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line:xlsx:hash://sha256/181a039844a33e66a35a457b7ece741051086608e425a040051b79581d606b97!/Sheet1!/L290	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet	Eptesicus guadeloupensis	Eptesicus guadeloupensis	Eptesicus guadeloupensis	N/A	Eptesicus guadeloupensis	Eptesicus guadeloupensis	Eptesicus guadeloupensis	Eptesicus guadeloupensis	Eptesicus guadeloupensis	Eptesicus guadeloupensis	Eptesicus fuscus guadeloupensis	Eptesicus fuscus [synonym of]	Eptesicus dutertreus [synonym of]	 	Eptesicus dutertreus dutertreus [synonym of]		[MSW3] Subgenus Eptesicus. Probably closely related to fuscus.; [HMW] Eptesicus guadeloupensis Genoways & R. J. Baker, 1975 , “from 2 km . S, 2 km . E Baie-Mahault, Basse Terre, Guadeloupe ,” Lesser Antilles. Eptesicus guadeloupensis seems to be closely related to E. fuscus , but it is visibly larger. Monotypic.; [batnames2022] Subgenus Eptesicus .  Probably closely related to fuscus .; [IUCN] Probably closely related to fuscus .														guadeloupensis G	Probably closely related to fuscus .									Corbet, G.B. and Hill, J.E. 1980. A World List of Mammalian Species. British Museum (Natural History), London, 226 pp.			Honacki, J.H., Kinman, K.E. and Koeppl, J.W. 1982. Mammal Species of the World: A Taxonomic and Geographic Reference. Allen Press, Lawrence, 694 pp.	Eptesicus guadeloupensis	Guadeloupe (Lesser Antilles), Basse Terre, 2 km S. and 2 km E. BaiaeMahault (France).	Genoways and Baker	1975	Occas. Pap. Mus. Texas Tech Univ., 34:1.	Distribution: Confined to Guadeloupe in the Lesser Antilles.		Corbet, G.B. and Hill, J.E. 1991. A World List of Mammalian Species. Third edition. Oxford University Press, London, 243 pp. ISBN 0-19-854017-5											GENOWAYS & BAKER	1975	Rostrum relatively long and fairly narrow. Inner upper incisor apparently unicuspid. Last upper molar not reduced. Braincase fairly high. Ear and tibia relatively long. Size relatively large (forearm length, 49-52 mm).	Distribution: Confined to Guadeloupe in the Lesser Antilles.	No subspecies.		120	species	E. guadeloupensis	GENOWAYS & BAKER	1975	Eptesicus	subgenus	Eptesicus guadeloupensis				Rostrum relatively long and fairly narrow. Inner upper incisor apparently unicuspid. Last upper molar not reduced. Braincase fairly high. Ear and tibia relatively long. Size relatively large (forearm length, 49-52 mm).	No subspecies.		11. E. guadeloupensis GENOWAYS & BAKER 1975 [serotinus group].	11				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	Vespertilionidae	Vespertilioninae	Eptesicini	Eptesicus guadeloupensis	Eptesicus	Eptesicus	guadeloupensis	Genoways and Baker		1975		Occas. Pap. Mus. Texas Tech Univ.	34		1		Guadeloupean Big Brown Bat	Guadeloupe (Lesser Antilles), Basse Terre, 2 km S and 2 km E Baiae-Mahault (France).	Guadeloupe (Lesser Antilles).	IUCN 2003 and IUCN/SSC Action Plan (2001) – Endangered.		Subgenus Eptesicus. Probably closely related to fuscus.	4C3D87E8FFAE6A12FA8B9B531CE9BDDE	Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions	978-84-16728-19-0	hbmw_9_Vespertilionidae_716.pdf.imf	hash://md5/b004ff90fffb6a44fffc96591e00bb32	843	zip:hash://sha256/ec5fd314a06aba1a7b0b72f23e54ac625ae272bd98f82f1d01f4c09627d9e8e0!/treatments-xml-main/data/4C/3D/87/4C3D87E8FFAE6A12FA8B9B531CE9BDDE.xml	Eptesicus guadeloupensis	Vespertilionidae	Eptesicus	guadeloupensis	Genoways & R. J. Baker		Sérotine de Guadeloupe @fr | Guadeloupe-Breitfligelfledermaus @de | Eptesicus de Guadalupe @es | Guadeloupe Big Brown Bat @en | Guadeloupean Big Brown Bat @en	Eptesicus guadeloupensis Genoways & R. J. Baker, 1975 , “from 2 km . S, 2 km . E Baie-Mahault, Basse Terre, Guadeloupe ,” Lesser Antilles. Eptesicus guadeloupensis seems to be closely related to E. fuscus , but it is visibly larger. Monotypic.	Basse-Terre I, Guadeloupe (Lesser Antilles).	Head-body ¢.73-75 mm, tail 54-60 mm, ear 22-5-24 mm, hindfoot 11-14 mm, forearm 49-6-51-1 mm. Females are larger than males. The Guadeloupe Serotine is the largest species of New World Eptesicus . Dorsal hairs are bicolored, with black bases and dark chocolate-brown tips; ventral hairs have black bases and dark buff to whitish tips. Ears are noticeably large. Membranes are black. Tibia is long. Skull is large and similar to the Big Brown Bat ( FE. fuscus ) but proportionally longer and narrowerthan in latter. Chromosomal complement has 2n = 50 and FN = 48, with acrocentric autosomes and Y-chromosome and submetacentric X-chromosome.	Humid forests and gallery forests from sea level up to elevations of ¢. 300 m . The Guadeloupe Serotine has been captured in open fields near forest edges.	The Guadeloupe Serotine is insectivorous. It forages along forest edges and above forests. Coleopterans are known to occur in diets.	One post-lactating Guadeloupe Serotine was captured in late July.	The Guadeloupe Serotine seems to roost in hollow trees in gallery forests. Abundance of populations possibly increases and decreases in annual cycles, which might be related to prey cycles. Echolocation calls have FM components that sweep down from 45-50 kHz to ¢.25 kHz. Pulseslast ¢.10 milliseconds, and frequencies of maximum energy are 25-30 kHz.	No information.	Classified as Endangered on The IUCN Red List. The Guadeloupe Serotine is known from less than five locations and has an extent of occurrence smaller than 850 km ®. Populations seem to be small, and recent broad acoustic surveys obtained very few records of it. Major threats include habitat decline due to human actvities, tropical hurricanes, and introduction of exotic species such as rats, mice, and mongooses. Conservation actions include research on abundance cycles, echolocation monitoring, and protection of potential habitats (humid and gallery forests).	Baker, Genoways & Patton (1978) | Barataud (2016) | Barataud & Giosa (2013b) | Barataud et al. (2015) | Genoways & Baker (1975) | Simmons (2005)	https://zenodo.org/record/6398186/files/figure.png	179. Guadeloupe Serotine Eptesicus guadeloupensis French: Sérotine de Guadeloupe / German: Guadeloupe-Breitfligelfledermaus / Spanish: Eptesicus de Guadalupe Other common names: Guadeloupe Big Brown Bat , Guadeloupean Big Brown Bat Taxonomy. Eptesicus guadeloupensis Genoways & R. J. Baker, 1975 , “from 2 km . S, 2 km . E Baie-Mahault, Basse Terre, Guadeloupe ,” Lesser Antilles. Eptesicus guadeloupensis seems to be closely related to E. fuscus , but it is visibly larger. Monotypic. Distribution. Basse-Terre I, Guadeloupe (Lesser Antilles). Descriptive notes. Head-body ¢.73-75 mm, tail 54-60 mm, ear 22-5-24 mm, hindfoot 11-14 mm, forearm 49-6-51-1 mm. Females are larger than males. The Guadeloupe Serotine is the largest species of New World Eptesicus . Dorsal hairs are bicolored, with black bases and dark chocolate-brown tips; ventral hairs have black bases and dark buff to whitish tips. Ears are noticeably large. Membranes are black. Tibia is long. Skull is large and similar to the Big Brown Bat ( FE. fuscus ) but proportionally longer and narrowerthan in latter. Chromosomal complement has 2n = 50 and FN = 48, with acrocentric autosomes and Y-chromosome and submetacentric X-chromosome. Habitat. Humid forests and gallery forests from sea level up to elevations of ¢. 300 m . The Guadeloupe Serotine has been captured in open fields near forest edges. Food and Feeding. The Guadeloupe Serotine is insectivorous. It forages along forest edges and above forests. Coleopterans are known to occur in diets. Breeding. One post-lactating Guadeloupe Serotine was captured in late July. Activity patterns. The Guadeloupe Serotine seems to roost in hollow trees in gallery forests. Abundance of populations possibly increases and decreases in annual cycles, which might be related to prey cycles. Echolocation calls have FM components that sweep down from 45-50 kHz to ¢.25 kHz. Pulseslast ¢.10 milliseconds, and frequencies of maximum energy are 25-30 kHz. Movements, Home range and Social organization. No information. Status and Conservation. Classified as Endangered on The IUCN Red List. The Guadeloupe Serotine is known from less than five locations and has an extent of occurrence smaller than 850 km ®. Populations seem to be small, and recent broad acoustic surveys obtained very few records of it. Major threats include habitat decline due to human actvities, tropical hurricanes, and introduction of exotic species such as rats, mice, and mongooses. Conservation actions include research on abundance cycles, echolocation monitoring, and protection of potential habitats (humid and gallery forests). Bibliography. Baker, Genoways & Patton (1978), Barataud (2016), Barataud & Giosa (2013b), Barataud et al. (2015), Genoways & Baker (1975), Simmons (2005).	Simmons, N.B. and A.L. Cirranello. 2022B. Bat Species of the World: A taxonomic and geographic database. Accessed on 10/11/2022.	Vespertilionidae	Eptesicus guadeloupensis	Eptesicus	Eptesicus	guadeloupensis	Genoways & Baker	1975	0	Occas. Pap. Mus. Texas Tech Univ.	######	Guadeloupean Big Brown Bat	None.	Guadeloupe (Lesser Antilles), Basse Terre, 2 km S and 2 km E Baiae-Mahault (France).	Guadeloupe (Lesser Antilles).	Not listed.	Endangered	Subgenus Eptesicus .  Probably closely related to fuscus .		Eptesicus guadeloupensis	23	Guadeloupe Serotine	Guadeloupe Big Brown Bat|Guadeloupean Big Brown Bat	Theria	Placentalia	Boreoeutheria	Laurasiatheria	CHIROPTERA	VESPERTILIONIFORMES	NA	NA	VESPERTILIONOIDEA	VESPERTILIONIDAE	VESPERTILIONINAE	EPTESICINI	Eptesicus	Eptesicus	guadeloupensis	Genoways & R. J. Baker	1975	0	Eptesicus_guadeloupensis	Genoways, H. H. & Baker, R. J. (1975). A new species of Eptesicus from Guadeloupe, Lesser Antilles (Chiroptera: Vespertilionidae). Occasional Papers, the Museum of Texas Tech University, 34, 1.	https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1189&context=museummammalogy	TTU 19902		"from 2 km. S, 2 km. E Baie-Mahault, Basse Terre, Guadeloupe," Lesser Antilles.			guadeloupensis Genoways & R. J. Baker, 1975	NA	NA	Guadeloupe	North America	Neotropic	EN	0	0	0	Eptesicus_guadeloupensis	0	sciname match	Eptesicus_guadeloupensis	0	IUCN. 2022. The IUCN Red List of Threatened Species. Version 2022-1. https://www.iucnredlist.org. Accessed on [28 September, 2022].	7929	Eptesicus guadeloupensis	ANIMALIA	CHORDATA	MAMMALIA	CHIROPTERA	VESPERTILIONIDAE	Eptesicus	guadeloupensis	Genoways &; Baker, 1975	Probably closely related to fuscus .	20000000	Eptesicus guadeloupensis	Endangered	B1ab(iii,iv)	2016	2015-03-13 00:00:00 UTC	3.1	English	This species is listed as Endangered in light of an ongoing population reduction and small geographic range. It is known from less than five locations in Basse-Terre Island, Guadalupe. This insular species has an extent of occurrence of c. 2,500 km², its habitat is declining due to increased human colonization and tropical hurricanes. Also the introduction of exotic pests (rats, mice, mongoose) are considered a major threat. A reduction in population of 30% over the last three generations (21 years, Pacifici et al. 2013) is inferred by use of echolocation records (as an index of abundance) on the island, but that only qualifies it for Vulnerable.	This species is poorly known. Just like other species in the genus, it is insectivorous (Nowak 1999). It was netted inside humid forests and in gallery forests, always at low elevations. Baker et al.  (1978) assumed the species roosts in trees of the gallery forests. It might have annual cycles of populations, or might follow preys (coleoptera) with annual population cycles. Its closest phylogenetic relative is E. fuscus (sensu lato), which is noticeably smaller (Baker et al . 1978).	Similar to other small islands, Guadeloupe is subject to habitat loss by increased human colonization, tropical hurricanes, and introduction of exotic pests (rats, mice, mongoose). Barataud and Giosa (2013) also indicate several ecological factors that might affect this species, like major modifications in natural areas (replaced by banana and sugar-cane plantations), or abundance of an ecological competitor (the molossid Molossus molossus ).	There is no information on population size or trends for this species. From field observations, Baker et al.  (1978) thought that it could be locally abundant, but this statement was never confirmed by recording data. Recent echolocation surveys (Barataud and Giosa 2013) have obtained very few records since then, and taking these calls as an indirect measurement of the species' habitat use and abundance (Patriquin and Barclay 2003), that might indicate its actual rarity.	Unknown	This species has a limited known geographic range, it only occurs at the Basse-Terre Island, ;Guadeloupe (Lesser Antilles) (Simmons 2005).		Terrestrial	Research actions are needed, including long-term surveys to assess changes in abundance through the year and protection of humid forests and gallery forests that are being impacted by changes in land use. Continuing the echolocation monitoring is highly recommended (Barataud and Giosa 2013).	Neotropical		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 																																																																		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																																																	Simmons, N. B., & Cirranello, A. L. (2025). Batnames.org Species List Version 1.7 (1.7). Zenodo. https://doi.org/10.5281/zenodo.14796586																		Mammal Diversity Database. (2025). Mammal Diversity Database (Version 2.2) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.15007505		Eptesicus guadeloupensis; Eptesicus guadeloupensis; Eptesicus guadeloupensis; Eptesicus guadeloupensis; Eptesicus guadeloupensis; guadeloupensis G; Sérotine de Guadeloupe; Guadeloupe-Breitfligelfledermaus; Eptesicus de Guadalupe; Guadeloupe Big Brown Bat; Guadeloupean Big Brown Bat; Guadeloupe Serotine; Guadeloupe Big Brown Bat; Guadeloupean Big Brown Bat; Guadeloupean Big Brown Bat;; E. guadeloupensis