Racer
Coluber constrictor
A slender, fast-moving, sharp-eyed snake known for its speed and alert temperament.
- Venomous?
- Non-venomous
- Adult length
- 1.0-1.8 m (3-6 ft)
- Range
- United States, southern Canada, and Mexico
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Overview
The racer is a widespread and highly variable species, with subspecies ranging from solid black to blue-gray, olive, or tan depending on region. It is one of the fastest snakes in North America relative to its size.
Racers are diurnal, active hunters that rely on speed and keen eyesight rather than constriction to subdue prey, despite the scientific name.
How to identify it
- Slender build with smooth scales
- Solid coloration in adults: black, blue-gray, olive, or brown depending on subspecies
- Large eyes with round pupils
- Juveniles patterned with blotches that fade with age
- Pale underside, often cream or yellow
Habitat & range
Occupies open woodlands, grasslands, fields, and forest edges across its wide range. Found from lowlands to moderate elevations, often in sunny, open areas.
Behavior, diet & reproduction
Strictly diurnal and highly active, foraging with head raised to scan surroundings. Preys on insects, small mammals, birds, and other reptiles. Does not constrict prey, instead pinning it with body weight. Lays eggs. Flees rapidly when threatened but may bite if cornered.
Frequently asked questions
Is the racer venomous?
No, it is non-venomous.
Does it really constrict its prey despite the name?
No, it typically pins prey with its body rather than true constriction.
How fast can it move?
It is one of the quickest snakes in North America, able to flee rapidly across open ground.
What color is it?
Highly variable by subspecies, ranging from solid black to blue-gray, olive, or tan.
Racer guides
In-depth guides for identifying and understanding Racer.
