MammalBase - Accepted taxon: Speothos venaticus

Accepted taxon: Speothos venaticus
Taxon:	Speothos venaticus
Rank:	Species
Higher Classification:	CARNIVORA \| CANIFORMIA \| Canidae \| Speothos
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 Speothos venaticus diet.
CF (Crude Fibre) 1, ASH (Ash contents) 12, NFE (Nitrogen-Free-Extract) 9, CP (Crude Protein) 57, EE (Ether Extract) 21. 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 Speothos venaticus.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Rodentia	WHOLE	61.11	Damuth, J…
Cuniculus	WHOLE	27.78	Damuth, J…
Dasyprocta	WHOLE	11.11	Nowak,R. …

^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 Speothos venaticus.
Trait	Selected Value	All Value(s)	Reference(s)
Locomotion: Eisenberg 1981	Terrestrial	Terrestrial	– John L. Gittleman, 1985, 'Carnivore body size: Ecological and taxonomic correlates', Oecologia, vol. 67, no. 4, pp. 540-554, Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition
Temporal habits	nocturnal	nocturnal	– John L. Gittleman, 1985, 'Carnivore body size: Ecological and taxonomic correlates', Oecologia, vol. 67, no. 4, pp. 540-554
Dietary category: Eisenberg 1981	Carnivore	Carnivore	– A. R. Friscia, B. Van Valkenburgh, A. R. Biknevicius, 2007, 'An ecomorphological analysis of extant small carnivorans', Journal of Zoology, vol. 272, no. 1, pp. 82-100, Juhn, M., Balisi, M., Doughty, E., Friscia, A., Howenstine, A., Jacquemetton, C., Marcot, J., Nugen, S., Van Valkenburgh, B. 2024. Cenozoic climate change and the evolution of North American mammalian predator ecomorphology. Paleobiology. None(None), pp.1-10. Available at: 10.1017/pab.2024.27., Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition
Dietary category: Miljutin 2009	Animalivore	Animalivore	– A. R. Friscia, B. Van Valkenburgh, A. R. Biknevicius, 2007, 'An ecomorphological analysis of extant small carnivorans', Journal of Zoology, vol. 272, no. 1, pp. 82-100, Juhn, M., Balisi, M., Doughty, E., Friscia, A., Howenstine, A., Jacquemetton, C., Marcot, J., Nugen, S., Van Valkenburgh, B. 2024. Cenozoic climate change and the evolution of North American mammalian predator ecomorphology. Paleobiology. None(None), pp.1-10. Available at: 10.1017/pab.2024.27., Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition

Table 3. List of Standard Measurements for Speothos venaticus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	nan	g	-	-	-	-	5,000	-	8,000	-	Freudenth…
Body Mass (BM)	nan	g	-	-	-	-	-	6,325	-	-	Juhn, M.,…
Body Mass (BM)	Brazil	g	-	-	-	-	-	6,000	-	-	Paglia,A.…
Body Mass (BM)	nan	g	1	1	-	-	-	6,658	-	-	Engelman,…
Head-Body Length (HBL)	nan	mm	1	1	-	-	-	615	-	-	Engelman,…
Occipital condyle width (OCW)	nan	mm	1	1	-	-	-	25.26	-	-	Engelman,…

Table 4. List of other Measurements ^b. for Speothos venaticus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
brainmass	nan	g	-	-	-	-	-	41	-	-	Engelman,…
skull_length	nan	mm	-	-	-	-	-	133	-	-	Engelman,…
femur circumference	nan	mm	-	-	-	-	-	24	-	-	Nelson, A…
femur diameter	nan	mm	-	-	-	-	-	8	-	-	Nelson, A…
humerus circumference	nan	mm	-	-	-	-	-	24	-	-	Nelson, A…
humerus diameter	nan	mm	-	-	-	-	-	9	-	-	Nelson, A…
relative blade length (RBL)	nan	unitless	-	-	-	-	-	1	-	-	Juhn, M.S…

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

Table 5. List of Data Sources for Speothos venaticus.
Taxon	Reference	Match	Status
Speothos venaticus	Gittleman,J. L., 1985, Carnivore body size: ecological and taxonomic correlates, Oecologia	1: Exact Taxon match	Verified - Accepted
Speothos venaticus	Friscia,AR, 2006, An ecomorphological analysis of extant small carnivorans, Journal of zoology	1: Exact Taxon match	Verified - Accepted
Speothos venaticus	Paglia,A. P., 2012, Lista Anotada dos MamÃƒÂferos do Brasil 2Ã‚Âª EdiÃƒÂ§ÃƒÂ£o Annotated Checklist of Brazilian Mammals,	1: Exact Taxon match	Verified - Accepted
Speothos venaticus	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
Speothos venaticus	Nowak,R. M., 1991, Walker's mammals of the world,	1: Exact Taxon match	Verified - Accepted
Speothos venaticus	Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V,	1: Exact Taxon match	Verified - Accepted
Speothos venaticus	Nowak,R. M., 1991, Walker's mammals of the world,	1: Exact Taxon match	Verified - Accepted
Speothos venaticus	Law, C.J., Blackwell, E.A., Curtis, A.A., Dickinson, E., Hartstone‐Rose, A. and Santana, S.E., 2022. Decoupled evolution of the cranium and mandible in carnivoran mammals. Evolution.	1: Exact Taxon match	Verified - Accepted
Speothos venaticus	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
Speothos venaticus	DeMers, A.C., 2023. Functional Significance of the Mandible, Tooth Roots, and Tooth Crowns, and their Implications for Fossil Dietary Inference (Doctoral dissertation, The Ohio State University).	1: Exact Taxon match	Verified - Accepted
Speothos venaticus	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
Speothos venaticus	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
Speothos venaticus	Juhn, M.S., Balisi, M.A., Doughty, E.M., Friscia, A.R., Howenstine, A.O., Jacquemetton, C., Marcot, J., Nugen, S. and Van Valkenburgh, B., 2024. Cenozoic climate change and the evolution of North American mammalian predator ecomorphology. Paleobiology, pp.1-10.	1: Exact Taxon match	Verified - Accepted
Speothos venaticus	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
Speothos venaticus	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 Speothos venaticus , Accessed 17th April 2026 at https://mammalbase.net/me/14537]