MammalBase - Accepted taxon: Ammospermophilus leucurus

Accepted taxon: Ammospermophilus leucurus
Taxon:	Ammospermophilus leucurus
Rank:	Species
Higher Classification:	RODENTIA \| SCIUROMORPHA \| Sciuridae \| Xerinae \| Marmotini \| Ammospermophilus
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 Ammospermophilus leucurus diet.
CF (Crude Fibre) 9, ASH (Ash contents) 5, NFE (Nitrogen-Free-Extract) 33, CP (Crude Protein) 41, EE (Ether Extract) 12. 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 Ammospermophilus leucurus.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Magnoliopsida	SEED	50.00	Damuth, J…
Insecta	WHOLE	33.33	Damuth, J…
Vertebrata	WHOLE	16.67	Damuth, J…

^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 Ammospermophilus leucurus.
Trait	Selected Value	All Value(s)	Reference(s)
Locomotion: Eisenberg 1981	Semifossorial	Semifossorial, Terrestrial	– Joshua X. Samuels, Blaire Van Valkenburgh, 2008, 'Skeletal indicators of locomotor adaptations in living and extinct rodents', Journal of Morphology, vol. 269, no. 11, pp. 1387-1411, Joshua X. Samuels, Blaire Van Valkenburgh, 2008, 'Skeletal indicators of locomotor adaptations in living and extinct rodents', Journal of Morphology, vol. 269, no. 11, pp. 1387-1411, Virginia Hayssen, 2008, 'Patterns of Body and Tail Length and Body Mass in Sciuridae', Journal of Mammalogy, vol. 89, no. 4, pp. 852-873
Dietary category: Miljutin 2009	Frugivore	Frugivore, Herbivore	– JOSHUA X. SAMUELS, 2009, 'Cranial morphology and dietary habits of rodents', Zoological Journal of the Linnean Society, vol. 156, no. 4, pp. 864-888
Dietary category: Eisenberg 1981	Herbivore-Browser	Herbivore-Browser	–

Table 3. List of Standard Measurements for Ammospermophilus leucurus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	nan	g	-	-	-	-	75	-	156	-	Freudenth…

Table 4. List of other Measurements ^b. for Ammospermophilus leucurus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
BMR (kJ/h)	nan	kJ/h	-	-	-	-	-	2	-	-	McNab, B.…
humerus diameter	nan	mm	-	-	-	-	-	2	-	-	Nelson, A…
BMR,mlO2/h	nan	mlO2/h	3	3	-	-	-	98	-	-	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 Ammospermophilus leucurus.
Taxon	Reference	Match	Status
Ammospermophilus leucurus	Hayssen,V., 2008, Patterns of body and tail length and body mass in Sciuridae, Journal of mammalogy	1: Exact Taxon match	Verified - Accepted
Ammospermophilus leucurus	SAMUELS,J. X., 2009, Cranial morphology and dietary habits of rodents, Zoological Journal of the Linnean Society	1: Exact Taxon match	Verified - Accepted
Ammospermophilus leucurus	Samuels,J. X., 2008, Skeletal indicators of locomotor adaptations in living and extinct rodents, Journal of Morphology	1: Exact Taxon match	Verified - Accepted
Ammospermophilus leucurus	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
Ammospermophilus leucurus	Samuels, Joshua X., and Blaire Van Valkenburgh. Ã¢â‚¬Å“Skeletal Indicators of Locomotor Adaptations in Living and Extinct Rodents.Ã¢â‚¬Â J. Morphol. 269, no. 11 (November 2008): 1387Ã¢â‚¬â€œ1411. doi:10.1002/jmor.10662.	1: Exact Taxon match	Verified - Accepted
Ammospermophilus leucurus	Reid,F., 2006, Peterson field guide to mammals of North America,	1: Exact Taxon match	Verified - Accepted
Ammospermophilus leucurus	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
Ammospermophilus leucurus	McNab, B.K., 2008. An analysis of the factors that influence the level and scaling of mammalian BMR. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 151(1), pp.5-28.	1: Exact Taxon match	Verified - Accepted
Ammospermophilus leucurus	Nelson, A., Engelman, R.K. and Croft, D.A., 2023. How to weigh a fossil mammal? South American notoungulates as a case study for estimating body mass in extinct clades. Journal of Mammalian Evolution, 30(3), pp.773-809.	1: Exact Taxon match	Verified - Accepted
Ammospermophilus leucurus	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
Ammospermophilus leucurus	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 2026. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Ammospermophilus leucurus , Accessed 24th June 2026 at https://mammalbase.net/me/7060]