MammalBase - Accepted taxon: Oreamnos americanus

Accepted taxon: Oreamnos americanus
Taxon:	Oreamnos americanus
Rank:	Species
Higher Classification:	ARTIODACTYLA \| Bovidae \| Caprinae \| Oreamnos
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 Oreamnos americanus diet.
CF (Crude Fibre) 24, ASH (Ash contents) 10, NFE (Nitrogen-Free-Extract) 47, CP (Crude Protein) 15, EE (Ether Extract) 4. 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 Oreamnos americanus.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Magnoliopsida	SHOOT	40.24	Damuth, J…
Poaceae	STEM	22.62	Damuth, J…
Bryophyta	SHOOT	16.90	Damuth, J…
Ascomycota	SHOOT	12.38	Damuth, J…
Magnoliopsida	STEM	6.67	Damuth, J…
Magnoliopsida	LEAF	1.19	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 Oreamnos americanus.
Trait	Selected Value	All Value(s)	Reference(s)
Dietary category: Eisenberg 1981	Herbivore-Mixed feeder	Herbivore-Grazer,Herbivore-Mixed feeder	A. Myster…
Dietary category: Miljutin 2009	Herbivore	Herbivore	A. Myster…

Table 3. List of Standard Measurements for Oreamnos americanus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	nan	g	3	3	-	-	-	46,568.8	-	-	Engelman,…
Body Mass (BM)	nan	g	3	3	-	-	-	46,568.8	-	-	Engelman,…

Table 4. List of other Measurements ^b. for Oreamnos americanus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Length of the Masseteric Fossa	nan	cm	5	5	-	-	-	13	-	-	Quibod, M…
Muzzle Width	nan	cm	5	5	-	-	-	3	-	-	Quibod, M…
Total Length of the Skull	nan	cm	5	5	-	-	-	31	-	-	Quibod, M…

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

Table 5. List of Data Sources for Oreamnos americanus.
Taxon	Reference	Match	Status
Oreamnos americanus	Mysterud,Atle, 2000, The Relationship between Ecological Segregation and Sexual Body Size Dimorphism in Large Herbivores, Oecologia	1: Exact Taxon match	Verified - Accepted
Oreamus americanus	Gordon,IJ, 1988, Incisor arcade structure and diet selection in ruminants, Functional Ecology	51: Name variant or misspelling of the taxon	Verified - Accepted
Oreamnos americanus	Loison,A., 1999, What factors shape sexual size dimorphism in ungulates?, Evolutionary Ecology Research	1: Exact Taxon match	Verified - Accepted
Oreamnos americanus	Clauss,M., 2002, Faecal particle size distribution in captive wild ruminants: an approach to the browser/grazer dichotomy from the other end, Oecologia	1: Exact Taxon match	Verified - Accepted
Oreamnos americanus	Mendoza,M., 2008, Hypsodonty in ungulates: an adaptation for grass consumption or for foraging in open habitat?, Journal of zoology	1: Exact Taxon match	Verified - Accepted
Oreamnos americanus	McNab,B. K., 1986, The influence of food habits on the energetics of eutherian mammals, Ecological Monographs	1: Exact Taxon match	Verified - Accepted
Oreamnos americanus	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
Oreamnos americanus	Reid,F., 2006, Peterson field guide to mammals of North America,	1: Exact Taxon match	Verified - Accepted
Oreamnos americanus	Nowak,R. M., 1991, Walker's mammals of the world,	1: Exact Taxon match	Verified - Accepted
Oreamnos americanus	Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V,	1: Exact Taxon match	Verified - Accepted
Oreamnos americanus	Nowak,R. M., 1991, Walker's mammals of the world,	1: Exact Taxon match	Verified - Accepted
Oreamnos americanus	Herberstein, M.E., McLean, D.J., Lowe, E., Wolff, J.O., Khan, M.K., Smith, K., Allen, A.P., Bulbert, M., Buzatto, B.A., Eldridge, M.D. and Falster, D., 2022. AnimalTraits-a curated animal trait database for body mass, metabolic rate and brain size. Scientific Data, 9(1), p.265.	1: Exact Taxon match	Verified - Accepted
Oreamnos americanus	Quibod, M.N.R.M., Gélin, U., van Langevelde, F. and Tomlinson, K.W., 2023. Diet-specific responses of skull traits to aridity gradients in bovids and cervids. Zoological Journal of the Linnean Society, p.zlad068.	1: Exact Taxon match	Verified - Accepted
Oreamnos americanus	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
Oreamnos americanus	Lundgren, E.J., Schowanek, S.D., Rowan, J., Middleton, O., Pedersen, R.Ø., Wallach, A.D., Ramp, D., Davis, M., Sandom, C.J. and Svenning, J.C., 2021. Functional traits of the world’s late Quaternary large-bodied avian and mammalian herbivores. Scientific data, 8(1), p.17.	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 Oreamnos americanus , Accessed 4th May 2025 at https://mammalbase.net/me/16095]