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Southwestern River Otter
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Booklet data last updated on 4/13/2016
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-  Taxonomy   (section updated on 2/5/2009)  Back to top
Species ID 050555




Predicted Habitat
No USGS Distribution Map
No USGS Range Map

Name Southwestern River Otter
Other Common Names Northern River Otter;Nearctic River Otter;Arizona Otter;Pah-hua-pe'na (tewa)
Category 05 Mammals
Elcode AMAJF08011
BLM Code LUCA
Phylum Chordata
Subphylum Vertebrata
Class Mammalia
Subclass Theria
Order Carnivora
SubOrder Fissipedia
Family Mustelidae
Genus Lontra
Species canadensis
Subspecies sonora
Authority (Schreber)
Scientific Name Lontra canadensis sonora
Account Type This account represents a single subspecies known to occur in New Mexico, but does not represent the entire species. There are one or more additional subspecies accounts relating to this species. There is no full species account.
Taxonomic References 05, 06, 08, 26, 27, 31, 48, 64, 80, 81
Comments on Taxonomy
OTHER.NAMES: Pah-hua-pe'na (tewa) is from the Taos Indians (Bailey, 1931) *80*.

2003 : GEnus changed from Lutra to Lontra (Baker et. al., 2003) *81*.

NEW MEXICO: Lontra candensis is another listing for the river otter *26*.

One subspecies has been reported in New Mexico: Lutra canadensis sonorae (Rhoads). Two subspecies might be expected in the state: L. c. pacifica (Rhoads); and L. c. lataxina F. (Cuvier) *31*.

River otter, Lutra canadensis sonora, Rhoades. This species appears to have been extirpated in the state, although it has been occasionally reported without verification in recent years (southward/eastward dispersal could occur from animals introduced in recent years in Colorado or Arizona).*37* These recent reports, if valid, may not be of the subspecies L.c. sonorae *44*.

ARIZONA: Subspecies recognized in Arizona include L.c. lataxina and L.c. sonora. L.c. lataxina is not Federally listed, so it is in another account 050556. *48*.

COLORADO: BASED ON THE ARRANGEMENT OF HALL (1981), 5 SUBSPECIES OF LUTRA CANADENSIS MAY HAVE HISTORICALLY OCCURRED IN COLORADO; L.C. CANADENSIS, L.C. TEXENSIS, L.C. INTERIOR, L.C. SONORA, AND L.C. NEXA*05*.

+  Legal Status   (section updated on 11/21/2013)  Back to top
+  Species Distribution   (section updated on 3/18/2015)  Back to top
+  Habitat Association   (section updated prior to 6/21/2007)  Back to top
+  Food Habits   (section updated prior to 6/21/2007)  Back to top
+  Environmental Associations   (section updated prior to 6/21/2007)  Back to top
+  Life History   (section updated prior to 6/21/2007)  Back to top
+  Management Practices   (section updated on 4/13/2016)  Back to top
+  References  Back to top
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