Reptile · GBIF taxon 6161776
North American Racer
Coluber constrictorAlso known as Eastern Racer, Black Racer, Blue Racer, Yellow-bellied Racer
North American racers are swift, highly active daylight hunters that rely on keen vision to spot prey across open fields, meadows, and forest edges. When threatened, these slender snakes vibrate their tails in dry leaves to mimic rattlesnakes and quickly flee into thick brush at remarkable speeds. Juveniles feature striking blotched patterns that fade into uniform shades of black, blue, green, or tan as they mature.
FastDiurnalAgile
—observations
—countries
—peak records
Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & prey
- Rodents
- Lizards
- Frogs
Predators
- Hawks
- Owls
- Coyotes
ThreatsRoad mortality, habitat loss, human persecution
HabitatsFields, open woodlands, prairies, brushy pastures, coastal dunes
Life span10–15 years
Size / weightNot available
Classification
- FamilyColubridae
- GenusColuber
- SpeciesColuber constrictor
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Non-venomous but will bite defensively if cornered or handled; observe from a polite distance.
- Why it is dangerous
- Capable of delivering multiple quick, painful bites and releasing foul musk if picked up, though completely non-venomous.
- How to recognize a risky encounter
- Look for a slender, smooth-scaled body with large eyes, a white chin, and uniform adult coloration.
- What to do
- Give the snake a clear retreat path and refrain from pinning or grabbing it.
Responsible observation
- Maintain Distance: Give the snake space to retreat, as cornered racers strike repeatedly.
- Observe Visual Cues: Watch for its raised head and tail vibration, which signal it feels threatened.
- Avoid Handling: Keep hands clear to prevent quick defensive bites and foul-smelling musk.
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