MammalBase - Accepted taxon: Oryzomys alfaroi

Accepted taxon: Oryzomys alfaroi
Taxon:	Oryzomys alfaroi
Rank:	Species
Higher Classification:	RODENTIA \| MYOMORPHA \| Muroidea \| Cricetidae \| Sigmodontinae \| Oryzomys
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 Oryzomys alfaroi diet.
CF (Crude Fibre) 11, ASH (Ash contents) 4, NFE (Nitrogen-Free-Extract) 57, CP (Crude Protein) 19, 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 Oryzomys alfaroi.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Magnoliopsida	FRUIT	50.00	Damuth, J…
Magnoliopsida	SEED	33.33	Damuth, J…
Insecta	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 Oryzomys alfaroi.
Trait	Selected Value	All Value(s)	Reference(s)
Hypsodonty	1 = brachydont	1 = brachydont	– ALEXANDRE R. PERCEQUILLO, MARCELO WEKSLER, LEONORA P. COSTA, 2011, 'A new genus and species of rodent from the Brazilian Atlantic Forest (Rodentia: Cricetidae: Sigmodontinae: Oryzomyini), with comments on oryzomyine biogeography', Zoological Journal of the Linnean Society, vol. 161, no. 2, pp. 357-390
Temporal habits	nocturnal	nocturnal	– Rodrigo A. Medellin, 1994, 'Mammal Diversity and Conservation in the Selva Lacandona, Chiapas, Mexico', Conservation Biology, vol. 8, no. 3, pp. 780-799
Locomotion: Eisenberg 1981	Terrestrial	Terrestrial	– Rodrigo A. Medellin, 1994, 'Mammal Diversity and Conservation in the Selva Lacandona, Chiapas, Mexico', Conservation Biology, vol. 8, no. 3, pp. 780-799
Dietary category: Eisenberg 1981	Frugivore-Granivore	Frugivore-Granivore	– Rodrigo A. Medellin, 1994, 'Mammal Diversity and Conservation in the Selva Lacandona, Chiapas, Mexico', Conservation Biology, vol. 8, no. 3, pp. 780-799
Dietary category: Miljutin 2009	Frugivore	Frugivore	– Rodrigo A. Medellin, 1994, 'Mammal Diversity and Conservation in the Selva Lacandona, Chiapas, Mexico', Conservation Biology, vol. 8, no. 3, pp. 780-799

Table 3. List of Standard Measurements for Oryzomys alfaroi.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	nan	g	-	-	-	-	22	-	87	-	Freudenth…

Table 4. List of other Measurements ^b. for Oryzomys alfaroi.
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 Oryzomys alfaroi.
Taxon	Reference	Match	Status
Handleyomys alfaroi	PERCEQUILLO,A. R., 2011, A new genus and species of rodent from the Brazilian Atlantic Forest (Rodentia: Cricetidae: Sigmodontinae: Oryzomyini), with comments on oryzomyine biogeography, Zoological Journal of the Linnean Society	52: Genus, Species = Master subfamily genus, species	Verified - Accepted
Oryzomys alfaroi	MedellÃƒÂn,R. A., 1994, Mammal diversity and conservation in the Selva Lacandona, Chiapas, Mexico, Conservation Biology	1: Exact Taxon match	Verified - Accepted
Oryzomys alfaroi	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
Oryzomys alfaroi	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 Oryzomys alfaroi , Accessed 15th April 2026 at https://mammalbase.net/me/8838]