of which 4 are venomous.
- What is the most commonly seen snake in Union County, Florida?
- The Timber Rattlesnake is the most frequently reported snake in Union County, Florida, based on verified wildlife observations.
- What should I do if I see a venomous snake in Union County, Florida?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.