MammalBase - Accepted taxon: Tragelaphus spekii

Accepted taxon: Tragelaphus spekii
Taxon:	Tragelaphus spekii
Rank:	Species
Higher Classification:	ARTIODACTYLA \| Bovidae \| Bovinae \| Tragelaphus
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 Tragelaphus spekii diet.
CF (Crude Fibre) 26, ASH (Ash contents) 10, NFE (Nitrogen-Free-Extract) 48, CP (Crude Protein) 14, EE (Ether Extract) 2. 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 Tragelaphus spekii.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Phragmites	STEM	45.00	Damuth, J…
Cyperaceae	LEAF	31.67	Damuth, J…
Magnoliopsida	LEAF	10.00	Damuth, J…
Poaceae	STEM	8.33	Nowak,R. …
Magnoliopsida	FRUIT	5.00	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 Tragelaphus spekii.
Trait	Selected Value	All Value(s)	Reference(s)
Dietary category: Miljutin 2009	Herbivore	Herbivore	– I. J. Gordon, A. W. Illius, 1988, 'Incisor Arcade Structure and Diet Selection in Ruminants', Functional Ecology, vol. 2, no. 1, p. 15, Loison,A., 1999, What factors shape sexual size dimorphism in ungulates?, Evolutionary Ecology Research, M. Clauss, R. R. Hofmann, W. J. Streich, J. Fickel, J. Hummel, 2009, 'Convergence in the macroscopic anatomy of the reticulum in wild ruminant species of different feeding types and a new resulting hypothesis on reticular function', Journal of Zoology, vol. 281, no. 1, pp. 26-38, M. Mendoza, P. Palmqvist, 2008, 'Hypsodonty in ungulates: an adaptation for grass consumption or for foraging in open habitat?', Journal of Zoology, vol. 274, no. 2, pp. 134-142, Marcus Clauss, Matthias Lechner-Doll, Juergen Streich, 2002, 'Faecal particle size distribution in captive wild ruminants: an approach to the browser/grazer dichotomy from the other end', Oecologia, vol. 131, no. 3, pp. 343-349
Dietary category: Eisenberg 1981	Herbivore-Mixed feeder	Herbivore-Browser, Herbivore-Mixed feeder	– I. J. Gordon, A. W. Illius, 1988, 'Incisor Arcade Structure and Diet Selection in Ruminants', Functional Ecology, vol. 2, no. 1, p. 15, Loison,A., 1999, What factors shape sexual size dimorphism in ungulates?, Evolutionary Ecology Research, M. Clauss, R. R. Hofmann, W. J. Streich, J. Fickel, J. Hummel, 2009, 'Convergence in the macroscopic anatomy of the reticulum in wild ruminant species of different feeding types and a new resulting hypothesis on reticular function', Journal of Zoology, vol. 281, no. 1, pp. 26-38, M. Mendoza, P. Palmqvist, 2008, 'Hypsodonty in ungulates: an adaptation for grass consumption or for foraging in open habitat?', Journal of Zoology, vol. 274, no. 2, pp. 134-142, Marcus Clauss, Matthias Lechner-Doll, Juergen Streich, 2002, 'Faecal particle size distribution in captive wild ruminants: an approach to the browser/grazer dichotomy from the other end', Oecologia, vol. 131, no. 3, pp. 343-349

Table 3. List of Standard Measurements for Tragelaphus spekii.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	nan	g	1	1	-	-	-	95,740	-	-	Engelman,…
Body Mass (BM)	nan	g	-	-	-	-	-	88,510	-	-	Wimberly,…
Body Mass (BM)	nan	g	1	1	-	-	-	95,740	-	-	Engelman,…

Table 4. List of other Measurements ^b. for Tragelaphus spekii.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Length of the Masseteric Fossa	nan	cm	7	7	-	-	-	12	-	-	Quibod, M…
Muzzle Width	nan	cm	7	7	-	-	-	4	-	-	Quibod, M…
Total Length of the Skull	nan	cm	7	7	-	-	-	28	-	-	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 Tragelaphus spekii.
Taxon	Reference	Match	Status
Tragelaphus spekii	Clauss,M., 2010, Convergence in the macroscopic anatomy of the reticulum in wild ruminant species of different feeding types and a new resulting hypothesis on reticular function, Journal of zoology	1: Exact Taxon match	Verified - Accepted
Tragelaphus spekei	Gordon,IJ, 1988, Incisor arcade structure and diet selection in ruminants, Functional Ecology	51: Name variant or misspelling of the taxon	Verified - Accepted
Tragelaphus spekei	Loison,A., 1999, What factors shape sexual size dimorphism in ungulates?, Evolutionary Ecology Research	51: Name variant or misspelling of the taxon	Verified - Accepted
Tragelaphus spekei	Clauss,M., 2002, Faecal particle size distribution in captive wild ruminants: an approach to the browser/grazer dichotomy from the other end, Oecologia	51: Name variant or misspelling of the taxon	Verified - Accepted
Tragelaphus spekei	Mendoza,M., 2008, Hypsodonty in ungulates: an adaptation for grass consumption or for foraging in open habitat?, Journal of zoology	51: Name variant or misspelling of the taxon	Verified - Accepted
Tragelaphus spekei	Damuth, J. 2010. ABSOLUT 6 a mammalian database compiled by the national center for ecological analysis and synthesis (NCEAS ) workshop on mammalian communities.	51: Name variant or misspelling of the taxon	Verified - Accepted
Tragelaphus spekei	Nowak,R. M., 1991, Walker's mammals of the world,	51: Name variant or misspelling of the taxon	Verified - Accepted
Tragelaphus spekei	Nowak,R. M., 1991, Walker's mammals of the world,	51: Name variant or misspelling of the taxon	Verified - Accepted
Tragelaphus spekii	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
Tragelaphus spekii	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
Tragelaphus spekii	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
Tragelaphus spekii	Wimberly, A.N., 2023. Predicting body mass in Ruminantia using postcranial measurements. Journal of Morphology, 284(10), p.e21636.	1: Exact Taxon match	Verified - Accepted
Tragelaphus spekii	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
Tragelaphus spekii	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 Tragelaphus spekii , Accessed 16th April 2026 at https://mammalbase.net/me/16032]