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Epicrates inornatus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA REPTILIA SQUAMATA BOIDAE

Scientific Name: Epicrates inornatus
Species Authority: (Reinhardt, 1843)
Common Name/s:
English Puerto Rican Boa, Yellow Tree Boa
French Boa De Porto Rico, Boa Sobre
Spanish Boa De Puerto Rico
Synonym/s:
Boa inornata Reinhardt, 1843
Boella tenella Smith & Chiszar, 1992
Chilabothrus inornatus (Reinhardt, 1843)
Piesigaster boettgeri Seone, 1881

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2009-06-30
Assessor/s: Mayer, G.C. & Tolson P.J.
Reviewer/s: Böhm, M., Collen, B. & Ram, M. (Sampled Red List Index Coordinating Team)
Contributor/s: De Silva, R., Milligan, H.T., Wearn, O.R., Wren, S., Zamin, T., Sears, J., Wilson, P., Lewis, S., Lintott, P. & Powney, G.
Justification:
Epicrates inornatus has been assessed as Least Concern due to its large distribution and ability to inhabit altered environments. Population numbers have declined in the past but this boa is still abundant in protected and inaccessible areas. Further research and monitoring of this species is needed to identify if significant future declines trigger a higher threat category.
History:
1994 Insufficiently Known (Groombridge 1994)
1990 Endangered (IUCN 1990)
1988 Endangered (IUCN Conservation Monitoring Centre 1988)
1986 Endangered (IUCN Conservation Monitoring Centre 1986)

Geographic Range [top]

Range Description: This species is widely distributed in Puerto Rico, and is especially abundant in the northern karst region (Acevedo-Torres et al. 2005). This species has an elevational range of 0 to 480 m above sea level.
Countries:
Native:
Puerto Rico
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is described as common in undisturbed karst areas of northwestern Puerto Rico (Tolson and Henderson 1993). Much of the boa's apparent rarity undoubtedly relates to observers' difficulties in visually detecting the species in forests (Wunderle et al. 2004), and this boa is not as rare as previously thought (Puente-Rolon and Bird-Pico 2004). Although the species is probably less abundant than it was in pre-Columbian times, recent accounts indicate that it is still widespread on Puerto Rico, and suggest that it may be common in some locations (Reagan 1984).
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This species is found in a variety of habitats. It occurs in rainforests, karst landscape, caves, and even altered environments such as plantations and urban areas.
Systems: Terrestrial

Threats [top]

Major Threat(s): This species has undoubtedly been threatened in the past and declined in numbers. Most of Puerto Rico has now been deforested except for inaccessible karst areas, which this species prefers. It is predated on by introduced mongooses, and killed by humans for a number of reasons, including extracting their fatty oils. However, this species is still abundant in its natural and altered habitats.

Conservation Actions [top]

Conservation Actions: Parts of this species' distribution range coincide with protected areas. This species is legally protected by the US Endangered Species Act of 1973. Research into the threats, population numbers and trends, and habitat status of this species is needed, and population monitoring is recommended.

Bibliography [top]

Acevedo-Torres, M.A, Rios-Lopez, N., Ruiz-Jaen, M.D.C. 2005. Epicrates inornatus: Cannibalism. Herpetological Review 36(2): 195.

IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.4). Available at: http://www.iucnredlist.org. (Accessed: 27 October 2010).

Mayer, G.C. 2007. pers. comm Red List Assessment.

Puente-Rolon, A.R. and Bird-Pico, F.J. 2004. Foraging Behavior, Home Range, Movements and Activity Patterns of Epicrates inornatus (Boidae) at Mata de Pla´tano Reserve in Arecibo, Puerto Rico. Caribbean Journal of Science 40(3): 343-352.

Reagan, D.P. 1984. Ecology of the Puerto Rican Boa (Epicrates inornatus) in the Luquillo Mountains of Puerto Rico. Caribbean Journal of Science 20(3/4): 119-129.

Tolson, P.J. and Henderson, R.W. 1993. The Natural History of West Indian Boas. R & A Publishing Limited, Taunton.

Wiley, J.W. 2003. Habitat Association, Size, Stomach Contents, and Reproductive Condition of Puerto Rican Boas (Epicrates inornatus). Caribbean Journal of Science 39(2): 189-194.

Wunderle Jr., J.M., Mercado, J.E., Parresol, B. and Terranova, E. 2004. Spatial Ecology of Puerto Rican Boas (Epicrates inornatus) in a Hurricane Impacted Forest. Biotropica 36(4): 555-571.

Citation: Mayer, G.C. & Tolson P.J. 2010. Epicrates inornatus. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 16 April 2014.
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