MammalBase - Accepted taxon: Ratufa bicolor

Accepted taxon: Ratufa bicolor
Taxon:	Ratufa bicolor
Rank:	Species
Higher Classification:	RODENTIA \| SCIUROMORPHA \| Sciuridae \| Ratufinae \| Ratufa
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 Ratufa bicolor diet.
CF (Crude Fibre) 20, ASH (Ash contents) 6, NFE (Nitrogen-Free-Extract) 50, CP (Crude Protein) 16, EE (Ether Extract) 8. 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 Ratufa bicolor.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Magnoliopsida	FRUIT	28.57	Smith,A. …
Magnoliopsida	SEED	23.81	Smith,A. …
Magnoliopsida	BARK	19.05	Smith,A. …
Magnoliopsida	LEAF	14.29	Smith,A. …
Insecta	WHOLE	9.52	Smith,A. …
Aves	EGGS	4.76	Smith,A. …

^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 Ratufa bicolor.
Trait	Selected Value	All Value(s)	Reference(s)
Locomotion: Eisenberg 1981	Arboreal	Arboreal	– Christophe Soligo, Robert D. Martin, 2006, 'Adaptive origins of primates revisited', Journal of Human Evolution, vol. 50, no. 4, pp. 414-430, Virginia Hayssen, 2008, 'Patterns of Body and Tail Length and Body Mass in Sciuridae', Journal of Mammalogy, vol. 89, no. 4, pp. 852-873

Table 3. List of Standard Measurements for Ratufa bicolor.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	nan	g	6	6	-	-	-	1,516.66	-	-	Engelman,…
Body Mass (BM)	nan	g	-	-	-	-	1,000	-	3,000	-	Freudenth…
Head-Body Length (HBL)	nan	mm	-	-	-	-	-	372.8	-	-	Engelman,…
Occipital condyle width (OCW)	nan	mm	6	6	-	-	-	17.12	-	-	Engelman,…

Table 4. List of other Measurements ^b. for Ratufa bicolor.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
brainmass	nan	g	-	-	-	-	-	11	-	-	Engelman,…
skull_length	nan	mm	-	-	-	-	-	65	-	-	Engelman,…
humerus diameter	nan	mm	-	-	-	-	-	5	-	-	Nelson, A…

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

Table 5. List of Data Sources for Ratufa bicolor.
Taxon	Reference	Match	Status
Ratufa bicolor	Hayssen,V., 2008, Patterns of body and tail length and body mass in Sciuridae, Journal of mammalogy	1: Exact Taxon match	Verified - Accepted
Ratufa bicolor	Soligo,C., 2006, Adaptive origins of primates revisited, Journal of human evolution	1: Exact Taxon match	Verified - Accepted
Ratufa bicolor	Smith,A. T., 2010, A guide to the mammals of China,	1: Exact Taxon match	Verified - Accepted
Ratufa bicolor	Engelman, R.K., 2022. Occipital condyle width (OCW) is a highly accurate predictor of body mass in therian mammals. BMC biology, 20(1), p.37.	1: Exact Taxon match	Verified - Accepted
Ratufa bicolor	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
Ratufa bicolor	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
Ratufa bicolor	Rowan, J., Beaudrot, L., Franklin, J., Reed, K.E., Smail, I.E., Zamora, A. and Kamilar, J.M., 2020. Geographically divergent evolutionary and ecological legacies shape mammal biodiversity in the global tropics and subtropics. Proceedings of the National Academy of Sciences, 117(3), pp.1559-1565.	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 Ratufa bicolor , Accessed 15th April 2026 at https://mammalbase.net/me/6247]