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MammalBase - Accepted taxon: Ursus arctos arctos

Accepted taxon: Ursus arctos arctos


Accepted taxon: Ursus arctos arctos
Taxon: Ursus arctos arctos
Rank: Subspecies
Higher Classification: CARNIVORA | CANIFORMIA | Ursidae | Ursus | arctos
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 Ursus arctos arctos diet.
CF (Crude Fibre) 12, ASH (Ash contents) 5, NFE (Nitrogen-Free-Extract) 44, CP (Crude Protein) 28, EE (Ether Extract) 11. 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 Ursus arctos arctos.
TSN Complete name Part Ratio a. Reference(s)
Gramineae STEM 6.84 Ciucci,Pa…
Fagus sylvatica SEED 6.60 Ciucci,Pa…
Cervus elaphus WHOLE 6.07 Ciucci,Pa…
Magnoliopsida SHOOT 6.04 Ciucci,Pa…
Quercus SEED 5.56 Ciucci,Pa…
Rosa canina FRUIT 5.09 Ciucci,Pa…
Formicidae WHOLE 4.65 Ciucci,Pa…
Sus scrofa WHOLE 3.82 Ciucci,Pa…
Bos taurus WHOLE 3.72 Ciucci,Pa…
Magnoliopsida ROOT 3.68 Ciucci,Pa…
Prunus avium FRUIT 3.29 Ciucci,Pa…
Magnoliopsida BUD 3.23 Ciucci,Pa…
Ursus arctos WHOLE 3.06 Ciucci,Pa…
Capreolus capreolus WHOLE 2.92 Ciucci,Pa…
Malus X micromalus FRUIT 2.60 Ciucci,Pa…
Rhamnus FRUIT 2.49 Ciucci,Pa…
Pyrus FRUIT 2.46 Ciucci,Pa…
Equus caballus WHOLE 2.40 Ciucci,Pa…
Ficus carica FRUIT 2.16 Ciucci,Pa…
Apis mellifera WHOLE 2.14 Ciucci,Pa…
Sorbus domestica FRUIT 1.82 Ciucci,Pa…
Prunus mahaleb FRUIT 1.79 Ciucci,Pa…
Viburnum FRUIT 1.70 Ciucci,Pa…
Olea europaea FRUIT 1.63 Ciucci,Pa…
Rubus FRUIT 1.48 Ciucci,Pa…
Sorbus aria FRUIT 1.44 Ciucci,Pa…
Ovis aries WHOLE 1.34 Ciucci,Pa…
Prunus domestica FRUIT 1.20 Ciucci,Pa…
Crataegus FRUIT 1.16 Ciucci,Pa…
Prunus spinosa FRUIT 1.10 Ciucci,Pa…
Diptera LARVAE 0.99 Ciucci,Pa…
Capra hircus WHOLE 0.93 Ciucci,Pa…
Cornus mas FRUIT 0.91 Ciucci,Pa…
Vitis vinifera FRUIT 0.47 Ciucci,Pa…
Coleoptera WHOLE 0.44 Ciucci,Pa…
Prunus cerasifera FRUIT 0.38 Ciucci,Pa…
Arvicolinae WHOLE 0.36 Ciucci,Pa…
Vespidae WHOLE 0.28 Ciucci,Pa…
Bombus WHOLE 0.27 Ciucci,Pa…
Corylus avellana SEED 0.23 Ciucci,Pa…
Rupicapra pyrenaica WHOLE 0.21 Ciucci,Pa…
Fragaria vesca FRUIT 0.18 Ciucci,Pa…
Amelanchier ovalis FRUIT 0.18 Ciucci,Pa…
Martes foina WHOLE 0.16 Ciucci,Pa…
Orthoptera WHOLE 0.15 Ciucci,Pa…
Glis glis WHOLE 0.14 Ciucci,Pa…
Lepus WHOLE 0.13 Ciucci,Pa…
Sorbus aucuparia FRUIT 0.08 Ciucci,Pa…
Sciurus vulgaris WHOLE 0.05 Ciucci,Pa…

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 Ursus arctos arctos.
Trait Selected Value All Value(s) Reference(s)
No trait values available.

Table 3. List of Standard Measurements for Ursus arctos arctos.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)

Table 4. List of other Measurements b. for Ursus arctos arctos.
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 Ursus arctos arctos.
Taxon Reference Match Status
Ursus arctos marsicanus Ciucci,Paolo, 2014, Seasonal and annual variation in the food habits of Apennine brown bears, central Italy, Journal of mammalogy 62: Genus, Species, Subspecies = Master genus, species, subspecies synonym Verified - Accepted

Citation for this page: [The MammalBase community 2026. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Ursus arctos arctos: , Accessed 27th May 2026 at https://mammalbase.net/me/14664]