Western Yellow-bellied Racer


Western yellow-bellied racer near Trail, BC

The western yellow-bellied racer (Coluber constrictor mormon) is blue listed (at risk) in British Columbia. The racer is the fastest snake in Canada. Contrary to what the species' Latin name, constrictor, suggests, racers do not strangle their prey—they normally catch and swallow small prey alive.

Map

Biodiversity Interactive Map - Western Yellow-Bellied Racer

Range

  • Racers are widespread throughout North America and Central America, from Maine to southern British Columbia and south as far as the Florida Keys and northern Guatemala.
  • Racers occur in the interior of British Columbia including the South Columbia, Kettle, Okanagan, Similkameen, Nicola and Thompson watersheds.
  • Racers are only known from the extreme southwest of the Columbia Basin from the Pend d?Oreille to Trail

Habitat

Yellow-bellied racers frequent a variety of open habitats. In the Columbia Basin these include dry open upland forests, grasslands and shrubby habitats.

Reproduction

  • Females produce a maximum of one clutch of eggs each year, though some breed only once every two years
  • In B.C., mating is in May
  • From four to seven eggs laid in June or July
  • Incubation period can last from 40 days to two months

Listing and Date

Listing Date
B.C. List Blue 2000
COSEWIC SC November 2004
SARA S1

Threats to Species

  • Habitat loss and the expansion of urban areas.
  • Fire suppression and forest encroachment into open habitats.

Select Reports

Full Report Listing (most recent on top):

For more information on this species, visit The Species at Risk Public Registry and /or The BC Species and Ecosystem Explorer where you should enter "racer" in the species Name field.

 

SPECIES

Amphibians
Columbia Spotted Frog
Long-toed Salamander
Northern Leopard Frog
Western Toad

Birds
Common Nighthawk
Great Blue Heron
Harlequin Duck
Lewis’s Woodpecker
Northern Goshawk
Sharp-tailed Grouse
Vaux’s Swift
Western Screech Owl
Yellow Warbler
Yellow-breasted Chat

Fish
Bull Trout
White Sturgeon

Flora
Common Camas
Whitebark Pine

Mammals
Badger
Big Brown Bat
Rocky Mountain Bighorn Sheep
Elk
Grizzly Bear
Selkirk Least Chipmunk
Moose
Mountain Caribou
Mountain Goat
Mule Deer
California Myotis
Fringed Myotis
Little Brown Myotis
Long-eared Myotis
Long-legged Myotis
Northern Myotis
Yuma Myotis
Silver-Haired Myotis
Townsend's Big-eared Bat
White-tailed Deer
Wolverine
Yellow-pine Chipmunk

Reptiles
Western Painted Turtle
Western Yellow-bellied Racer
Western Skink

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