MammalBase - Accepted taxon: Spermophilus brunneus

Accepted taxon: Spermophilus brunneus
Taxon:	Spermophilus brunneus
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 brunneus diet.
CF (Crude Fibre) 17, ASH (Ash contents) 7, NFE (Nitrogen-Free-Extract) 54, CP (Crude Protein) 16, EE (Ether Extract) 5. 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 brunneus.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Magnoliopsida	LEAF	25.00	Grzimek,B…
Magnoliopsida	FLOWER	21.43	Grzimek,B…
Lilianae	ROOT	17.86	Grzimek,B…
Poaceae	STEM	14.29	Grzimek,B…
Magnoliopsida	SEED	10.71	Grzimek,B…
Arthropoda	WHOLE	7.14	Grzimek,B…
Fungi	SHOOT	3.57	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 brunneus.
Trait	Selected Value	All Value(s)	Reference(s)
Locomotion: Eisenberg 1981	Terrestrial	Terrestrial	Virginia …

Table 3. List of Standard Measurements for Spermophilus brunneus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	nan	g	-	-	-	-	109	-	300	-	Freudenth…

Table 4. List of other Measurements ^b. for Spermophilus brunneus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)

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

Table 5. List of Data Sources for Spermophilus brunneus.
Taxon	Reference	Match	Status
Spermophilus brunneus	Hayssen,V., 2008, Patterns of body and tail length and body mass in Sciuridae, Journal of mammalogy	1: Exact Taxon match	Verified - Accepted
Spermophilus brunneus	Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V,	1: Exact Taxon match	Verified - Accepted
Spermophilus brunneus	Freudenthal, M. and Martín-Suárez, E., 2013. Estimating body mass of fossil rodents. Scripta Geologica, 145, pp.1-513.	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 brunneus , Accessed 9th May 2025 at https://mammalbase.net/me/7154]