Maryland
Snakes in Allegany County
16 species have been documented here, 2 of them venomous.
Venomous snakes in Allegany 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.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Allegany County
Common Garter Snake
Thamnophis sirtalis
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
North American Racer
Coluber constrictor
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Eastern Copperhead
Agkistrodon contortrix
Venomous
Common Wormsnake
Carphophis amoenus
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Smooth Earthsnake
Virginia valeriae
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Common Ribbon Snake
Thamnophis saurita
Harmless
Queensnake
Regina septemvittata
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Allegany County: FAQ
- Are there venomous snakes in Allegany County, Maryland?
- Yes. 2 venomous snake species have verified records in Allegany County, Maryland, including Timber Rattlesnake, Eastern Copperhead. Most snakes in Allegany County, Maryland, however, are harmless.
- How many snake species live in Allegany County, Maryland?
- 10+ snake species have verified records in Allegany County, Maryland, of which 2 are venomous.
- What is the most commonly seen snake in Allegany County, Maryland?
- The Common Garter Snake is the most frequently reported snake in Allegany County, Maryland, based on verified wildlife observations.
- What should I do if I see a venomous snake in Allegany County, Maryland?
- 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.