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line:xlsx:hash://sha256/181a039844a33e66a35a457b7ece741051086608e425a040051b79581d606b97!/Sheet1!/L1119	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet	N/A	N/A	N/A	Mormopterus planiceps [synonym of]	N/A	Mormopterus planiceps [synonym of]	Ozimops petersi	Ozimops petersi	Ozimops petersi	Ozimops petersi	Ozimops petersi	Ozimops petersi	Ozimops petersi	Ozimops petersi	Ozimops petersi		[HMW] Nyctinomous petersi Leche, 1884 , “ South Australia .” Ozimops petersi was considered a junior synonym of O. planiceps by O. Thomas in 1907, and has generally been treated as such except for brief periods when it was recognized as a valid species by F. Wood Jones in 1925 and R. L. Peterson in 1985, until 2014 when the name petersi was formally resurrected and a lectotype established by T. B. Reardon and colleagues who placed it in Ozimops , a newly proposed subgenus of Mormopterus and elevated to genus by S. M. Jackson and C. P. Groves in 2015. Like many Australian molossids, the taxon was informally recognized as a distinct taxon known widely as Mormopterus “species 3” between 1988 and 2014, based on the work of M. Adams and colleagues. The eastern and western populations form distinct clades that are approaching specieslevel differences. Monotypic.; [batnames2022] Distinct from planiceps ; see Reardon et al. (2014).; [MDD2022] split from O. planiceps; moved from Mormopterus to Ozimops; [IUCN] Ozimops petersi was resurrected recently from synonymy with O. (=Mormopterus ) planiceps (Reardon et al. 2014). There are two geographically and genetically distinct populations (eastern and western) that may be distinct taxonomically. Mormopterus petersi was included in the subgenus Ozimops (Reardon et al. 2014), and Ozimops was subsequently elevated to the level of genus by Jackson and Groves (2015).; [batnames2023] Distinct from planiceps ; see Reardon et al. (2014).; [MDD2023] split from O. planiceps; moved from Mormopterus to Ozimops; [MDD2025_2.0] split from O. planiceps; moved from Mormopterus to Ozimops; [batnames2025_1.7] Distinct from planiceps; see Reardon et al. (2014).; [MDD2025_2.2] split from O. planiceps; moved from Mormopterus to Ozimops														petersi	Ozimops petersi was resurrected recently from synonymy with O. (=Mormopterus ) planiceps (Reardon et al. 2014). There are two geographically and genetically distinct populations (eastern and western) that may be distinct taxonomically. Mormopterus petersi was included in the subgenus Ozimops (Reardon et al. 2014), and Ozimops was subsequently elevated to the level of genus by Jackson and Groves (2015).			petersi 	petersi 			petersi (Leche, 1884)						N/A																																								NA																											194287C9FF88BA24B484FCC5B504F726	Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions	978-84-16728-19-0	hbmw_9_Molossidae_598.pdf.imf	hash://md5/e57bffb1ffbcba10b412f760b226ffce	671	zip:hash://sha256/ec5fd314a06aba1a7b0b72f23e54ac625ae272bd98f82f1d01f4c09627d9e8e0!/treatments-xml-main/data/19/42/87/194287C9FF88BA24B484FCC5B504F726.xml	Ozimops petersi	Molossidae	Ozimops	petersi	Leche	1884	Tadaride de Peters @fr | German @en | nland-Bulldogfledermaus @en | Murciélago rabudo de Peters @es | Other common names @en | nland Mastiff Bat @en | Little Free-tailed Bat @en | Little Mastiff Bat @en	Nyctinomous petersi Leche, 1884 , “ South Australia .” Ozimops petersi was considered a junior synonym of O. planiceps by O. Thomas in 1907, and has generally been treated as such except for brief periods when it was recognized as a valid species by F. Wood Jones in 1925 and R. L. Peterson in 1985, until 2014 when the name petersi was formally resurrected and a lectotype established by T. B. Reardon and colleagues who placed it in Ozimops , a newly proposed subgenus of Mormopterus and elevated to genus by S. M. Jackson and C. P. Groves in 2015. Like many Australian molossids, the taxon was informally recognized as a distinct taxon known widely as Mormopterus “species 3” between 1988 and 2014, based on the work of M. Adams and colleagues. The eastern and western populations form distinct clades that are approaching specieslevel differences. Monotypic.	Restricted to arid areas of inland Australia S of Tropic of Capricorn, in SW Western Australia , S Northern Territory , South Australia , SW Queensland , W New South Wales , and NW Victoria ; distribution is disjunct, with Western Australian population isolated from C & E population by treeless areas of Nullarbor Plain.	Head-body 45-57 mm , tail 30-35 mm , ear 12-14 mm , forearm 32-38 mm ; weight 7-12 g . There is a clinal increase in body size from south to north. Fur is short and light gray, and phallus is small ( 5 mm or less), thus distinguishing it from most other Australian free-tailed bats with which it is sympatric. Lumsden’s Freetailed Bat ( O. lumsdenae ) also has a small phallus but is much larger in most physical attributes. Skull is very flat. The species can be distinguished from other Ozimops by having a unique combination of allozyme alleles with number of fixed differences ranging from four to eleven.	The Inland Free-tailed Batlives in some of the hottest and most arid areas of Australia , inhabiting deserts, acacia and eucalypt woodlands, chenopod shrublands, and grasslands. It is often associated with tree-lined ephemeral creeks.	Inland Free-tailed Bats have been seen taking prey on the wing, but they also land on the ground and on tree trunks to chase prey. Stomach contents included flies and winged and wingless ants. Isotope and echolocation analysis from Western Australia indicate that they forage over most habitats.	Females have been observed in late-stage pregnancy in November, and are expected to give birth to single young in late November to early December.	Supremely adapted to hot, dry climates, the Inland Free-tailed Bat has recorded the most extreme body temperature range known from any mammal, ranging from 3-3°C to 45-8°C. It uses torpor even on hot days to conserve energy and moisture, and usually uses high ambient temperatures to rouse itself passively in the evening. Its natural roosts are in tree hollows with narrow or fissured entrances;it has also been reported roosting under corrugated iron roofs. It performs swift directflight with limited maneuverability, flying fast (up to 8 m /s) above the canopy, over water or in open spaces; released bats have been observed flying several hundred meters up in the air. It has a relatively low-frequency echolocation call (26 kHz).	Inland Free-tailed Bats generally roost in small groups of fewer than ten individuals. They sometimes share roosts with other species including broad-nosed bats ( Scotorepens spp. ) and Chocolate Wattled Bats ( Chalinolobus morio ). The speciesis aggressive toward other bats, notably in aerial interactions with other bats, suggesting that it may be territorial.	Classified as Least Concern on The IUCN Red List (as Mormopterus petersi ). The Inland Free-tailed Bat has a large range and an extensive area of occupancy, and it uses a broad variety of habitats. It is presumed to have a large overall population, and is recorded regularly throughout much of its range.	Adams et al. (1988) | Bondarenco et al. (2013, 2014) | Bullen & Dunlop (2012) | Bullen & McKenzie (2004) | Jackson & Groves (2015) | Peterson (1985) | Reardon et al. (2014) | Richards, Ford & Pennay (2008) | Thomas (1907a) | Wood Jones (1925)	https://zenodo.org/record/6567956/files/figure.png	125. Inland Free-tailed Bat Ozimops petersi French: Tadaride de Peters / German: Inland-Bulldogfledermaus / Spanish: Murciélago rabudo de Peters Other common names: Inland Mastiff Bat , Little Free-tailed Bat , Little Mastiff Bat Taxonomy. Nyctinomous petersi Leche, 1884 , “ South Australia .” Ozimops petersi was considered a junior synonym of O. planiceps by O. Thomas in 1907, and has generally been treated as such except for brief periods when it was recognized as a valid species by F. Wood Jones in 1925 and R. L. Peterson in 1985, until 2014 when the name petersi was formally resurrected and a lectotype established by T. B. Reardon and colleagues who placed it in Ozimops , a newly proposed subgenus of Mormopterus and elevated to genus by S. M. Jackson and C. P. Groves in 2015. Like many Australian molossids, the taxon was informally recognized as a distinct taxon known widely as Mormopterus “species 3” between 1988 and 2014, based on the work of M. Adams and colleagues. The eastern and western populations form distinct clades that are approaching specieslevel differences. Monotypic. Distribution. Restricted to arid areas of inland Australia S of Tropic of Capricorn, in SW Western Australia , S Northern Territory , South Australia , SW Queensland , W New South Wales , and NW Victoria ; distribution is disjunct, with Western Australian population isolated from C & E population by treeless areas of Nullarbor Plain. Descriptive notes. Head-body 45-57 mm , tail 30-35 mm , ear 12-14 mm , forearm 32-38 mm ; weight 7-12 g . There is a clinal increase in body size from south to north. Fur is short and light gray, and phallus is small ( 5 mm or less), thus distinguishing it from most other Australian free-tailed bats with which it is sympatric. Lumsden’s Freetailed Bat ( O. lumsdenae ) also has a small phallus but is much larger in most physical attributes. Skull is very flat. The species can be distinguished from other Ozimops by having a unique combination of allozyme alleles with number of fixed differences ranging from four to eleven. Habitat. The Inland Free-tailed Batlives in some of the hottest and most arid areas of Australia , inhabiting deserts, acacia and eucalypt woodlands, chenopod shrublands, and grasslands. It is often associated with tree-lined ephemeral creeks. Food and Feeding. Inland Free-tailed Bats have been seen taking prey on the wing, but they also land on the ground and on tree trunks to chase prey. Stomach contents included flies and winged and wingless ants. Isotope and echolocation analysis from Western Australia indicate that they forage over most habitats. Breeding. Females have been observed in late-stage pregnancy in November, and are expected to give birth to single young in late November to early December. Activity patterns. Supremely adapted to hot, dry climates, the Inland Free-tailed Bat has recorded the most extreme body temperature range known from any mammal, ranging from 3-3°C to 45-8°C. It uses torpor even on hot days to conserve energy and moisture, and usually uses high ambient temperatures to rouse itself passively in the evening. Its natural roosts are in tree hollows with narrow or fissured entrances;it has also been reported roosting under corrugated iron roofs. It performs swift directflight with limited maneuverability, flying fast (up to 8 m /s) above the canopy, over water or in open spaces; released bats have been observed flying several hundred meters up in the air. It has a relatively low-frequency echolocation call (26 kHz). Movements, Home range and Social organization. Inland Free-tailed Bats generally roost in small groups of fewer than ten individuals. They sometimes share roosts with other species including broad-nosed bats ( Scotorepens spp. ) and Chocolate Wattled Bats ( Chalinolobus morio ). The speciesis aggressive toward other bats, notably in aerial interactions with other bats, suggesting that it may be territorial. Status and Conservation. Classified as Least Concern on The IUCN Red List (as Mormopterus petersi ). The Inland Free-tailed Bat has a large range and an extensive area of occupancy, and it uses a broad variety of habitats. It is presumed to have a large overall population, and is recorded regularly throughout much of its range. Bibliography. Adams et al. (1988), Bondarenco et al. (2013, 2014), Bullen & Dunlop (2012), Bullen & McKenzie (2004), Jackson & Groves (2015), Peterson (1985), Reardon et al. (2014), Richards, Ford & Pennay (2008), Thomas (1907a), Wood Jones (1925).	Simmons, N.B. and A.L. Cirranello. 2022B. Bat Species of the World: A taxonomic and geographic database. Accessed on 10/11/2022.	Molossidae	Ozimops petersi	Ozimops		petersi	Leche	1884	1	Proc. Zool. Soc. Lond.	######	Eastern Free-tailed Bat	None.	Australia, Queensland, Cairns	C Australia.	Not listed.	Least Concern	Distinct from planiceps ; see Reardon et al. (2014).	Mammal Diversity Database. (2023). Mammal Diversity Database (Version 1.11) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.7830771 released 15 April 2023	Ozimops petersi	23	Inland Free-tailed Bat	Inland Mastiff Bat|Little Free-tailed Bat|Little Mastiff Bat	Theria	Placentalia	Boreoeutheria	Laurasiatheria	CHIROPTERA	VESPERTILIONIFORMES	NA	NA	VESPERTILIONOIDEA	MOLOSSIDAE	MOLOSSINAE	NA	Ozimops	NA	petersi	Leche	1884	1	Nyctinomus_petersi	Leche, W. (1884). On some species of Chiroptera from Australia. Proceedings of the Zoological Society of London, 1884, 49.	https://www.biodiversitylibrary.org/item/91191#page/88/mode/1up	NR A59/1983809.3137 [lectotype]		"South Australia."			petersi (Leche, 1884)	split from O. planiceps; moved from Mormopterus to Ozimops	Reardon, T. B., McKenzie, N. L., Cooper, S. J. B., Appleton, B., Carthew, S., & Adams, M. (2014). A molecular and morphological investigation of species boundaries and phylogenetic relationships in Australian free-tailed bats Mormopterus (Chiroptera: Molossidae). Australian journal of zoology, 62(2), 109-136.|Jackson, S. M., & Groves, C. (2015). Taxonomy of Australian mammals. CSIRO Publishing, Austalia, Clayton.	Australia	Oceania	Australasia/Oceania	LC	0	0	0	Ozimops_petersi	0	unmatched	NA	1	IUCN. 2022. The IUCN Red List of Threatened Species. Version 2022-1. https://www.iucnredlist.org. Accessed on [28 September, 2022].	70000000	Ozimops petersi	ANIMALIA	CHORDATA	MAMMALIA	CHIROPTERA	MOLOSSIDAE	Ozimops	petersi	(Leche, 1884)	Ozimops petersi was resurrected recently from synonymy with O. (=Mormopterus ) planiceps (Reardon et al. 2014). There are two geographically and genetically distinct populations (eastern and western) that may be distinct taxonomically. Mormopterus petersi was included in the subgenus Ozimops (Reardon et al. 2014), and Ozimops was subsequently elevated to the level of genus by Jackson and Groves (2015).	200000000	Ozimops petersi	Least Concern		2021	2018-08-31 00:00:00 UTC	3.1	English	This species has a large extent of occurrence and area of occupancy, uses a broad range of habitats, is presumed to have a large population size, occurs in many protected areas, and is recorded regularly throughout much of its range. There is no empirical data on population trends for this species but because natural roosting and foraging habitat has been cleared or modified in many areas of its range, it is reasonable to infer that there has been an historical and continuing reduction in population size in some areas. Listed here as Least Concern but there is uncertainty about the direction, rate and magnitude of trends in population size.	Recorded localities for Ozimops petersi are from chenopod shrublands, mallee, myall, mulga, grasslands, ephemeral watercourses in desert (dunes and stoney) as a well as agricultural lands (Churchill 2008). Natural roosts are in tree hollows with narrow hole or fissured entrances. Also reported roosting under corrugated iron roofs. Forages in open spaces above the canopy or between trees but also observed foraging on the ground (Richards et al. 2008). Ozimops petersi gives birth to a single young each year in November or December.	Habitat of Ozimops petersi has ongoing threats from land clearing and degradation associated with wheat, cattle and sheep farming, plus wildfires and burning regimes that are responsible for tree hollow loss.	The population size is unknown but expected to be large, likely in excess of a million individuals. This species is recorded commonly across much of its range. Pennay et al. (2011) suggested that the species may be under-reported because usually only males are identified (based on penis morphology) but even males would have been confused with O. ridei before the taxonomic revision in 2014.	Unknown	A widespread species found in arid to semi-arid regions in the southern half of the Australian continent. There appears to be a gap in its distribution between Western Australian records and those in central and eastern Australia that coincides with a genetic disjunction between these populations (Reardon et al. 2014). The western population records are from the Coolgardie and the eastern Murchison bioregions, but understanding of the full extent of the distribution is currently limited because female Ozimops petersi and O. kitcheneri are difficult to distinguish based on their external morphology. There are many unassigned records in the Wheatbelt and Mallee bioregions of Western Australia that may be attributable to O. petersi . There are no records from the vast Nullarbor region. The eastern population has its current western extent near the South Australian/Western Australian border. The species is uncommon south of the Murray River in South Australia and Victoria. The eastern limit is not clear because O. petersi and O. ridei have been confused prior to the 2014 taxonomic revision, so many past records attributed to both species in eastern New South Wales need to be re-assessed. In addition, female O. petersi and O. planiceps are difficult to distinguish based on external morphology. Field identification of male Ozimops is more reliable because of diagnostic penile morphology (Van Dyck et al. 2013, Reardon et al. 2014). The likely eastern boundary coincides with the base of the western slopes of the Great Dividing Range. Representatives of this species in the Northern Territory are significantly larger, an observation that led them to be assigned formerly to O. lumsdenae (as O. beccarii in Milne and Pavey 2011). However, these are part of the same genetic clade as the eastern populations of O. petersi .	This species is not used in trade.	Terrestrial	<p><span lang="EN-US">No specific conservation programmes are directed at this species but it occurs in many national parks and conservation reserves.</p>	Australasian		FALSE	FALSE	Global	Simmons, N. B., & Cirranello, A. L. (2023). Batnames.org Species List Version 1.4 (1.4). Zenodo. https://doi.org/10.5281/zenodo.8136157 	Molossidae	Ozimops		petersi	Leche	1884	1	Proc. Zool. Soc. Lond.	########	Eastern Free-tailed Bat	None.	Australia, Queensland, Cairns	C Australia.	Not listed.	Least Concern	Distinct from planiceps ; see Reardon et al. (2014).	Ozimops petersi	1005252	23	Inland Free-tailed Bat	Inland Mastiff Bat|Little Free-tailed Bat|Little Mastiff Bat	Theria	Placentalia	Boreoeutheria	Laurasiatheria	CHIROPTERA	VESPERTILIONIFORMES	NA	NA	VESPERTILIONOIDEA	Molossidae	MOLOSSINAE	NA	Ozimops	NA	petersi	Leche	1884	1	Nyctinomus_petersi	Leche, W. (1884). On some species of Chiroptera from Australia. Proceedings of the Zoological Society of London, 1884, 49.	https://www.biodiversitylibrary.org/item/91191#page/88/mode/1up	NR A59/1983809.3137 [lectotype]		"South Australia."			petersi (Leche, 1884)	split from O. planiceps; moved from Mormopterus to Ozimops	Reardon, T. B., McKenzie, N. L., Cooper, S. J. B., Appleton, B., Carthew, S., & Adams, M. (2014). A molecular and morphological investigation of species boundaries and phylogenetic relationships in Australian free-tailed bats Mormopterus (Chiroptera: Molossidae). Australian journal of zoology, 62(2), 109-136.|Jackson, S. M., & Groves, C. (2015). Taxonomy of Australian mammals. CSIRO Publishing, Austalia, Clayton.				Australia	Oceania	Australasia/Oceania	LC	0	0	0	Ozimops_petersi	0	unmatched	NA	1	Burgin, C. J., Zijlstra, J. S., Becker, M. A., Handika, H., Alston, J. M., Widness, J., Liphardt, S., Huckaby, D. G., and Upham, N. S. (2025). How many mammal species are there now? Updates and trends in taxonomic, nomenclatural, and geographic knowledge. Journal of Mammalogy in revision: TBD. https://doi.org/10.1101/2025.02.27.640393	Ozimops_petersi	1005252	23	Inland Free-tailed Bat	Inland Mastiff Bat|Little Free-tailed Bat|Little Mastiff Bat	Theria	Placentalia	Boreoeutheria	Laurasiatheria	Chiroptera	Yangochiroptera	NA	NA	Vespertilionoidea	Molossidae	Molossinae	NA	Ozimops	NA	petersi	Leche	1	Nyctinomus petersi	Leche, W. 1884-06. On some species of Chiroptera from Australia. Proceedings of the Zoological Society of London 1884(1):49-54.	https://www.biodiversitylibrary.org/page/28689888	NHRM A59/1983809.3137	lectotype		"South Australia."			split from O. planiceps; moved from Mormopterus to Ozimops	Reardon, T. B., McKenzie, N. L., Cooper, S. J. B., Appleton, B., Carthew, S., & Adams, M. (2014). A molecular and morphological investigation of species boundaries and phylogenetic relationships in Australian free-tailed bats Mormopterus (Chiroptera: Molossidae). Australian journal of zoology, 62(2), 109-136.|Jackson, S. M., & Groves, C. (2015). Taxonomy of Australian mammals. CSIRO Publishing, Austalia, Clayton.				Australia	Oceania (Continent)	Australasia	LC	0	0	0	Ozimops_petersi	0	unmatched	NA	1	Simmons, N. B., & Cirranello, A. L. (2025). Batnames.org Species List Version 1.7 (1.7). Zenodo. https://doi.org/10.5281/zenodo.14796586	Molossidae	Ozimops		petersi	Leche	1884	1	Proc. Zool. Soc. Lond.	########	Eastern Free-tailed Bat	None.	Australia, Queensland, Cairns	C Australia.	<a href='https://cites.org/eng/app/appendices.php' target='_blank'>Not Listed</a>	<a href='https://www.iucnredlist.org/species/71534469/209554228/' target='_blank'>Least Concern</a>	Distinct from planiceps; see Reardon et al. (2014).		Mammal Diversity Database. (2025). Mammal Diversity Database (Version 2.2) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.15007505	NA	Ozimops petersi; Ozimops petersi; Ozimops petersi; Ozimops petersi; Ozimops petersi; petersi; Tadaride de Peters; German; nland-Bulldogfledermaus; Murciélago rabudo de Peters; Other common names; nland Mastiff Bat; Little Free-tailed Bat; Little Mastiff Bat; Inland Free-tailed Bat; Inland Mastiff Bat; Little Free-tailed Bat; Little Mastiff Bat; Eastern Free-tailed Bat; O. petersi