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NRLD - 96372 | Reithrodontomys megalotis megalotis

Assessment ID
96372
Taxon name
Reithrodontomys megalotis megalotis
Infrarank
Reithrodontomys megalotis megalotis
Infratype
Subspecies (animalia)
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Reithrodontomys megalotis megalotis
Common name(s)
Western Harvest Mouse megalotis subspecies (English), Souris des moissons de la sous-espèce megalotis (Français)
Assessed taxon level
Subspecies
Infrarank
Reithrodontomys megalotis megalotis
Infratype
Subspecies (animalia)
Higher level taxonomic groupings
Vertebrates
Mammals
Kingdom
Animalia
Phylum
chordata
Class
mammalia
Order
rodentia
Family
muridae
Genus
Reithrodontomys
Species
megalotis megalotis
Species authority
Location and scope
Specific locality or subnational name or regional name
Canada
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Canada
Country ISO code(s)
CAN
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Special Concern; Préoccupante
Criteria system used
Modified IUCN

(see Assessment details)

Assessment rationale/justification
This subspecies has a limited range, and a small extent of occurrence and area of occupancy. However, the extent of occurrence and area of occupancy appear to be constant. Its principal native habitat in the Okanagan as well as old fields is declining. Furthermore, old apple orchards where the mouse has been caught are being converted to vineyards. Dispersal distance is limited and the likelihood of rescue effect is small. Extensive sampling has revealed the occurrence of the mouse at more localities. 63,000 hectares of suitable habitat is protected.; Cette sous-espèce a une aire de répartition limitée, une petite zone d'occurrence et une petite zone d'occupation. Toutefois, sa zone d'occurrence et sa zone d'occupation semblent stables. Son principal habitat naturel dans la région de l'Okanagan, de même que les vieux champs, sont en déclin. De plus, les vieux vergers de pommiers o๠cette souris a déjà été capturée sont convertis en vignobles. La distance de dispersion de cette sous-espèce est limitée, et la probabilité d'une immigration de source externe est petite. Un échantillonnage intensif a révélé l'occurrence de la souris à plus d'un endroit. Une superficie de 63 000 hectares d'habitat convenable à l'espèce est protégée.
Assessment details
Year assessed
2007
Assessors/contributors/reviewers listed
Committee on the Status of Endangered Wildlife in Canada. Environment Canada.
Criteria system used
Modified IUCN
Reference for methods given
COSEWIC- Committee on the Status of Endangered Wildlife in Canada (2007)
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
British Columbia
Is there a map available in assessment?
Not_assigned
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Threats and conservation measures listed
Threats listed in assessment
No information available
History
Designated Special Concern in April 1994 and in April 2007.; Espèce désignée ' préoccupante ' en avril 1994 et en avril 2007.
Publication
COSEWIC. 2007. Canadian Wildlife Species at Risk. Committee on the Status of Endangered Wildlife in Canada. Web site: https://www.canada.ca/en/services/environment/wildlife-plants-species/species-risk.html