Assessment ID
293462
Taxon name
Orcinus orca
(Linnaeus, 1758)
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Orcinus orca
(Linnaeus, 1758)
Common name(s)
Orca
Assessed taxon level
Species
Higher level taxonomic groupings
Vertebrates
Mammals
Kingdom
Animalia
Phylum
chordata
Class
mammalia
Order
cetacea
Family
delphinidae
Genus
Orcinus
Species
orca
Species authority
(Linnaeus, 1758)
Location and scope
Specific locality or subnational name or regional name
Argentina
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Argentina
Country ISO code(s)
ARG
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Least Concern
Abbreviated status
LC
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2012
Assessors/contributors/reviewers listed
Argentine Society for the Study of Mammals (Sociedad Argentina para el Estudio de los Mamíferos, SAREM)
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, UK. ii+30pp
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Is there a map available in assessment?
Not_assigned
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Publication
Ojeda R., et al. (2012) Libro Rojo de los Mamíferos Amenazados de la Argentina. SAREM (Sociedad Argentina para el Estudio de los Mamíferos)
Assessment ID
293461
Taxon name
Ommatophoca rossii
Gray, 1844
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Ommatophoca rossii
Gray, 1844
Common name(s)
Foca de Ross
Assessed taxon level
Species
Higher level taxonomic groupings
Vertebrates
Mammals
Kingdom
Animalia
Phylum
chordata
Class
mammalia
Order
carnivora
Family
phocidae
Genus
Ommatophoca
Species
rossii
Species authority
Gray, 1844
Location and scope
Specific locality or subnational name or regional name
Argentina
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Argentina
Country ISO code(s)
ARG
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Least Concern
Abbreviated status
LC
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2012
Assessors/contributors/reviewers listed
Argentine Society for the Study of Mammals (Sociedad Argentina para el Estudio de los Mamíferos, SAREM)
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, UK. ii+30pp
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Is there a map available in assessment?
Not_assigned
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Publication
Ojeda R., et al. (2012) Libro Rojo de los Mamíferos Amenazados de la Argentina. SAREM (Sociedad Argentina para el Estudio de los Mamíferos)
Assessment ID
293460
Taxon name
Oligoryzomys nigripes
(Olfers, 1818)
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Oligoryzomys nigripes
(Olfers, 1818)
Common name(s)
Colilargo de bandas anaranjadas
Assessed taxon level
Species
Higher level taxonomic groupings
Vertebrates
Mammals
Kingdom
Animalia
Phylum
chordata
Class
mammalia
Order
rodentia
Family
cricetidae
Genus
Oligoryzomys
Species
nigripes
Species authority
(Olfers, 1818)
Location and scope
Specific locality or subnational name or regional name
Argentina
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Argentina
Country ISO code(s)
ARG
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Least Concern
Abbreviated status
LC
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2012
Assessors/contributors/reviewers listed
Argentine Society for the Study of Mammals (Sociedad Argentina para el Estudio de los Mamíferos, SAREM)
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, UK. ii+30pp
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Is there a map available in assessment?
Not_assigned
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Publication
Ojeda R., et al. (2012) Libro Rojo de los Mamíferos Amenazados de la Argentina. SAREM (Sociedad Argentina para el Estudio de los Mamíferos)
Assessment ID
293459
Taxon name
Oligoryzomys longicaudatus
(Bennett, 1832)
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Oligoryzomys longicaudatus
(Bennett, 1832)
Common name(s)
Colilargo patagónico
Assessed taxon level
Species
Higher level taxonomic groupings
Vertebrates
Mammals
Kingdom
Animalia
Phylum
chordata
Class
mammalia
Order
rodentia
Family
cricetidae
Genus
Oligoryzomys
Species
longicaudatus
Species authority
(Bennett, 1832)
Location and scope
Specific locality or subnational name or regional name
Argentina
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Argentina
Country ISO code(s)
ARG
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Least Concern
Abbreviated status
LC
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2012
Assessors/contributors/reviewers listed
Argentine Society for the Study of Mammals (Sociedad Argentina para el Estudio de los Mamíferos, SAREM)
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, UK. ii+30pp
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Is there a map available in assessment?
Not_assigned
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Publication
Ojeda R., et al. (2012) Libro Rojo de los Mamíferos Amenazados de la Argentina. SAREM (Sociedad Argentina para el Estudio de los Mamíferos)
Assessment ID
293458
Taxon name
Oligoryzomys fornesi
(Massoia, 1973)
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Oligoryzomys fornesi
(Massoia, 1973)
Common name(s)
Colilargo menor
Assessed taxon level
Species
Higher level taxonomic groupings
Vertebrates
Mammals
Kingdom
Animalia
Phylum
chordata
Class
mammalia
Order
rodentia
Family
cricetidae
Genus
Oligoryzomys
Species
fornesi
Species authority
(Massoia, 1973)
Location and scope
Specific locality or subnational name or regional name
Argentina
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Argentina
Country ISO code(s)
ARG
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Least Concern
Abbreviated status
LC
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2012
Assessors/contributors/reviewers listed
Argentine Society for the Study of Mammals (Sociedad Argentina para el Estudio de los Mamíferos, SAREM)
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, UK. ii+30pp
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Is there a map available in assessment?
Not_assigned
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Publication
Ojeda R., et al. (2012) Libro Rojo de los Mamíferos Amenazados de la Argentina. SAREM (Sociedad Argentina para el Estudio de los Mamíferos)
Assessment ID
293457
Taxon name
Oligoryzomys ?avescens
(Waterhouse, 1837)
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Oligoryzomys ?avescens
(Waterhouse, 1837)
Common name(s)
Colilargo chico
Assessed taxon level
Species
Higher level taxonomic groupings
Vertebrates
Mammals
Kingdom
Animalia
Phylum
chordata
Class
mammalia
Order
rodentia
Family
cricetidae
Genus
Oligoryzomys
Species
?avescens
Species authority
(Waterhouse, 1837)
Location and scope
Specific locality or subnational name or regional name
Argentina
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Argentina
Country ISO code(s)
ARG
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Least Concern
Abbreviated status
LC
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2012
Assessors/contributors/reviewers listed
Argentine Society for the Study of Mammals (Sociedad Argentina para el Estudio de los Mamíferos, SAREM)
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, UK. ii+30pp
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Is there a map available in assessment?
Not_assigned
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Publication
Ojeda R., et al. (2012) Libro Rojo de los Mamíferos Amenazados de la Argentina. SAREM (Sociedad Argentina para el Estudio de los Mamíferos)
Assessment ID
293456
Taxon name
Oligoryzomys destructor
(Tschudi, 1844)
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Oligoryzomys destructor
(Tschudi, 1844)
Common name(s)
Colilargo grande
Assessed taxon level
Species
Higher level taxonomic groupings
Vertebrates
Mammals
Kingdom
Animalia
Phylum
chordata
Class
mammalia
Order
rodentia
Family
cricetidae
Genus
Oligoryzomys
Species
destructor
Species authority
(Tschudi, 1844)
Location and scope
Specific locality or subnational name or regional name
Argentina
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Argentina
Country ISO code(s)
ARG
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Not Evaluated
Abbreviated status
NE
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2012
Assessors/contributors/reviewers listed
Argentine Society for the Study of Mammals (Sociedad Argentina para el Estudio de los Mamíferos, SAREM)
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, UK. ii+30pp
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Is there a map available in assessment?
Not_assigned
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Publication
Ojeda R., et al. (2012) Libro Rojo de los Mamíferos Amenazados de la Argentina. SAREM (Sociedad Argentina para el Estudio de los Mamíferos)
Assessment ID
293455
Taxon name
Oligoryzomys chacoensis
(Myers and Carleton, 1981)
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Oligoryzomys chacoensis
(Myers and Carleton, 1981)
Common name(s)
Colilargo chaqueño
Assessed taxon level
Species
Higher level taxonomic groupings
Vertebrates
Mammals
Kingdom
Animalia
Phylum
chordata
Class
mammalia
Order
rodentia
Family
cricetidae
Genus
Oligoryzomys
Species
chacoensis
Species authority
(Myers and Carleton, 1981)
Location and scope
Specific locality or subnational name or regional name
Argentina
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Argentina
Country ISO code(s)
ARG
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Least Concern
Abbreviated status
LC
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2012
Assessors/contributors/reviewers listed
Argentine Society for the Study of Mammals (Sociedad Argentina para el Estudio de los Mamíferos, SAREM)
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, UK. ii+30pp
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Is there a map available in assessment?
Not_assigned
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Publication
Ojeda R., et al. (2012) Libro Rojo de los Mamíferos Amenazados de la Argentina. SAREM (Sociedad Argentina para el Estudio de los Mamíferos)
Assessment ID
293454
Taxon name
Oligoryzomys brendae
Massoia, 1998
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Oligoryzomys brendae
Massoia, 1998
Common name(s)
Colilargo de Brenda
Assessed taxon level
Species
Higher level taxonomic groupings
Vertebrates
Mammals
Kingdom
Animalia
Phylum
chordata
Class
mammalia
Order
rodentia
Family
cricetidae
Genus
Oligoryzomys
Species
brendae
Species authority
Massoia, 1998
Taxonomic notes and synonyms listed
Otaria byronia (de Blainville, 1820) (accepted name)
Location and scope
Specific locality or subnational name or regional name
Argentina
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Argentina
Country ISO code(s)
ARG
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Least Concern
Abbreviated status
LC
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2012
Assessors/contributors/reviewers listed
Argentine Society for the Study of Mammals (Sociedad Argentina para el Estudio de los Mamíferos, SAREM)
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, UK. ii+30pp
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Is there a map available in assessment?
Not_assigned
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Publication
Ojeda R., et al. (2012) Libro Rojo de los Mamíferos Amenazados de la Argentina. SAREM (Sociedad Argentina para el Estudio de los Mamíferos)
Assessment ID
293453
Taxon name
Oecomys sp.
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Oecomys sp.
Common name(s)
Ratón colilargo de los árboles
Assessed taxon level
Species
Higher level taxonomic groupings
Vertebrates
Mammals
Kingdom
Animalia
Phylum
chordata
Class
mammalia
Order
rodentia
Family
cricetidae
Genus
Oecomys
Species
sp.
Species authority
Taxonomic notes and synonyms listed
Oecomys sp.
Location and scope
Specific locality or subnational name or regional name
Argentina
Scope (of the Assessment)
National
Countries included within the scope of the assessment
Argentina
Country ISO code(s)
ARG
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Data Deficient
Abbreviated status
DD
Criteria system used
IUCN

(see Assessment details)

Assessment details
Year assessed
2012
Assessors/contributors/reviewers listed
Argentine Society for the Study of Mammals (Sociedad Argentina para el Estudio de los Mamíferos, SAREM)
Criteria system used
IUCN
Reference for methods given
IUCN (2001) IUCN Red List Categories and Criteria: version 3.1. IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, UK. ii+30pp
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Is there a map available in assessment?
Not_assigned
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Publication
Ojeda R., et al. (2012) Libro Rojo de los Mamíferos Amenazados de la Argentina. SAREM (Sociedad Argentina para el Estudio de los Mamíferos)