Login Contact
Glossary Definition
Find a Species Booklet
Find a specific species by name or taxonomic group.
Glossary Definition
Species Report
Run pre-made reports that search based on one or two fields.
Glossary Definition
Database Query
Run custom reports that search on up to eight commonly-used fields.
Glossary Definition
Power Search
Run custom reports that search on any of the BISON-M database fields.
Print Booklet
Disclaimer Policy
American Beaver
Close Window

Booklet data last updated on 6/28/2018
Note: If you have any questions, concerns or updates for this species, please click HERE and let us know.
Tip: Use Ctrl-F on keyboard to search for text in this booklet.
 Check Box to Expand All Sections:         Jump to Section:
-  Taxonomy   (section updated on 5/19/2014)  Back to top
Species ID 050115
Name American Beaver
Other Common Names Beaver;Castor (Hispanic)
Category 05 Mammals
Elcode AMAFE01010
Phylum Chordata
Subphylum Vertebrata
Class Mammalia
Subclass Theria
Order Rodentia
SubOrder Sciurognathi
Family Castoridae
Genus Castor
Species canadensis
Subspecies frondator; mexicanus; concisor; missouriensis; texensis
Authority (Kuhl)
Scientific Name Castor canadensis
Account Type This account represents the entire species, including any and all subspecies recognized in the Southwest. There are no separate subspecies accounts relating to this species.
Taxonomic References 10, 11, 12, 23, 29, 48, 50
Comments on Taxonomy
TYPE LOCALITY Castor canadensis mexicanus Bailey, 1913. Proceedings of the Biological Society of Washington 26:191, 23 October 1913. Holotype: USNM 96522, "Ruidoso Creek, six miles below Ruidoso, [Lincoln County,] New Mexico." (Frey, In Presss Aug. 1996) *55*.

NEW MEXICO: Four subspecies of beaver have been reported in New Mexico: C.c. frondator (Mearns), C.c. mexicanus (V. Bailey), C.c. concisor (Warren and Hall),and C.c. missouriensis (V.Bailey). C.c. texensis (V. Bailey) might be expected, but has not been reported. *29* COLORADO: TAXONOMIC AUTHORITY FOR SUBSPECIES CONCISOR IS WARREN AND HALL (193 *01*.


+  Legal Status   (section updated on 9/1/2009)  Back to top
+  Species Distribution   (section updated on 6/28/2018)  Back to top
+  Habitat Association   (section updated on 10/13/2010)  Back to top
+  Food Habits   (section updated on 12/13/2017)  Back to top
+  Environmental Associations   (section updated prior to 6/21/2007)  Back to top
+  Life History   (section updated on 12/15/2017)  Back to top
+  Management Practices   (section updated on 5/22/2018)  Back to top
+  References  Back to top
Close Window