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line:xlsx:hash://sha256/181a039844a33e66a35a457b7ece741051086608e425a040051b79581d606b97!/Sheet1!/L1255	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet	N/A	N/A	N/A	Pteropus aldabrensis	Pteropus seychellensis aldabrensis	Pteropus aldabrensis	Pteropus aldabrensis	Pteropus aldabrensis	Pteropus aldabrensis	Pteropus aldabrensis	Pteropus aldabrensis	Pteropus aldabrensis	Pteropus aldabrensis	Pteropus aldabrensis	Pteropus aldabrensis		[MSW2] Included in P. seychellensis by Hill (19716), but see Bergmans (1990).; [MSW3] niger species group. Included in seychellensis by Hill (1971b), but see Bergmans (1990).; [HMW] Pteropus aldabrensis True, 1893 , “Aldabra Island,” Seychelle Islands. Pteropus aldabrensis is in the vampyrus group. It is a valid species following W. Bergmans in 1991 but often included in seychellensis Or even In a superspecies comprising most Indian Ocean Pteropus . Monotypic.; [batnames2022]  vampyrus species group; see Almeida et al. (2014). Included in seychellensis by Hill (1971b), but see Bergmans (1990).; [IUCN] Bergmans (1990) has shown that this taxon differs more strongly from Pteropus seychellensis than formerly assumed. We follow Simmons (2005) in recognising P. aldabrensis as a distinct species.; [batnames2023]  vampyrus species group; see Almeida et al. (2014). Included in seychellensis by Hill (1971b), but see Bergmans (1990).; [batnames2025_1.7] vampyrusspecies group; see Almeida et al. (2014). Included in seychellensis by Hill (1971b), but see Bergmans (1990).														aldabrensis	Bergmans (1990) has shown that this taxon differs more strongly from Pteropus seychellensis than formerly assumed. We follow Simmons (2005) in recognising P. aldabrensis as a distinct species.			aldabrensis 	aldabrensis, aldabrabensis			aldabrensis F. W. True, 1893|aldabrabensis Honacki, Kinman, & Koeppl, 1982 [incorrect subsequent spelling | not used as valid]						N/A										Koopman, K.F. 1993. Order Chiroptera. Pp. 137–242 in Wilson, D.E. and Reeder, D.M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference. Second edition. Smithsonian Institution Press, Washington, 1206 pp.	True	1893	Proc. U.S. Natl. Mus., 16:533.	Included in P. seychellensis by Hill (19716), but see Bergmans (1990).	Known only from the type locality.	Seychelles, Aldabra Isl.																								NA			Don E. Wilson & DeeAnn M. Reeder (editors). 2005. Mammal Species of the World. A Taxonomic and Geographic Reference (3rd ed), Johns Hopkins University Press, 2,142 pp. (Available from Johns Hopkins University Press, 1-800-537-5487 or (410) 516-6900, or at http://www.press.jhu.edu).	CHIROPTERA	Pteropodidae			Pteropus aldabrensis	Pteropus		aldabrensis	TRUE		1893		Proc. U.S. Natl. Mus.	16		533		Aldabra Flying Fox	Seychelles, Aldabra Isl.	Known only from the type locality.	CITES – Appendix II. IUCN/SSC Action Plan (1992) – Vulnerable: Limited Distribution as P. seychellensis aldabrensis. IUCN 2003 – Vulnerable.		niger species group. Included in seychellensis by Hill (1971b), but see Bergmans (1990).	03AD87FAFF92F67D89AC3F9DFB70FBD3	Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions	978-84-16728-19-0	hbmw_9_Pteropodidae_16.pdf.imf	hash://md5/ff94ff82ffc4f62a891e341cffa5ff9b	159	zip:hash://sha256/ec5fd314a06aba1a7b0b72f23e54ac625ae272bd98f82f1d01f4c09627d9e8e0!/treatments-xml-main/data/03/AD/87/03AD87FAFFA1F64F8C7135E8F900F664.xml	Pteropus aldabrensis	Pteropodidae	Pteropus	aldabrensis	TRUE	1893	Roussette d'Aldabra @fr | Aldabra-Flughund @de | Zorro volador de Aldabra @es	Pteropus aldabrensis True, 1893 , “Aldabra Island,” Seychelle Islands. Pteropus aldabrensis is in the vampyrus group. It is a valid species following W. Bergmans in 1991 but often included in seychellensis Or even In a superspecies comprising most Indian Ocean Pteropus . Monotypic.	Seychelles Is (Aldabra Atoll).	Head-body 184-— 189 mm (tailless), ear 24-28 mm , hindfoot 43 mm , forearm 128-141 mm ; weight 257-395 g . Snout of the Aldabra Flying Fox is grayish brown; head is primarily bright yellowish ocher; two small eyebrow dark spots (for superciliary vibrissae) occur between eyes; eyes are large, with dark brown irises; and ears are dark, relatively large, and pointed. Chin and throat are dark brown; cheeks are pale yellow, with scattered whitish hairs; crown, occiput, and area between eyes and temporal region have bright ocherous yellowish fur. Mantle is orange-buff, tinted with ocherous-rufous color, ending posteriorly in transverse band of ocherous buff, shading to deep orange-brown on sides of neck and fore neck. Back is greenish gray-brown, sprinkled with silvery grayish white hairs, especially along wing membranes; hairs are bicolored, with pale grayish bases and light gray-brown to wood-brown and exceptionally blackish tips; mid-dorsal hairs are 21 mm long; hairs on forearm are mars-brown; tibia is furred on proximal one-half and sparsely haired on distal one-half. Chest and belly are ocherous brown, with hints of buffy yellow; flanks are similar or slightly paler; and hair bases are grayish seal-brown, and tips are orange-brown. Genitals are contrastingly dark. Wings are blackish dark brown, with claw on second digit. Skull is relatively small and gracile but otherwise typical pteropine. Dentition is typical pteropine.	Dry scrub and dry woodlands.	Diet of the Aldabra Flying Fox includes fruits of Calophyllum ( Calophyllaceae ), Mystroxylon ( Celastraceae ), Terminalia ( Combretaceae ), and Ficus ( Moraceae ); flowers of Agave ( Asparagaceae ) and Cocos ( Arecaceae ); and foliage of Avicennia ( Acanthaceae ). Coccoids (Icerya seychellarum) are licked from leaves of infested Ficus trees, probably to supplement diet with honeydew produced by the insects.	Mating of the Aldabra Flying Fox is observed in March,June, and October— November, but females with young have only been reported in December—January.	The Aldabra Flying Fox spends the day roosting in coconut palms and trees and leaves to feed at dusk. Roosts have been found in Casuarina ( Casuarinaceae ) trees, mangrove stands, and coconut and coco plantations.	The Aldabra Flying Fox apparently roosts scattered among trees or palms. It flies between major islands of the atoll.	CITES Appendix II. Classified as Vulnerable on The IUCN Red List. The Aldabra Flying Fox occurs in one locality of ¢. 150 km * and faces threats from climate change resulting in rising sea levels (60% of atoll is less than 1 m above sea level) and increased risk of cyclones. The Aldabra Atoll is a UNESCO World Heritage Site and a reserve under the Seychelles National Parks and Nature Conservancy Act.	Almeida et al. (2014) | Andersen (1912b) | Bergmans (1991) | von Brandis (2004) | Hill (1971a) | Hutson (2004) | Mickleburgh, Hutson, Bergmans, Howell & Gerlach (2008) | O'Brien et al. (2009) | Roberts & Seabrook (1989) | True (1893)		183. Aldabra Flying Fox Pteropus aldabrensis French: Roussette d'Aldabra / German: Aldabra-Flughund / Spanish: Zorro volador de Aldabra Taxonomy. Pteropus aldabrensis True, 1893 , “Aldabra Island,” Seychelle Islands. Pteropus aldabrensis is in the vampyrus group. It is a valid species following W. Bergmans in 1991 but often included in seychellensis Or even In a superspecies comprising most Indian Ocean Pteropus . Monotypic. Distribution. Seychelles Is (Aldabra Atoll). Descriptive notes. Head-body 184-— 189 mm (tailless), ear 24-28 mm , hindfoot 43 mm , forearm 128-141 mm ; weight 257-395 g . Snout of the Aldabra Flying Fox is grayish brown; head is primarily bright yellowish ocher; two small eyebrow dark spots (for superciliary vibrissae) occur between eyes; eyes are large, with dark brown irises; and ears are dark, relatively large, and pointed. Chin and throat are dark brown; cheeks are pale yellow, with scattered whitish hairs; crown, occiput, and area between eyes and temporal region have bright ocherous yellowish fur. Mantle is orange-buff, tinted with ocherous-rufous color, ending posteriorly in transverse band of ocherous buff, shading to deep orange-brown on sides of neck and fore neck. Back is greenish gray-brown, sprinkled with silvery grayish white hairs, especially along wing membranes; hairs are bicolored, with pale grayish bases and light gray-brown to wood-brown and exceptionally blackish tips; mid-dorsal hairs are 21 mm long; hairs on forearm are mars-brown; tibia is furred on proximal one-half and sparsely haired on distal one-half. Chest and belly are ocherous brown, with hints of buffy yellow; flanks are similar or slightly paler; and hair bases are grayish seal-brown, and tips are orange-brown. Genitals are contrastingly dark. Wings are blackish dark brown, with claw on second digit. Skull is relatively small and gracile but otherwise typical pteropine. Dentition is typical pteropine. Habitat. Dry scrub and dry woodlands. Food and Feeding. Diet of the Aldabra Flying Fox includes fruits of Calophyllum ( Calophyllaceae ), Mystroxylon ( Celastraceae ), Terminalia ( Combretaceae ), and Ficus ( Moraceae ); flowers of Agave ( Asparagaceae ) and Cocos ( Arecaceae ); and foliage of Avicennia ( Acanthaceae ). Coccoids (Icerya seychellarum) are licked from leaves of infested Ficus trees, probably to supplement diet with honeydew produced by the insects. Breeding. Mating of the Aldabra Flying Fox is observed in March,June, and October— November, but females with young have only been reported in December—January. Activity patterns. The Aldabra Flying Fox spends the day roosting in coconut palms and trees and leaves to feed at dusk. Roosts have been found in Casuarina ( Casuarinaceae ) trees, mangrove stands, and coconut and coco plantations. Movements, Home range and Social organization. The Aldabra Flying Fox apparently roosts scattered among trees or palms. It flies between major islands of the atoll. Status and Conservation. CITES Appendix II. Classified as Vulnerable on The IUCN Red List. The Aldabra Flying Fox occurs in one locality of ¢. 150 km * and faces threats from climate change resulting in rising sea levels (60% of atoll is less than 1 m above sea level) and increased risk of cyclones. The Aldabra Atoll is a UNESCO World Heritage Site and a reserve under the Seychelles National Parks and Nature Conservancy Act. Bibliography. Almeida et al. (2014), Andersen (1912b), Bergmans (1991), von Brandis (2004), Hill (1971a), Hutson (2004), Mickleburgh, Hutson, Bergmans, Howell & Gerlach (2008), O'Brien et al. (2009), Roberts & Seabrook (1989), True (1893).	Simmons, N.B. and A.L. Cirranello. 2022B. Bat Species of the World: A taxonomic and geographic database. Accessed on 10/11/2022.	Pteropodidae	Pteropus aldabrensis	Pteropus		aldabrensis	TRUE	1893	0	Proc. U.S. Natl. Mus.	1.0368	Aldabra Flying Fox	None.	Seychelles, Aldabra Isl.	Known only from the type locality.	Appendix II	Endangered	 vampyrus species group; see Almeida et al. (2014). Included in seychellensis by Hill (1971b), but see Bergmans (1990).	Mammal Diversity Database. (2023). Mammal Diversity Database (Version 1.11) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.7830771 released 15 April 2023	Pteropus aldabrensis	23	Aldabra Flying Fox		Theria	Placentalia	Boreoeutheria	Laurasiatheria	CHIROPTERA	PTEROPODIFORMES	NA	NA	PTEROPODOIDEA	PTEROPODIDAE	PTEROPODINAE	PTEROPODINI	Pteropus	NA	aldabrensis	F. W. True	1893	0	Pteropus_aldabrensis	True, F. W. (1893). Description of a New Species of Fruit Bat, Pteropus aldabrensis, from Aldabra Island. Proceedings of the United States National Museum, 16, 1.	https://repository.si.edu/bitstream/handle/10088/13306/USNMP-16_948_1893.pdf?sequence=1&isAllowed=y	USNM 20984/36053, USNM 20985/36054 [syntypes]		"Aldabra Island," Seychelle Islands.			aldabrensis F. W. True, 1893	NA	NA	Seychelles	Africa	Afrotropic	EN	0	0	0	Pteropus_aldabrensis	0	sciname match	Pteropus_aldabrensis	0	IUCN. 2022. The IUCN Red List of Threatened Species. Version 2022-1. https://www.iucnredlist.org. Accessed on [28 September, 2022].	18714	Pteropus aldabrensis	ANIMALIA	CHORDATA	MAMMALIA	CHIROPTERA	PTEROPODIDAE	Pteropus	aldabrensis	True, 1893	Bergmans (1990) has shown that this taxon differs more strongly from Pteropus seychellensis than formerly assumed. We follow Simmons (2005) in recognising P. aldabrensis as a distinct species.	20000000	Pteropus aldabrensis	Endangered	B1ab(i,ii,iii)+2ab(i,ii,iii); D	2020	2019-07-24 00:00:00 UTC	3.1	English	Pteropus aldabrensis is listed as Endangered under criteria B1ab(i,ii,iii) and D because 100% of its global population is known from only a single location and population (Aldabra Atoll). It has an extent of occurrence (EOO) of 374 km² and an even smaller area of occupancy (the Aldabra Atoll has a land area of 155.4 km²). The number of mature individuals is estimated to be 200-250 bats (assuming a stable population since 1968). The average height above sea level on the atoll is 8 meters. The increasing impacts and risk of climate change, from stochastic events due to increased frequency of major storms and the loss, shifting habitats and rainfall patterns, and degradation of important roost and foraging habitat due to sea-level rise is projected to increase over the next 16.2 years (two generations; generation length = 8.1 years, Pacifici et al. 2013).	Pteropus aldabrensis has been recorded from dry scrub habitats in the south and dry woodland habitat in the north of Grande Terre Island (111 km²). This island comprises roughly two thirds of Aldabra Atoll and while much of it is unsuitable for roosting, bats can forage where there is suitable shrubland (Hutson pers. comm. 2008). Populations have been recorded roosting in Casuarina trees, mangrove stands, coconut, and cocoa plantations (Hutson 2004, von Brandis 2004). Mating has been observed in March, June, October, and November while females carrying young have only been recorded in December and January (Hutson 2004). Systemic research is needed to fully elucidate reproduction seasons and how it may vary among years based on environmental conditions. As summarised by Hutson (2004) and von Brandis (2004), food plants include the fruits of Ficus lutea , F. rubra (as F. avi-avi ) and F. reflexa , Calophyllum inophyllum , Terminalia catappa , Mystroxylon aethiopicum , Flacourtia indica , Apodytes dimidiata , Pandanus sp., Terminalia bovinii , flowers and nuts of Cocos nucifera and Agave sisalana (an invasive species that has now been eradicated), the foliage of Avicennia marina , and even honeydew produced by infestations of the coccoid Icerya seychellarum on Ficus lutea . They are a core species in Aldabra’s seed dispersal network and are the only species other than giant tortoises capable of dispersing very large fruits (Falcon, 2018). The bats are reported to be often mobbed by birds including pied crows (Coruvs albus ), the Aldabra Drongo (Dicrurus aldabranus ), frigate birds (Fregatta spp.), and the Madagascar Kestrel (Falco madagascariensis ) (von Brandis 2004, Cheke and Dahl 1981).	The limited historic population data, and with no current population data, the global population is assumed to be relatively stable since 1968 based on Hutson’s (2004) evaluation. However, as it is a range-restricted species, it is considered to be especially vulnerable to threats emerging from climate change including stronger tropical cyclones as well as sea-level rise. Climate change is projected to result in the degradation and loss of the limited foraging and roosting habitat available to the bats. As of 2019, research is underway to model land area and habitat changes under different scenarios of sea level rise. Invasive species have been and continue to be a significant threat to island habitats. Research and control measures are needed to mitigate negative impacts.	The historic global population is reported to consist of only a few hundred animals (Cheke and Dahl 1981, Carrol 1985). No major colonies were located in 1968 with the largest roosting group on the small lagoon islet of Ile Michel that was probably well under 100 animals (Hutson 2004). There were fewer than 250 adult animals estimated in 1968 and the majority of the population was likely located on the relatively little explored Malabar Island (26 km²) (Hutson 2004). In 1968 the largest group of fewer than 100 bats were dispersed among coconut palms on the small lagoon islet of Ile Michel (A.M. Hutson, pers. obs.). Von Brandis (2004) reports that groups of 40-50 bats have been recorded in Casuarina trees, with the largest group of more than 100 animals reported at the eastern end of Malabar Island in 1995. Conrad Savy (pers. comm. 2008) indicates that the bats were commonly seen in good numbers during 2001. A quality estimate of the global population is lacking as past efforts reflect anecdotes from larger roosts across several years and do not account for the tendency of the bats to move among roosts and disperse into smaller groups. A robust, repeatable, and sustainable monitoring program is needed to inform conservation and management of this range-restricted species. Given the paucity of historic population data and no current estimates, this assessment assumes a stable global population of 200-250 adult animals since 1968 based on Hutson’s (2004) evaluation with a projected future decline due to habitat loss associated with sea level rise and other climate change impacts.	Stable	This species is endemic to Aldabra Atoll (155.4 km²) in the Seychelles. Bats have been recorded from all four main islands of Aldabra, plus the smaller islet of Ile Michel, and have been observed flying between islands of the atoll (Hutson 2004, von Brandis 2004).	There is no history of Pteropus aldabrensis being hunted for food or traded. The species is listed under CITES Appendix II.	Terrestrial	Currently, Pteropus aldabrensis is not directly protected in the Republic of Seychelles. However, it is listed on CITES Appendix II. Further, Aldabra Atoll is a highly protected UNESCO World Heritage site and a Special Reserve under the Seychelles National Parks and Nature Conservancy Act (Mickleburgh et al. 1991, Hutson 2004). It is effectively managed by the Seychelles Islands Foundation that has a number of conservation initiatives underway. Currently, there are no initiatives underway to specifically and directly address the needs of P. aldabrensis , although some initiatives likely provide both direct and indirect benefits. Consideration should be given to provide the species legal protection. Fundamental research is needed on the species ecology, how the bats use the different islands/habitats within Aldabra Atoll, its life history, population status, effective population size through research into the species genetics, trends through time. A robust yet viable monitoring program is needed to provide important management guidance and to ensure the population is sustainable. Research is also needed into the impacts of invasive species and implications from climate change and sea level rise.	Afrotropical		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 	Pteropodidae	Pteropus		aldabrensis	TRUE	1893	0	Proc. U.S. Natl. Mus.	1.036806	Aldabra Flying Fox	None.	Seychelles, Aldabra Isl.	Known only from the type locality.	Appendix II	Endangered	 vampyrus species group; see Almeida et al. (2014). Included in seychellensis by Hill (1971b), but see Bergmans (1990).	Pteropus aldabrensis	1004449	23	Aldabra Flying Fox		Theria	Placentalia	Boreoeutheria	Laurasiatheria	CHIROPTERA	PTEROPODIFORMES	NA	NA	PTEROPODOIDEA	Pteropodidae	PTEROPODINAE	PTEROPODINI	Pteropus	NA	aldabrensis	F. W. True	1893	0	Pteropus_aldabrensis	True, F. W. (1893). Description of a New Species of Fruit Bat, Pteropus aldabrensis, from Aldabra Island. Proceedings of the United States National Museum, 16, 1.	https://repository.si.edu/bitstream/handle/10088/13306/USNMP-16_948_1893.pdf?sequence=1&isAllowed=y	USNM 20984/36053, USNM 20985/36054 [syntypes]		"Aldabra Island," Seychelle Islands.			aldabrensis F. W. True, 1893	NA	NA				Seychelles	Africa	Afrotropic	EN	0	0	0	Pteropus_aldabrensis	0	sciname match	Pteropus_aldabrensis	0	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	Pteropus_aldabrensis	1004449	23	Aldabra Flying Fox		Theria	Placentalia	Boreoeutheria	Laurasiatheria	Chiroptera	Yinpterochiroptera	NA	NA	Pteropodoidea	Pteropodidae	Pteropodinae	Pteropodini	Pteropus	NA	aldabrensis	F. W. True	0	Pteropus aldabrensis	True, F.W. 1893-07-14. Description of a new species of fruit bat, _Pteropus aldabrensis_, from Aldabra Island. Proceedings of the United States National Museum 16(948):533-534.	https://www.biodiversitylibrary.org/page/15780873	USNM:MAMM:20984 (= USNM:MAMM:A36053), USNM:MAMM:20985 (= USNM:MAMM:A36054)	syntypes	http://n2t.net/ark:/65665/336e5b0a0-a83c-45df-9701-a18b8d22a098 | http://n2t.net/ark:/65665/3acd402e3-1896-429f-8a20-2f1548db9434	"Aldabra Island," Seychelle Islands.			NA	NA				Seychelles	Africa	Afrotropic	EN	0	0	0	Pteropus_aldabrensis	0	sciname match	Pteropus_aldabrensis	0	Simmons, N. B., & Cirranello, A. L. (2025). Batnames.org Species List Version 1.7 (1.7). Zenodo. https://doi.org/10.5281/zenodo.14796586	Pteropodidae	Pteropus		aldabrensis	TRUE	1893	0	Proc. U.S. Natl. Mus.	1.036806	Aldabra Flying Fox	None.	Seychelles, Aldabra Isl.	Known only from the type locality.	<a href='https://cites.org/eng/app/appendices.php' target='_blank'>Appendix II</a>	<a href='https://www.iucnredlist.org/species/18714/22079192/' target='_blank'>Endangered</a>	vampyrusspecies group; see Almeida et al. (2014). Included in seychellensis by Hill (1971b), but see Bergmans (1990).		Mammal Diversity Database. (2025). Mammal Diversity Database (Version 2.2) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.15007505	NA	Pteropus aldabrensis; Pteropus aldabrensis; Pteropus aldabrensis; Pteropus aldabrensis; Pteropus aldabrensis; Pteropus aldabrensis; aldabrensis; Roussette d'Aldabra; Aldabra-Flughund; Zorro volador de Aldabra; Aldabra Flying Fox; Aldabra Flying Fox; Aldabra Flying Fox; P. aldabrensis