CreatureData

Racer

Coluber constrictor Linnaeus, 1758

Status not recordedsnakes

The racer (Coluber constrictor) is a species in the family Colubridae, order Squamata. Recorded adults weigh about 1.59 kg and live up to 10.2 years.

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Quick facts about the racer

Weight
1.59 kgsrc for Weight
Length
up to 1.91 msrc for Length
Lifespan
10.2 yearssrc for Lifespan
Diet
Carnivoresrc for Diet
Longest recorded lifespan
10.3 years
Main food
Not recorded
Habitat
grassland, shrublandsrc for Habitat
Egg incubation
50.5 dayssrc for Egg incubation
Young per litter or clutch
12 – 13.6src for Young per litter or clutch
Age at maturity
13.5 months – 3 yearssrc for Age at maturity
Litters or clutches a year
1src for Litters or clutches a year
Reproduction
Eggssrc for Reproduction
Active
By day (diurnal)src for Active
Lifestyle
Terrestrialsrc for Lifestyle
Brain mass
271 mg – 303 mg (0.0717% of body mass)src for Brain mass
Conservation status
Not recorded
Countries on record
Not recorded

Which animals does the racer eat?

Species recorded in published studies and collections.

Recorded prey of the racer

15 on record

  1. Ring-necked snake Diadophis punctatus5 sources
  2. Garden snake Thamnophis sirtalis22 sources
  3. Southern leopard frog Lithobates sphenocephalus18 sources
  4. Greensnake Opheodrys aestivus8 sources
  5. Green anole Anolis carolinensis6 sources
  6. Six-lined racerunner Aspidoscelis sexlineatus5 sources
  7. Common wormsnake Carphophis amoenus5 sources
  8. Plains garter snake Thamnophis radix5 sources
  9. Fence lizard Sceloporus undulatus4 sources
  10. Brown wax Nerodia fasciata4 sources
  11. Hispid cotton rat Sigmodon hispidus4 sources
  12. Common watersnake Nerodia sipedon3 sources
Show 3 more
  1. Southern five-lined skink Plestiodon inexpectatus3 sources
  2. Sagebrush lizard Sceloporus graciosus3 sources
  3. Blue belly Sceloporus occidentalis3 sources

Each pair is recorded by at least two independent datasets. A record shows the animal was seen or found to have eaten the other, including scavenged carcasses and young animals; it does not say how often. Compiled by Global Biotic Interactions (CC0 1.0).

References for these records
  • COLUBER CONSTRICTOR (North American Racer). PREY SIZE. 2011. Herpetological Review 42(2): 285-285
  • https://www.inaturalist.org/observations/7201491
  • https://www.inaturalist.org/observations/232096398
  • https://www.inaturalist.org/observations/16770981
  • https://www.inaturalist.org/observations/79711714
  • https://www.inaturalist.org/observations/164198310
  • https://www.inaturalist.org/observations/310537136
  • https://www.inaturalist.org/observations/7499943
  • https://www.inaturalist.org/observations/125480829
  • https://www.inaturalist.org/observations/2973492
  • https://www.inaturalist.org/observations/3406468
  • https://www.inaturalist.org/observations/360070048

Where does the racer live?

Not recorded

Is the racer endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the racer classified?

  1. kingdomAnimalia
  2. phylumChordata
  3. classReptilia
  4. orderSquamata
  5. familyColubridae
  6. genusColuber
  7. SpeciesColuber constrictor Linnaeus, 1758

Synonyms Bascanion constrictor, Bascanion vetustus, Bascanium anthicum, Coluber flaviventris, Coluber mormon, Coluber ortenburgeri, Coryphodon oaxaca, Scoliophis atlanticus, Zamenis conirostris, Zamenis constrictor, Zamenis stejnegerianus

Other names and names in other languages (40)
  • Black racerEnglish
  • Eastern black racerEnglish
  • Eastern racerEnglish
  • North American racerEnglish
  • Yellow-bellied racerEnglish
  • راسرة شرقيةArabic
  • ᎤᎦᏑᎯCherokee
  • štíhlovka americkáCzech
  • Nordamerikansk PilsnogDanish
  • SchwarznatterGerman
  • CorredoraSpanish
  • Culebra chirrionera constrictoraSpanish
  • culebra corredora constrictorSpanish
  • Culebra-corredora constrictorSpanish
  • couleuvre agileFrench
  • Colubro neroItalian
  • HardloperDutch
  • GeelbuikslangDutch
  • Corredora-azulPortuguese
  • Cobra-corredoraPortuguese
  • Чёрный полозRussian
  • črni dirkačSlovenian
  • Полоз чорнийUkrainian
  • Tan Racerroot
  • Blackmask Racerroot
  • Blue Racerroot
  • Brownchin Racerroot
  • Buttermilk Racerroot
  • Everglades Racerroot
  • Florida Racerroot
  • Mexican Racerroot
  • Northern Black Racerroot
  • or Midland Racerroot
  • Plains Racerroot
  • Prairie Racerroot
  • Southern Black Racerroot
  • Western Racerroot
  • Western yellow-bellied Racerroot
  • Yellowbelly Racerroot
  • 黑遊蛇Chinese

Catalogue of LifeiNaturalistITISWikidataWoRMS

Relatives of the racer

Other species in the same genus Coluber.

CompareRacer vs Sonoran whipsnakeRacer vs Coluber argesRacer vs Coluber caerulescensRacer vs Coluber cinereus

Common questions

Answered only where our data holds the answer.

How big is the racer?

An adult racer weighs 1.59 kg, according to values recorded on Wikidata.

How long does the racer live?

The racer has a recorded lifespan of 10.2 years.

What kind of animal is the racer?

The racer (Coluber constrictor) belongs to the family Colubridae in the order Squamata.

Which animals does the racer eat?

Animals recorded as prey of the racer include ring-necked snake, garden snake, southern leopard frog and greensnake. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.

Sources and how to cite this page

Data as of 2026-11-14. How this page is put together.

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APA

CreatureData. (2026). Racer (Coluber constrictor). Retrieved from https://creaturedata.com/animals/coluber-constrictor

MLA

“Racer (Coluber constrictor).” CreatureData, 2026, https://creaturedata.com/animals/coluber-constrictor.

BibTeX
@misc{coluber_constrictor_2026,
  title = {Racer (Coluber constrictor)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/coluber-constrictor},
  note = {Data as of 2026-11-14}
}