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MammalBase - Accepted taxon: Nyctophilus geoffroyi

Accepted taxon: Nyctophilus geoffroyi


Accepted taxon: Nyctophilus geoffroyi
Taxon: Nyctophilus geoffroyi
Rank: Species
Higher Classification: CHIROPTERA | Vespertilionidae | Vespertilioninae | Nyctophilini | Nyctophilus
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 Nyctophilus geoffroyi diet.
CF (Crude Fibre) 10, ASH (Ash contents) 4, NFE (Nitrogen-Free-Extract) 17, CP (Crude Protein) 51, EE (Ether Extract) 18. 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 Nyctophilus geoffroyi.
TSN Complete name Part Ratio a. Reference(s)
Insecta WHOLE 66.67 Damuth, J…
Coleoptera WHOLE 33.33 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 Nyctophilus geoffroyi.
Trait Selected Value All Value(s) Reference(s)
Dietary category: Eisenberg 1981 Insectivore Insectivore – 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 – 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 Nyctophilus geoffroyi.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)
Body Mass (BM) Australia g - - - - - 6.3 - - Robert M.…
Tail Length (TL) Australian mainland mm 18 - - 18 35 - 43 - Parnaby, …

Table 4. List of other Measurements b. for Nyctophilus geoffroyi.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)
ANT, anteorbital width, between infraorbital foramina Australian mainland mm 6 - - 6 4 - 5 - Parnaby, …
Baculum Length, maximum length from most posterior tip of proximal arms to distal tip, taken perpendicular to the dorsal surface of the main shaft Australian mainland mm 12 - - 12 2 - 3 - Parnaby, …
BRH, braincase height: caliper blade positioned along basioccipital-basisphenoid bones and along the sagittal crest Australian mainland mm 75 - - 75 5 - 6 - Parnaby, …
BTB, least inter-bulla distance, least distance between each bulla Australian mainland mm 45 - - 45 1 - 2 - Parnaby, …
BUL, bulla length, from base of eustachian tube when present Australian mainland mm 49 - - 49 4 - 4 - Parnaby, …
C1-C1 , outer breadth across upper canines from cingula Australian mainland mm 68 - - 68 4 - 5 - Parnaby, …
Cm3 , length of mandibulary toothrow Australian mainland mm - - - - 6 - 6 - Parnaby, …
CM3 , length of maxillary toothrow: from anterior cingulum of canine to posterior cingulum of M3 Australian mainland mm 78 - - 78 5 - 6 - Parnaby, …
CON Australian mainland mm 78 - - 78 14 - 15 - Parnaby, …
EAR, Ear Length, taken from the junction of outer ear margin near the jaw Australian mainland mm 100 - - 100 21 - 28 - Parnaby, …
FA Australian mainland mm 132 - - 132 31 - 38 - Parnaby, …
GL, greatest length of skull: from the most anterior extension of the premaxilla to the posterior of the lambdoidal crest Australian mainland mm 74 - - 74 15 - 16 - Parnaby, …
HB Australian mainland mm 19 - - 19 43 - 47 - Parnaby, …
INT, least inter-temporal breadth Australian mainland mm 64 - - 64 3 - 4 - Parnaby, …
M3 B, maximum breadth of M3 measured at cingula Australian mainland mm 6 - - 6 1 - 2 - Parnaby, …
M3 L, M3 length measured at cingula Australian mainland mm 6 - - 6 1 - 1 - Parnaby, …
M3-M3 , maximum breadth from left M3 to right M3 , from labial cingula Australian mainland mm 64 - - 64 5 - 7 - Parnaby, …
MAS, maximum breadth across mastoids Australian mainland mm 78 - - 78 8 - 9 - Parnaby, …
MESO, maximum internal breadth of mesopterygoid fossa level with the hamular processes Australian mainland mm 6 - - 6 1 - 2 - Parnaby, …
PAL, palatal length, from most anterior of premaxilla to most anterior extent of interpterygoid fossa Australian mainland mm 29 - - 29 6 - 7 - Parnaby, …
sinPAL, palatal-sinusal length, from the most posterior margin of the anterior palatal emargination to the most anterior margin of the interpterygoid fossa Australian mainland mm 5 - - 5 5 - 6 - Parnaby, …
WT Australian mainland g 19 - - 19 4 - 6 - Parnaby, …
ZYG, zygomatic breadth, maximum breadth across zygomatic arches Australian mainland mm 77 - - 77 9 - 10 - Parnaby, …
BMR (kJ/h) nan kJ/h - - - - - 0 - - McNab, B.…
BMR,mlO2/h nan mlO2/h 8 8 - - - 11 - - Genoud, M…
BMR,mlO2/h nan mlO2/h 6 6 - - - 10 - - Genoud, M…

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


Table 5. List of Data Sources for Nyctophilus geoffroyi.
Taxon Reference Match Status
Nyctophilus geoffroyi Turner,J., 2004, Mammals of Australia, 1: Exact Taxon match Verified - Accepted
Nyctophilus geoffroyi 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
Nyctophilus geoffroyi 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
Nyctophilus geoffroyi Nowak,R. M., 1991, Walker's mammals of the world, 1: Exact Taxon match Verified - Accepted
Nyctophilus geoffroyi Parnaby, H.E. and Helgen, K.M., 2023. Rediscovery of the long-eared bat genus Nyctophilus (Chiroptera: Vespertilionidae) in Timor and a reassessment of Nyctophilus timoriensis. Contributions to Mammalogy and Zooarchaeology of Wallacea, pp.629-652. 1: Exact Taxon match Verified - Accepted
Nyctophilus geoffroyi 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
Nyctophilus geoffroyi 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

Citation for this page: [The MammalBase community 2026. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Nyctophilus geoffroyi , Accessed 31st May 2026 at https://mammalbase.net/me/13109]