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line:xlsx:hash://sha256/181a039844a33e66a35a457b7ece741051086608e425a040051b79581d606b97!/Sheet1!/L1181	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet	N/A	N/A	N/A	N/A	N/A	Platyrrhinus chocoensis	Platyrrhinus chocoensis	Platyrrhinus dorsalis [synonym of]	Platyrrhinus dorsalis [synonym of]	Platyrrhinus chocoensis	Platyrrhinus dorsalis chocoensis	Platyrrhinus dorsalis [synonym of]	Platyrrhinus dorsalis [synonym of]	 	Platyrrhinus dorsalis [synonym of]		[HMW] Platyrrhinus chocoensis Alberico & Velasco, 1991 , “Quebrada El Platinero, 12 km W Istmina (by road), 5° 00’ N , 76° 45° W , 100 m , Departamento del Chocé, Colombia .” Relationship of P. chocoensis with its sister species P. dorsalis is pending additional molecular analyses. Monotypic.																												N/A																																											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	Phyllostomidae	Stenodermatinae	Stenodermatini	Platyrrhinus chocoensis	Platyrrhinus		chocoensis	Alberico and Velasco		1991		Bonn. zool. Beitr.	42		238		Choco Broad-nosed Bat	Colombia, Departamento del Chocó, 12 km W Istmina (by road), Quebrada El Platinero, 5°00'N, 76°45'W, 100 m.	W Colombia, lowlands between the Western Cordillera of the Andes and the Pacific coast.	IUCN 2003 and IUCN/SSC Action Plan (2001) – Vulnerable.			03A687BCFFE3FFE2168BF86EFE35F0A9	Handbook of the Mammals of the World – Volume 9 Bats, Barcelona: Lynx Edicions	978-84-16728-19-0	hbmw_9_Phyllostomidae_444.pdf.imf	hash://md5/ff9fffc4ffb1ffb1133cffbaffe0f244	566	zip:hash://sha256/ec5fd314a06aba1a7b0b72f23e54ac625ae272bd98f82f1d01f4c09627d9e8e0!/treatments-xml-main/data/03/A6/87/03A687BCFFE3FFE31385F460F684F5CB.xml	Platyrrhinus chocoensis	Phyllostomidae	Platyrrhinus	chocoensis	Alberico & Velasco		Sténoderme du Choco @fr | Choco-Breitnasenfledermaus @de | Platirrinodel Choco @es | Chocoan Broad-nosed Bat @en	Platyrrhinus chocoensis Alberico & Velasco, 1991 , “Quebrada El Platinero, 12 km W Istmina (by road), 5° 00’ N , 76° 45° W , 100 m , Departamento del Chocé, Colombia .” Relationship of P. chocoensis with its sister species P. dorsalis is pending additional molecular analyses. Monotypic.	Currently known from Pacific slope of Colombia and NW Ecuador ; unconfirmed record from SW Panama .	Head-body 75-78 mm (tailless), ear 18-20 mm, hindfoot 14-15 mm, forearm 48-49 mm; weight 29-32 g. The Choco Broad-nosed Bat is medium-sized. Most external and cranial measurements overlap those of Thomas’s Broad-nosed Bat ( P. dorsalis ). Dorsal fur 1s dull dark brown; venter is somewhat lighter than dorsum; and ventral hairs are bicolored, with paler bases. Head is robust; snout is short and broad; and facial stripes are light brown, with supraocular better defined than subocular. Dorsal stripe is indistinct and off white. Noseleafis large, spear-shaped, and completely dark brown. Proximal one-half of forearmsis well furred. Insertion of posterior edge of plagiopatagium is on first metatarsal. Caudal membrane is very short in middle ( 3—4 mm ), with deep U-shaped groove; edge has sparse fringe of short hairs (longer only in middle part of margin). Sparse and short hair occurs on dorsum of feet. I' are relatively short and broad, converging and in contact at tips, and I? are unilobed. M' lack parastlye and mesostyle, metastyle is present or absent (variable), and protocone is small and blunt. Stylid cusps are lacking on posterior face of main cone of P,. Stylid cusp between metaconid and protoconid on M,is absent.	Undisturbed moist lowland tropical forests and also secondary forests and near plantations at elevations of 35-1000 m. The Choco Broad-nosed Batis restricted to Pacific coastal rainforests from southern Panama to north-western Ecuador where all months are wet and annual average rainfall exceeds 7000 mm .	The Choco Broad-nosed Bat has been listed as consuming fruits and insects, but this information could include populations now recognized as a different species in Peru or Venezuela .	Population samples from Rio Zabaletas in south-western Colombia exhibited postpartum estrus and bimodal polyestry, with pregnant Choco Broad-nosed Bats found in all months except July-September. Number of lactating females peaked in February, early in the relative “dry season” (January-April), followed by a lower peak in June in winter. No lactating females were recorded in April or August—January when 75-100% of females caught were pregnant. At least some males with enlarged testes were found in all months.	Choco Broad-nosed Bat is nocturnal.	No information.	Classified as Vulnerable on The IUCN Red List. Although a potential decline was assumed in the previous assessment, the Choco Broad-nosed Bat can be locally abundant in its relatively wide distribution.	Alberico & Velasco (1991a, 1991b) | Albuja (1999) | Burneo et al. (2015) | Gardner (2008c) | Pozo et al. (2018) | Thomas (1972) | Tirira (2008, 2011) | Velazco (2005) | Velazco & Gardner (2009)	https://zenodo.org/record/6458951/files/figure.png	176. Choco Broad-nosed Bat Platyrrhinus chocoensis French: Sténoderme du Choco / German: Choco-Breitnasenfledermaus / Spanish: Platirrino del Choco Other common names: Chocoan Broad-nosed Bat Taxonomy. Platyrrhinus chocoensis Alberico & Velasco, 1991 , “Quebrada El Platinero, 12 km W Istmina (by road), 5° 00’ N , 76° 45° W , 100 m , Departamento del Chocé, Colombia .” Relationship of P. chocoensis with its sister species P. dorsalis is pending additional molecular analyses. Monotypic. Distribution. Currently known from Pacific slope of Colombia and NW Ecuador ; unconfirmed record from SW Panama . Descriptive notes. Head-body 75-78 mm (tailless), ear 18-20 mm, hindfoot 14-15 mm, forearm 48-49 mm; weight 29-32 g. The Choco Broad-nosed Bat is medium-sized. Most external and cranial measurements overlap those of Thomas’s Broad-nosed Bat ( P. dorsalis ). Dorsal fur 1s dull dark brown; venter is somewhat lighter than dorsum; and ventral hairs are bicolored, with paler bases. Head is robust; snout is short and broad; and facial stripes are light brown, with supraocular better defined than subocular. Dorsal stripe is indistinct and off white. Noseleafis large, spear-shaped, and completely dark brown. Proximal one-half of forearmsis well furred. Insertion of posterior edge of plagiopatagium is on first metatarsal. Caudal membrane is very short in middle ( 3—4 mm ), with deep U-shaped groove; edge has sparse fringe of short hairs (longer only in middle part of margin). Sparse and short hair occurs on dorsum of feet. I' are relatively short and broad, converging and in contact at tips, and I? are unilobed. M' lack parastlye and mesostyle, metastyle is present or absent (variable), and protocone is small and blunt. Stylid cusps are lacking on posterior face of main cone of P,. Stylid cusp between metaconid and protoconid on M,is absent. Habitat. Undisturbed moist lowland tropical forests and also secondary forests and near plantations at elevations of 35-1000 m. The Choco Broad-nosed Batis restricted to Pacific coastal rainforests from southern Panama to north-western Ecuador where all months are wet and annual average rainfall exceeds 7000 mm . Food and Feeding. The Choco Broad-nosed Bat has been listed as consuming fruits and insects, but this information could include populations now recognized as a different species in Peru or Venezuela . Breeding. Population samples from Rio Zabaletas in south-western Colombia exhibited postpartum estrus and bimodal polyestry, with pregnant Choco Broad-nosed Bats found in all months except July-September. Number of lactating females peaked in February, early in the relative “dry season” (January-April), followed by a lower peak in June in winter. No lactating females were recorded in April or August—January when 75-100% of females caught were pregnant. At least some males with enlarged testes were found in all months. Activity patterns. Choco Broad-nosed Bat is nocturnal. Movements, Home range and Social organization. No information. Status and Conservation. Classified as Vulnerable on The IUCN Red List. Although a potential decline was assumed in the previous assessment, the Choco Broad-nosed Bat can be locally abundant in its relatively wide distribution. Bibliography. Alberico & Velasco (1991a, 1991b), Albuja (1999), Burneo et al. (2015), Gardner (2008c), Pozo et al. (2018), Thomas (1972), Tirira (2008, 2011), Velazco (2005), Velazco & Gardner (2009).			synonym of Platyrrhinus dorsalis	Platyrrhinus		dorsalis														synonym of Platyrrhinus dorsalis																																													IUCN. 2022. The IUCN Red List of Threatened Species. Version 2022-1. https://www.iucnredlist.org. Accessed on [28 September, 2022].	17568	Platyrrhinus chocoensis	ANIMALIA	CHORDATA	MAMMALIA	CHIROPTERA	PHYLLOSTOMIDAE	Platyrrhinus	chocoensis	Alberico &; Velasco, 1991		200000000	Platyrrhinus chocoensis	Vulnerable	A2c	2020	2015-03-20 00:00:00 UTC	3.1	English	<span lang="EN-AU">Previously, this species was listed as Endangered (EN A3c) by Velazco and Aguirre (2008). Reasons included a serious population decline, estimated to be more than 50% over the following 20 years, inferred from land-use changes (as estimated from satellite imagery), observed shrinkage in distribution, and rapid habitat destruction and/or degradation. However, this species can be abundant, and it has been registered from several localities along its distribution (e.g. Velazco and Gardner 2009). The species is now listed as Vulnerable under criterion A2c, because the past decline is probably closer to over 30% (but less than 50%) in the last three generations. It is know from two localities in Panama, and at least 22 and 29 localities in western Colombia and Ecuador (Velazco and Gardner 2009, Burneo and Tirira 2014).	<span lang="EN-AU">This bat is basically frugivorous, although it has been considered an opportunistic pollinator (Regan et al.  2015). Pregnant females were caught on August-January, and lactating females on February (Gardner 2008). In Colombia, this species exhibited postpartum oestrus and bimodal polyestry with pregnant females found in all months except from July to September (Gardner 2008). Its ecology is poorly known, despite being well collected. It has a generation length of six years (Pacifici et al. 2013).<p></p>	The Pacific region is being rapidly converted to agriculture which poses a serious threat to this restricted species (Velazco and Aguirre 2008). Illicit crops are a problem and habitat is rapidly being converted to coca plantations, and aerial spraying of defoliants for controlling them may also be a threat (Velazco and Aguirre 2008). In Colombia, illegal mining is frequent in the Pacific region, increasing habitat destruction.<p></p>	Previous assessments suggested a declination of 50% over the past decade because of habitat destruction (Velazco and Aguirre 2008). However, there are not population studies for this species (Muñoz-Saba and Alberico 2006) and it seems to be abundant where the habitats persist (Velazco and Aguirre 2008, Saavedra-Rodríguez and Rojas-Díaz 2011).<p></p>	Decreasing	This species occurs in the lowlands of the southern Panama, the Pacific region of Colombia, south to northwester Ecuador, over an elevational range from zero to 1,000 m asl (Alberico et al.   2000, Gardner 2008, Velazco and Gardner 2009). ;It is know from two localities in Panama, and at least 22 and 29 localities in western Colombia and Ecuador (Velazco and Gardner 2009, Burneo and Tirira 2014).<p></p>	This species is not used.	Terrestrial	<p><span lang="EN-AU">It occurs in protected areas as the National Natural Park Ensenada de Utría, and Katíos, Colombia (Muñoz-Saba and Alberico 2004). In Colombia, P. chocoensis has been included as Data Deficient and Near Threatened based on habitat destruction (Muñoz-Saba and Alberico 2006). In Ecuador, it has been considered as Data Deficient (Tirira 2001).</p>	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		Platyrrhinus chocoensis; Platyrrhinus chocoensis; Platyrrhinus dorsalis; Platyrrhinus dorsalis; Platyrrhinus chocoensis; ; Sténoderme du Choco; Choco-Breitnasenfledermaus; Platirrinodel Choco; Chocoan Broad-nosed Bat; Choco Broad-nosed Bat;; P. dorsalis