MammalBase - Accepted taxon: Tapirus bairdii

Accepted taxon: Tapirus bairdii
Taxon:	Tapirus bairdii
Rank:	Species
Higher Classification:	PERISSODACTYLA \| Tapiridae \| Tapirus
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 Tapirus bairdii diet.
CF (Crude Fibre) 22, ASH (Ash contents) 10, NFE (Nitrogen-Free-Extract) 55, CP (Crude Protein) 11, EE (Ether Extract) 3. 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 Tapirus bairdii.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Magnoliopsida	SHOOT	60.00	Damuth, J…
Magnoliopsida	FRUIT	26.67	Damuth, J…
Poaceae	STEM	13.33	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 Tapirus bairdii.
Trait	Selected Value	All Value(s)	Reference(s)
Temporal habits	diurnal	diurnal	– 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-Herbivore	Frugivore-Herbivore, Herbivore-Browser, Herbivore-Mixed feeder	– Abraham, J.O., Upham, N.S., Damian-Serrano, A. and Jesmer, B.R., 2022. Evolutionary causes and consequences of ungulate migration. Nature Ecology & Evolution, 6(7), pp.998-1006., John G. Robinson, Kent H. Redford, 1986, 'Body Size, Diet, and Population Density of Neotropical Forest Mammals', The American Naturalist, vol. 128, no. 5, p. 665, 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, 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, Herbivore	– Abraham, J.O., Upham, N.S., Damian-Serrano, A. and Jesmer, B.R., 2022. Evolutionary causes and consequences of ungulate migration. Nature Ecology & Evolution, 6(7), pp.998-1006., John G. Robinson, Kent H. Redford, 1986, 'Body Size, Diet, and Population Density of Neotropical Forest Mammals', The American Naturalist, vol. 128, no. 5, p. 665, 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, 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 Tapirus bairdii.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	nan	g	1	1	-	-	-	272,155	-	-	Engelman,…
Body Mass (BM)	nan	g	-	-	-	-	150,000	-	540,000	-	Freudenth…
Head-Body Length (HBL)	nan	mm	-	-	-	-	-	1,890	-	-	Engelman,…
Occipital condyle width (OCW)	nan	mm	1	1	-	-	-	84.78	-	-	Engelman,…

Table 4. List of other Measurements ^b. for Tapirus bairdii.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
brainmass	nan	g	-	-	-	-	-	159	-	-	Engelman,…
skull_length	nan	mm	-	-	-	-	-	421	-	-	Engelman,…
average ungulate dietary grass fraction (proportional)	nan	unitless	-	-	-	-	-	1	-	-	Abraham, …
femur circumference	nan	mm	-	-	-	-	-	113	-	-	Nelson, A…
femur diameter	nan	mm	-	-	-	-	-	29	-	-	Nelson, A…
humerus circumference	nan	mm	-	-	-	-	-	100	-	-	Nelson, A…
humerus diameter	nan	mm	-	-	-	-	-	29	-	-	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 Tapirus bairdii.
Taxon	Reference	Match	Status
Tapirus bairdii	Robinson,John G., 1986, Body Size, Diet, and Population Density of Neotropical Forest Mammals, The American Naturalist	1: Exact Taxon match	Verified - Accepted
Tapirus bairdii	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
Tapirus bairdii	MedellÃƒÂn,R. A., 1994, Mammal diversity and conservation in the Selva Lacandona, Chiapas, Mexico, Conservation Biology	1: Exact Taxon match	Verified - Accepted
Tapirus bairdii	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
Tapirus bairdii	Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V,	1: Exact Taxon match	Verified - Accepted
Tapirus bairdii	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
Tapirus bairdii	Abraham, J.O., Upham, N.S., Damian-Serrano, A. and Jesmer, B.R., 2022. Evolutionary causes and consequences of ungulate migration. Nature Ecology & Evolution, 6(7), pp.998-1006.	1: Exact Taxon match	Verified - Accepted
Tapirus bairdii	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
Tapirus bairdii	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
Tapirus bairdii	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
Tapirus bairdii	Beaudrot, L., Acevedo, M.A., Gorczynski, D. and Harris, N.C., 2024. Geographic differences in body size distributions underlie food web connectance of tropical forest mammals. Scientific Reports, 14(1), pp.1-10.	1: Exact Taxon match	Verified - Accepted
Tapirus bairdii	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 Tapirus bairdii , Accessed 30th April 2026 at https://mammalbase.net/me/15355]