Like all colubrids, however, they are nonvenomous and harmless to humans. This status appraisal summary was overseen and edited by Ronald J. The remaining colubrid species, eastern milk snakes (Lampropeltis triangulum triangulum), are often misidentified as eastern Massasauga rattlesnake because of their rattling tails and blotchy scales. COSEWIC would like to acknowledge Scott Gillingwater for writing the status appraisal summary on the Blue Racer Coluber constrictor foxii in Canada, prepared under contract with Environment Canada. Colubrids in the Elaphe group are the largest snakes in Michigan, including the black rat snake (Elaphe obsoleta obsoleta) and two species of fox snake (Elaphe valpina and Elaphe gloydi). Michigan species and subspecies include the blue racer (Coluber constrictor foxi), Kirtland's snake (Clonophis kirtlandii), the ring-necked snake (Diadophis punctatus edwardii), the queen snake (Regina septemnittata), the eastern hog-nosed snake (Heterodon platirhinos), the red-bellied snake (Storeria occipitomaculata occipitomaculata) and the smooth green snake (Liochlorophis vernalis). Blue racer snakes' range covers all of the lower peninsula of Michigan as well as the most southern tip of the upper peninsula down through northern Indiana, Illinois, into parts of Minnesota, Wisconsin, and Iowa, and the most southern tip of Ontario, Canada on Pelee Island in Lake Erie. The minimum age at maturity was 11 months in. All species are nonvenomous they kill their prey by constriction. Status: The northern black racer (Coluber constrictor constrictor) and the blue racer (Coluber constrictor foxii) live in the East and the Upper Midwest. PDF The racer, Coluber constrictor foxii, was studied over a six-year period in southeastern Michigan. Adults are black or bluish/black with white or whitish markings on the chin and throat. This is a long and slender snake with large and prominent eyes. The Northern Black Racer (Coluber constrictor constric- tor, Linnaeus 1758) is a subspecies of the North. Threatened (T): The species is vulnerable to becoming endangered within the near future.Įndangered (E): The species is in danger of extinction throughout all or a significant portion of its range.All other Michigan snake species are members of the Colubrinae subfamily of colubrid snakes. Most adult North American Racers are about 20-56 inches (50-142 cm) in total length. ing their population health and local ecology. These species could become endangered, threatened, or extirpated in the foreseeable future due to restricted distribution, low or declining numbers, specialized habitat needs or limits, or other factors. Special Concern (SC): Any species that does not meet the criteria for being endangered or threatened but that is particularly vulnerable. All species listed as special concern, threatened, or endangered are also considered SGCN. Committee on the Status of Endangered Wildlife in Canada. County: Mason County Time: 12:30:00 Quantity: 1 Sex: Unknown Habitat: woods Date created: May 21st, 2022 Date modified: May 21st, 2022 General. Update COSEWIC status report on the blue racer Coluber constrictor foxii in Canada, in COSEWIC assessment and update status report the blue racer Coluber constrictor foxii in Canada. Though not currently rare, they are declining in abundance and usually experiencing threats to their habitats or other resources. Conservation Status: Greatest Conservation Need Entered by: Michael OHerron Record 31058 Details. Species of Greatest Conservation Need (SGCN): The species has low and/or declining populations and needs conservation action. Continued monitoring is necessary to track trends and declines. In the spirit of cooperation of the Accord, the Government of Ontario has given permission to the Government of Canada to adopt the Recovery Strategy for the Blue Racer (Colouber constrictor foxii) in Ontario(Part 2) and the Blue Racer, Lake Erie Watersnake and Small-mouthed Salamander and Unisexual Ambystoma (Small-mouthed Salamander dependent. Least Concern (LC): The species is found across a large geographic region of the state and is considered relatively abundant.
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