Desert Nightsnake (Hypsiglena torquata) wildspecies.ca

At Risk

Present in regions

Migratory species: Unknown

Taxonomic group:

Reptiles

Learn more about all species of Reptiles in Canada.

The General Status ranks do not have legal weight. They are meant to identify the species that may be at risk in Canada.

Access other data on this species on the NatureServe Explorer.

Common Names

English common name:

Desert Nightsnake

Source: Society for the Study of Amphibians and Reptiles.

French common name:

Couleuvre des déserts

In French, species in the family Colubridae are named "Couleuvre" (feminine).

Year	English common name	French common name
2000	Night Snake	Couleuvre nocturne
2005	Nightsnake	Couleuvre nocturne
2010	Desert Nightsnake	Couleuvre nocturne
2015	Desert Nightsnake
2020	Desert Nightsnake

Scientific Names

Higher Classification:

Superkingdom

EUKARYOTA

Kingdom

ANIMALIA

Subkingdom

BILATERIA

Infrakingdom

DEUTEROSTOMIA

Phylum

Chordata

Subphylum

Vertebrata

Infraphylum

Gnathostomata

Superclass

Tetrapoda

Class

Reptilia

Year	Scientific name	Family	Order
2000	Hypsiglena torquata	Colubridae	Squamata
2005	Hypsiglena torquata	Colubridae	Squamata
2010	Hypsiglena chlorophaea	Colubridae	Squamata
2015	Hypsiglena chlorophaea	Colubridae	Squamata
2020	Hypsiglena chlorophaea	Colubridae	Squamata

Priority Score

This species is not designated as may be at risk

Trends in rounded national ranks

Year	Rounded National Rank	Description of the change	Reason for change
2000	Critically Imperiled
2005	Critically Imperiled
2010	Critically Imperiled
2015	Critically Imperiled
2020	Imperiled	Reduced level of risk.	New information not reflecting genuine change.

Original Ranks:

Canada
2000	At Risk - 1
2005	At Risk - 1
2010	At Risk - 1
2015	Critically Imperiled - N1
2020	Imperiled - N2

Yukon
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Northwest Territories
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Nunavut
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

British Columbia
2000	At Risk - 1
2005	At Risk - 1
2010	At Risk - 1
2015	Critically Imperiled - S1
2020	Imperiled - S2

Alberta
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Saskatchewan
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Manitoba
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Ontario
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Quebec
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

New Brunswick
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Nova Scotia
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Prince Edward Island
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Newfoundland and Labrador
2000	Not Present
2005	Not Present
2010	Not Present
2015
2020

Labrador
2000
2005
2010
2015	Not Present
2020	Not Present

Newfoundland
2000
2005
2010
2015	Not Present
2020	Not Present

Pacific Ocean
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Western Arctic Ocean
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Eastern Arctic Ocean
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Atlantic Ocean
2000	Not Present
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present