Accepted taxon: Eptesicus fuscus
| Taxon: | Eptesicus fuscus |
|---|---|
| Rank: | Species |
| Higher Classification: | CHIROPTERA | Vespertilionidae | Vespertilioninae | Eptesicini | Eptesicus | Eptesicus |
| 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 Eptesicus fuscus diet.
CF (Crude Fibre) 10, ASH (Ash contents) 4, NFE (Nitrogen-Free-Extract) 17, CP (Crude Protein) 49, EE (Ether Extract) 19.
See details for the calculations in Lintulaakso, K., Tatti, N. and Žliobaitė, I., 2022. Quantifying mammalian diets.
Mammalian Biology, pp.1-15.
[DOI]
| TSN Complete name | Part | Ratio a. | Reference(s) |
|---|---|---|---|
| Insecta | WHOLE | 47.62 | Damuth, J… |
| Coleoptera | WHOLE | 23.81 | Grzimek,B… |
| Insecta | LARVAE | 11.11 | Damuth, J… |
| Scarabaeidae | WHOLE | 9.52 | Grzimek,B… |
| Lepidoptera | WHOLE | 4.76 | Grzimek,B… |
| Orthoptera | WHOLE | 3.17 | 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]
| Trait | Selected Value | All Value(s) | Reference(s) |
|---|---|---|---|
| Dietary category: Eisenberg 1981 | Insectivore | Insectivore | – Arriaga-Flores, J., Castro-Arellano, I., Moreno-Valdez, A., Correa-Sandoval, A. 2012. Temporal niche overlap of a riparian forest bat assemblage in subtropical Mexico. Revista Mexicana de Mastozoología (Nueva Epoca). 2(1), pp.3. Available at: 10.22201/ie.20074484e.2012.2.1.18., Cakenberghe,V. V., 2002, Evolutionary relationships between cranial shape and diet in bats (Mammalia: Chiroptera), Topics in functional and ecological vertebrate morphology, 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, Victor Sánchezâ€ÂCordero, 2001, 'Elevation gradients of diversity for rodents and bats in Oaxaca, Mexico', Global Ecology and Biogeography, vol. 10, no. 1, pp. 63-76 |
| Dietary category: Miljutin 2009 | Animalivore | Animalivore | – Arriaga-Flores, J., Castro-Arellano, I., Moreno-Valdez, A., Correa-Sandoval, A. 2012. Temporal niche overlap of a riparian forest bat assemblage in subtropical Mexico. Revista Mexicana de Mastozoología (Nueva Epoca). 2(1), pp.3. Available at: 10.22201/ie.20074484e.2012.2.1.18., Cakenberghe,V. V., 2002, Evolutionary relationships between cranial shape and diet in bats (Mammalia: Chiroptera), Topics in functional and ecological vertebrate morphology, 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, Victor Sánchezâ€ÂCordero, 2001, 'Elevation gradients of diversity for rodents and bats in Oaxaca, Mexico', Global Ecology and Biogeography, vol. 10, no. 1, pp. 63-76 |
| Locomotion: Eisenberg 1981 | Volant | Volant | – Arriaga-Flores, J., Castro-Arellano, I., Moreno-Valdez, A., Correa-Sandoval, A. 2012. Temporal niche overlap of a riparian forest bat assemblage in subtropical Mexico. Revista Mexicana de Mastozoología (Nueva Epoca). 2(1), pp.3. Available at: 10.22201/ie.20074484e.2012.2.1.18., Ospina-Garcés, S., Zamora-Gutierrez, V., Lara-Delgado, J., Morelos-Martínez, M., Ávila-Flores, R., Kurali, A., Ortega, J., Selem-Salas, C., MacSwiney G, M. 2023. The relationship between wing morphology and foraging guilds: exploring the evolution of wing ecomorphs in bats. Biological Journal of the Linnean Society. None(None), pp.None. Available at: 10.1093/biolinnean/blad157. |
| Measurement | Location | Unit | n Total | n Unknown | n Female | n Male | Min | Mean | Max | SD | Reference(s) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Mass (BM) | Isla Juventud | g | - | - | - | - | - | 10.2 | - | - | Molinari,… |
| Body Mass (BM) | E United States (Virginia to Florida) | g | - | - | - | - | - | 14.76 | - | - | Molinari,… |
| Body Mass (BM) | Cuba | g | - | - | - | - | - | 13.06 | - | - | Molinari,… |
| Body Mass (BM) | Puerto Rico | g | - | - | - | - | - | 17 | - | - | Molinari,… |
| Body Mass (BM) | North America | g | - | - | - | - | - | 17.9 | - | - | Robert M.… |
| Body Mass (BM) | N South America | g | - | - | - | - | - | 17.18 | - | - | Molinari,… |
| Body Mass (BM) | Hispaniola | g | - | - | - | - | - | 13.41 | - | - | Molinari,… |
| Body Mass (BM) | Alberta, Montana, W Nebraska | g | - | - | - | - | - | 18.05 | - | - | Molinari,… |
| Body Mass (BM) | La Peregrina Canyon, Tamaulipas, Mexico | g | 1 | 1 | - | - | - | 15 | - | - | Arriaga-F… |
| Body Mass (BM) | S Mexico, Central America | g | - | - | - | - | - | 15.92 | - | - | Molinari,… |
| Forearm Length (FA) | Hispaniola | mm | - | - | - | - | - | 47.05 | - | - | Molinari,… |
| Forearm Length (FA) | N South America | mm | - | - | - | - | - | 50.5 | - | - | Molinari,… |
| Forearm Length (FA) | New Providence | mm | - | - | - | - | - | 44.6 | - | - | Molinari,… |
| Forearm Length (FA) | Alberta, Montana, W Nebraska | mm | - | - | - | - | - | 47.25 | - | - | Molinari,… |
| Forearm Length (FA) | Cuba | mm | - | - | - | - | - | 47.45 | - | - | Molinari,… |
| Forearm Length (FA) | Isla Juventud | mm | - | - | - | - | - | 43.2 | - | - | Molinari,… |
| Forearm Length (FA) | S Mexico, Central America | mm | - | - | - | - | - | 52.76 | - | - | Molinari,… |
| Forearm Length (FA) | Puerto Rico | mm | - | - | - | - | - | 49.69 | - | - | Molinari,… |
| Forearm Length (FA) | E United States (Virginia to Florida) | mm | - | - | - | - | - | 45.75 | - | - | Molinari,… |
| Forearm Length (FA) | Exuma keys | mm | - | - | - | - | - | 45.9 | - | - | Molinari,… |
| Forearm Length (FA) | Jamaica | mm | - | - | - | - | - | 45.55 | - | - | Molinari,… |
| Forearm Length (FA) | San Salvador | mm | - | - | - | - | - | 44.7 | - | - | Molinari,… |
| Measurement | Location | Unit | n Total | n Unknown | n Female | n Male | Min | Mean | Max | SD | Reference(s) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Skull length | Cuba | mm | - | - | - | - | - | 18 | - | - | Molinari,… |
| Skull length | Exuma keys | mm | - | - | - | - | - | 18 | - | - | Molinari,… |
| Skull length | Hispaniola | mm | - | - | - | - | - | 18 | - | - | Molinari,… |
| Skull length | Isla Juventud | mm | - | - | - | - | - | 17 | - | - | Molinari,… |
| Skull length | Jamaica | mm | - | - | - | - | - | 17 | - | - | Molinari,… |
| Skull length | New Providence | mm | - | - | - | - | - | 17 | - | - | Molinari,… |
| Skull length | Puerto Rico | mm | - | - | - | - | - | 19 | - | - | Molinari,… |
| Skull length | San Salvador | mm | - | - | - | - | - | 18 | - | - | Molinari,… |
| Skull length | Alberta, Montana, W Nebraska | mm | - | - | - | - | - | 19 | - | - | Molinari,… |
| Skull length | E United States (Virginia to Alabama) | mm | - | - | - | - | - | 19 | - | - | Molinari,… |
| Skull length | N South America | mm | - | - | - | - | - | 20 | - | - | Molinari,… |
| Skull length | S Mexico, Central America | mm | - | - | - | - | - | 21 | - | - | Molinari,… |
| Greatest Length of Skull /Breadth Across Molars | unitless | 33 | 33 | - | - | - | 2 | - | - | Cláudio, … | |
| Tragus Length | mm | 11 | 11 | - | - | - | 9 | - | - | Cláudio, … | |
| relative wing loading (RWL) | nan | unitless | 7 | 7 | - | - | - | 39 | - | - | Ospina-Ga… |
| wing aspect ratio (WAR) | nan | unitless | 7 | 7 | - | - | - | 5 | - | - | Ospina-Ga… |
| wing mean centroid size (CS, cm) | nan | cm | 7 | 7 | - | - | - | 19 | - | - | Ospina-Ga… |
| Breadth at mastoids | Caribbean | mm | 52 | 52 | - | - | 9 | 9 | 10 | - | Mônico, P… |
| Breadth at mastoids | Mesoamerica | mm | 24 | 24 | - | - | 9 | 10 | 11 | - | Mônico, P… |
| Breadth at mastoids | SE United States | mm | 12 | 12 | - | - | 9 | 10 | 11 | - | Mônico, P… |
| Dentary length | Caribbean | mm | 52 | 52 | - | - | 13 | 14 | 15 | - | Mônico, P… |
| Dentary length | Mesoamerica | mm | 24 | 24 | - | - | 15 | 16 | 17 | - | Mônico, P… |
| Dentary length | SE United States | mm | 12 | 12 | - | - | 14 | 15 | 16 | - | Mônico, P… |
| Dentary thickness | Caribbean | mm | 52 | 52 | - | - | 2 | 2 | 2 | - | Mônico, P… |
| Dentary thickness | Mesoamerica | mm | 24 | 24 | - | - | 2 | 2 | 3 | - | Mônico, P… |
| Dentary thickness | SE United States | mm | 12 | 12 | - | - | 2 | 2 | 2 | - | Mônico, P… |
| Lacrimal width | Caribbean | mm | 52 | 52 | - | - | 6 | 7 | 8 | - | Mônico, P… |
| Lacrimal width | Mesoamerica | mm | 24 | 24 | - | - | 7 | 8 | 8 | - | Mônico, P… |
| Lacrimal width | SE United States | mm | 12 | 12 | - | - | 7 | 8 | 9 | - | Mônico, P… |
| Length of condyle | Caribbean | mm | 52 | 52 | - | - | 1 | 2 | 2 | - | Mônico, P… |
| Length of condyle | Mesoamerica | mm | 24 | 24 | - | - | 2 | 2 | 2 | - | Mônico, P… |
| Length of condyle | SE United States | mm | 12 | 12 | - | - | 2 | 2 | 2 | - | Mônico, P… |
| Length of glenoid fossa | Caribbean | mm | 52 | 52 | - | - | 1 | 2 | 2 | - | Mônico, P… |
| Length of glenoid fossa | Mesoamerica | mm | 24 | 24 | - | - | 2 | 2 | 2 | - | Mônico, P… |
| Length of glenoid fossa | SE United States | mm | 12 | 12 | - | - | 2 | 2 | 2 | - | Mônico, P… |
| Length of masseter muscle scar | Caribbean | mm | 52 | 52 | - | - | 4 | 5 | 5 | - | Mônico, P… |
| Length of masseter muscle scar | Mesoamerica | mm | 24 | 24 | - | - | 4 | 5 | 6 | - | Mônico, P… |
| Length of masseter muscle scar | SE United States | mm | 12 | 12 | - | - | 4 | 5 | 5 | - | Mônico, P… |
| Lower toothrow | Caribbean | mm | 52 | 52 | - | - | 7 | 7 | 9 | - | Mônico, P… |
| Lower toothrow | Mesoamerica | mm | 24 | 24 | - | - | 8 | 8 | 8 | - | Mônico, P… |
| Lower toothrow | SE United States | mm | 12 | 12 | - | - | 7 | 8 | 8 | - | Mônico, P… |
| Maxillary tooth row | Caribbean | mm | 52 | 52 | - | - | 6 | 7 | 7 | - | Mônico, P… |
| Maxillary tooth row | Mesoamerica | mm | 24 | 24 | - | - | 5 | 6 | 6 | - | Mônico, P… |
| Maxillary tooth row | SE United States | mm | 12 | 12 | - | - | 5 | 6 | 6 | - | Mônico, P… |
| Moment arm of masseter | Caribbean | mm | 52 | 52 | - | - | 2 | 3 | 3 | - | Mônico, P… |
| Moment arm of masseter | Mesoamerica | mm | 24 | 24 | - | - | 3 | 3 | 3 | - | Mônico, P… |
| Moment arm of masseter | SE United States | mm | 12 | 12 | - | - | 3 | 3 | 3 | - | Mônico, P… |
| Moment arm of temporal | Caribbean | mm | 52 | 52 | - | - | 4 | 4 | 4 | - | Mônico, P… |
| Moment arm of temporal | Mesoamerica | mm | 24 | 24 | - | - | 4 | 5 | 6 | - | Mônico, P… |
| Moment arm of temporal | SE United States | mm | 12 | 12 | - | - | 4 | 4 | 5 | - | Mônico, P… |
| Postorbital width | Caribbean | mm | 52 | 52 | - | - | 4 | 4 | 5 | - | Mônico, P… |
| Postorbital width | Mesoamerica | mm | 24 | 24 | - | - | 4 | 4 | 5 | - | Mônico, P… |
| Postorbital width | SE United States | mm | 12 | 12 | - | - | 4 | 4 | 5 | - | Mônico, P… |
| Rostral length | Caribbean | mm | 52 | 52 | - | - | 6 | 7 | 8 | - | Mônico, P… |
| Rostral length | Mesoamerica | mm | 24 | 24 | - | - | 7 | 8 | 9 | - | Mônico, P… |
| Rostral length | SE United States | mm | 12 | 12 | - | - | 7 | 8 | 8 | - | Mônico, P… |
| Width at upper canines | Caribbean | mm | 52 | 52 | - | - | 3 | 3 | 3 | - | Mônico, P… |
| Width at upper canines | Mesoamerica | mm | 24 | 24 | - | - | 3 | 3 | 4 | - | Mônico, P… |
| Width at upper canines | SE United States | mm | 12 | 12 | - | - | 3 | 3 | 3 | - | Mônico, P… |
| Width at upper molars | Caribbean | mm | 52 | 52 | - | - | 3 | 4 | 5 | - | Mônico, P… |
| Width at upper molars | Mesoamerica | mm | 24 | 24 | - | - | 4 | 5 | 5 | - | Mônico, P… |
| Width at upper molars | SE United States | mm | 12 | 12 | - | - | 4 | 4 | 5 | - | Mônico, P… |
| Angular Process Length (ANP) | USA | cm | 19 | 19 | - | - | - | 0 | - | 0 | Dunn, M.S… |
| Braincase Height (BCH) | USA | cm | 22 | 22 | - | - | - | 1 | - | 0 | Dunn, M.S… |
| Canine to 3rd Molar Length on Cranium (CM3L) | USA | cm | 22 | 22 | - | - | - | 1 | - | 0 | Dunn, M.S… |
| Canine to 3rd Molar Length on Mandible (cm3L) | USA | cm | 19 | 19 | - | - | - | 1 | - | 0 | Dunn, M.S… |
| Canine to Premolar Length on Cranium (CP4L) | USA | cm | 22 | 22 | - | - | - | 0 | - | 0 | Dunn, M.S… |
| Canine to Premolar Length on Mandible (cp4L) | USA | cm | 19 | 19 | - | - | - | 0 | - | 0 | Dunn, M.S… |
| Canine Tooth Length Cranium (K9T) | USA | cm | 22 | 22 | - | - | - | 0 | - | 0 | Dunn, M.S… |
| Canine Tooth Length Mandible (K9TM) | USA | cm | 19 | 19 | - | - | - | 0 | - | 0 | Dunn, M.S… |
| Canine-Canine Width (C-C) | USA | cm | 22 | 22 | - | - | - | 1 | - | 0 | Dunn, M.S… |
| Coronoid Process Height (CPH) | USA | cm | 19 | 19 | - | - | - | 1 | - | 0 | Dunn, M.S… |
| Coronoid to Articular Length (CPL) | USA | cm | 19 | 19 | - | - | - | 0 | - | 0 | Dunn, M.S… |
| Dentary Bone Height (DEN) | USA | cm | 19 | 19 | - | - | - | 0 | - | 0 | Dunn, M.S… |
| Forearm Length | USA | mm | - | - | - | - | - | 44 | - | 2 | Dunn, M.S… |
| Frontal Bone Width (FBW) | USA | cm | 22 | 22 | - | - | - | 1 | - | 0 | Dunn, M.S… |
| Greatest Skull Length (GSL) | USA | cm | 22 | 22 | - | - | - | 2 | - | 0 | Dunn, M.S… |
| Height of Cranium at Last Molar (HMOL) | USA | cm | 22 | 22 | - | - | - | 1 | - | 0 | Dunn, M.S… |
| Interorbital Width (IOW) | USA | cm | 22 | 22 | - | - | - | 0 | - | 0 | Dunn, M.S… |
| Length of Palate (LPAL) | USA | cm | 22 | 22 | - | - | - | 1 | - | 0 | Dunn, M.S… |
| Length of Premaxilla (LPMAX) | USA | cm | 22 | 22 | - | - | - | 0 | - | 0 | Dunn, M.S… |
| Mastoid Breadth (MB) | USA | cm | 22 | 22 | - | - | - | 1 | - | 0 | Dunn, M.S… |
| Maximum Dentary Length (MDL) | USA | cm | 19 | 19 | - | - | - | 1 | - | 0 | Dunn, M.S… |
| Molar-Molar Width (M-M) | USA | cm | 22 | 22 | - | - | - | 1 | - | 0 | Dunn, M.S… |
| Width of Premaxilla (WPMAX) | USA | cm | 22 | 22 | - | - | - | 0 | - | 0 | Dunn, M.S… |
| Zygomatic Length (ZYGL) | USA | cm | 22 | 22 | - | - | - | 1 | - | 0 | Dunn, M.S… |
| Zygomatic Width (ZYGW) | USA | cm | 22 | 22 | - | - | - | 0 | - | 0 | Dunn, M.S… |
| BMR,mlO2/h | nan | mlO2/h | 5 | 5 | - | - | - | 17 | - | - | Genoud, M… |
b. other Measurements. Source Measurements which are not listed on or mapped with the Standard Traits..
Citation for this page: [The MammalBase community 2026. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Eptesicus fuscus , Accessed 12th February 2026 at https://mammalbase.net/me/12952]