MammalBase - Accepted taxon: Macrotus californicus

Accepted taxon: Macrotus californicus
Taxon:	Macrotus californicus
Rank:	Species
Higher Classification:	CHIROPTERA \| Phyllostomidae \| Phyllostominae \| Macrotus
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 Macrotus californicus diet.
CF (Crude Fibre) 10, ASH (Ash contents) 5, NFE (Nitrogen-Free-Extract) 27, CP (Crude Protein) 44, EE (Ether Extract) 14. 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 Macrotus californicus.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Insecta	WHOLE	58.33	Damuth, J…
Magnoliopsida	FRUIT	16.67	Damuth, J…
Orthoptera	WHOLE	16.67	Grzimek,B…
Lepidoptera	WHOLE	8.33	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 Macrotus californicus.
Trait	Selected Value	All Value(s)	Reference(s)
Dietary category: Eisenberg 1981	Insectivore	Insectivore, Insectivore-Omnivore	– Freeman,P. W., 1998, Form, function, and evolution in skulls and teeth of bats,, Grossnickle, D., Sadier, A., Patterson, E., Cortés-Viruet, N., Jiménez-Rivera, S., Sears, K., Santana, S. 2024. The hierarchical radiation of phyllostomid bats as revealed by adaptive molar morphology. Current Biology. 34(6), pp.1284-1294.e3. Available at: 10.1016/j.cub.2024.02.027., López‐Aguirre, C., Ratcliffe, J., Silcox, M. 2023. Interplay of diet and sympatry in the morphological evolution of noctilionoid bats. Journal of Biogeography. 50(12), pp.2084-2094. Available at: 10.1111/jbi.14724., Robert M. R. Barclay, R. Mark Brigham, 1991, 'Prey Detection, Dietary Niche Breadth, and Body Size in Bats: Why are Aerial Insectivorous Bats so Small?', The American Naturalist, vol. 137, no. 5, p. 693
Dietary category: Miljutin 2009	Animalivore	Animalivore	– Freeman,P. W., 1998, Form, function, and evolution in skulls and teeth of bats,, Grossnickle, D., Sadier, A., Patterson, E., Cortés-Viruet, N., Jiménez-Rivera, S., Sears, K., Santana, S. 2024. The hierarchical radiation of phyllostomid bats as revealed by adaptive molar morphology. Current Biology. 34(6), pp.1284-1294.e3. Available at: 10.1016/j.cub.2024.02.027., López‐Aguirre, C., Ratcliffe, J., Silcox, M. 2023. Interplay of diet and sympatry in the morphological evolution of noctilionoid bats. Journal of Biogeography. 50(12), pp.2084-2094. Available at: 10.1111/jbi.14724., Robert M. R. Barclay, R. Mark Brigham, 1991, 'Prey Detection, Dietary Niche Breadth, and Body Size in Bats: Why are Aerial Insectivorous Bats so Small?', The American Naturalist, vol. 137, no. 5, p. 693

Table 3. List of Standard Measurements for Macrotus californicus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	North America	g	-	-	-	-	-	12.9	-	-	Robert M.…

Table 4. List of other Measurements ^b. for Macrotus californicus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
BMR (kJ/h)	nan	kJ/h	-	-	-	-	-	0	-	-	McNab, B.…
BMR,mlO2/h	nan	mlO2/h	9	9	-	-	-	15	-	-	Genoud, M…
Basicranium width (mm)	nan	mm	3	3	-	-	10	10	10	0	Grossnick…

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

Table 5. List of Data Sources for Macrotus californicus.
Taxon	Reference	Match	Status
Macrotus californicus	Brigham,R. M., 1991, Prey detection, dietary niche breadth, and body size in bats: why are aerial insectivorous bats so small?, The American Naturalist	1: Exact Taxon match	Verified - Accepted
Macrotus californicus	Cruz-Neto,A. P., 2001, Diet, phylogeny, and basal metabolic rate in phyllostomid bats, Zoology	1: Exact Taxon match	Verified - Accepted
Macrotus californicus	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
Macrotus californicus	Freeman,P. W., 1998, Form, function, and evolution in skulls and teeth of bats,	1: Exact Taxon match	Verified - Accepted
Macrotus californicus	Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V,	1: Exact Taxon match	Verified - Accepted
Macrotus californicus	López‐Aguirre, C., Ratcliffe, J.M. and Silcox, M.T., 2023. Interplay of diet and sympatry in the morphological evolution of noctilionoid bats. Journal of Biogeography.	1: Exact Taxon match	Verified - Accepted
Macrotus californicus	McNab, B.K., 2008. An analysis of the factors that influence the level and scaling of mammalian BMR. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 151(1), pp.5-28.	1: Exact Taxon match	Verified - Accepted
Macrotus californicus	Genoud, M., Isler, K. and Martin, R.D., 2018. Comparative analyses of basal rate of metabolism in mammals: data selection does matter. Biological Reviews, 93(1), pp.404-438.	1: Exact Taxon match	Verified - Accepted
Macrotus californicus	Grossnickle, D.M., Sadier, A., Patterson, E., Cortés-Viruet, N.N., Jiménez-Rivera, S.M., Sears, K.E. and Santana, S.E., 2024. The hierarchical radiation of phyllostomid bats as revealed by adaptive molar morphology. Current Biology.	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 Macrotus californicus , Accessed 16th April 2026 at https://mammalbase.net/me/12449]