MammalBase - Accepted taxon: Spermophilus richardsonii

Accepted taxon: Spermophilus richardsonii
Taxon:	Spermophilus richardsonii
Rank:	Species
Higher Classification:	RODENTIA \| SCIUROMORPHA \| Sciuridae \| Xerinae \| Marmotini \| Spermophilus \| Spermophilus
Reference:	Wilson, Don E., and DeeAnn M. Reeder, eds. Mammal Species of the World. A Taxonomic and Geographic Reference (3rd ed), JHU Press, 2005.

Fig.1 - Ternary plot of the proximate analysis for the Spermophilus richardsonii diet.
CF (Crude Fibre) 16, ASH (Ash contents) 10, NFE (Nitrogen-Free-Extract) 37, CP (Crude Protein) 30, EE (Ether Extract) 6. See details for the calculations in Lintulaakso, K., Tatti, N. and Žliobaitė, I., 2022. Quantifying mammalian diets. Mammalian Biology, pp.1-15. [DOI]

Table 1. List of Diet Items for Spermophilus richardsonii.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Magnoliopsida	SHOOT	44.44	Damuth, J…
Vertebrata	WHOLE	22.22	Damuth, J…
Magnoliopsida	LEAF	11.11	Grzimek,B…
Magnoliopsida	FLOWER	8.89	Grzimek,B…
Magnoliopsida	SEED	6.67	Grzimek,B…
Arthropoda	WHOLE	4.44	Grzimek,B…
Vertebrata	CARRION	2.22	Grzimek,B…

^a. Standardized values. See details for the calculations in Lintulaakso, K., Tatti, N. and Žliobaitė, I., 2022. Quantifying mammalian diets. Mammalian Biology, pp.1-15. [DOI]

Table 2. List of Standard Traits for Spermophilus richardsonii.
Trait	Selected Value	All Value(s)	Reference(s)
Dietary category: Miljutin 2009	Herbivore	Herbivore	JOSHUA X.…
Locomotion: Eisenberg 1981	Terrestrial	Terrestrial	Virginia …

Table 3. List of Standard Measurements for Spermophilus richardsonii.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)

Table 4. List of other Measurements ^b. for Spermophilus richardsonii.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
BMR,mlO2/h	nan	mlO2/h	10	10	-	-	-	130	-	-	Genoud, M…

^b. other Measurements. Source Measurements which are not listed on or mapped with the Standard Traits..

Table 5. List of Data Sources for Spermophilus richardsonii.
Taxon	Reference	Match	Status
Spermophilus richardsonii	Hayssen,V., 2008, Patterns of body and tail length and body mass in Sciuridae, Journal of mammalogy	1: Exact Taxon match	Verified - Accepted
Spermophilus richardsoni	SAMUELS,J. X., 2009, Cranial morphology and dietary habits of rodents, Zoological Journal of the Linnean Society	51: Name variant or misspelling of the taxon	Verified - Accepted
Spermophilus richardsonii	Damuth, J. 2010. ABSOLUT 6 a mammalian database compiled by the national center for ecological analysis and synthesis (NCEAS ) workshop on mammalian communities.	1: Exact Taxon match	Verified - Accepted
Citellus richardsoni	Reid,F., 2006, Peterson field guide to mammals of North America,	150: Genus synonym, same species epithet	Verified - Accepted
Spermophilus richardsonii	Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V,	1: Exact Taxon match	Verified - Accepted
Spermophilus richardsonii	DeMers, A.C., 2023. Functional Significance of the Mandible, Tooth Roots, and Tooth Crowns, and their Implications for Fossil Dietary Inference (Doctoral dissertation, The Ohio State University).	1: Exact Taxon match	Verified - Accepted
Spermophilus richardsonii	Genoud, M., Isler, K. and Martin, R.D., 2018. Comparative analyses of basal rate of metabolism in mammals: data selection does matter. Biological Reviews, 93(1), pp.404-438.	1: Exact Taxon match	Verified - Accepted

Citation for this page: [The MammalBase community 2025. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Spermophilus richardsonii , Accessed 9th May 2025 at https://mammalbase.net/me/7220]