Venomous snakes in Delaware

How to recognize them
Copperhead Agkistrodon contortrix
- Copper to tan body with dark hourglass bands: wide on the sides, narrow on the spine
- Plain coppery head with no pattern
- Young snakes have a bright yellow-green tail tip
Every venomous snake species known from the US is on this site.
Counties with records
- None recorded
- 1 species
- 2
- 3 to 4
- 5 or more
Active months
Harmless snakes people mistake for them
- Copperhead vs Northern Water Snake Northern water snake: harmless
- Copperhead vs Rat Snake Rat snake: harmless
- Copperhead vs Hognose Snake Eastern hognose snake: harmless
Water snakeHarmlessHarmless
Northern water snakeHarmlessHarmless
Eastern hognose snakeHarmlessHarmless
Rat snakeHarmlessHarmless
Quick answers
Questions
How many venomous snakes are in Delaware?
1 species live in the state: Copperhead.
Which venomous snakes in Delaware are dangerous?
Copperhead: bites or stings need medical care.
Which harmless snakes get mistaken for venomous ones in Delaware?
Northern water snake, Rat snake and Eastern hognose snake. See the side-by-side comparisons below.
