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Eleutherodactylus coqui

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AMPHIBIA ANURA ELEUTHERODACTYLIDAE

Scientific Name: Eleutherodactylus coqui
Species Authority: Thomas, 1966
Common Name/s:
English Common Coqui, Puerto Rican Coqui
Spanish Coquí Común
Taxonomic Notes: Studies addressing the taxonomic status of E. coqui (whether it is one nominal species or more than one species) are equivocal (e.g., Bird-Picó 1994, Gonser 1996, Rios-López 1999, and Veló-Anton et al. 2007).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2009
Date Assessed: 2008-06-30
Assessor/s: Hedges, B., Joglar, R., Thomas, R., Powell, R. & Rios-López, N.
Reviewer/s: Angulo, A. & Stuart, S.
Justification:
Listed as Least Concern given that, although there have been some declines in montane populations (probably at a rate of less than 30% over ten years), perhaps due to a combination of climate change and/or chytridiomycosis, it is an extremely abundant species, it is found in disturbed habitats, and lowland populations appear to be unaffected.
History:
2006 Least Concern (IUCN 2006)
2006 Least Concern
2004 Near Threatened

Geographic Range [top]

Range Description: This species occurs on Puerto Rico, and has been introduced on to Isla Vieques and Isla Culebra, as well as to Dominican Republic, St. Thomas, St John and St. Croix in the US Virgin Islands, and Hawaii and Florida in the United States. Individuals of E. coqui were introduced to New Orleans and Boston, although in New Orleans the species was never established, as introduced individuals were only males (Dundee 1991), and in Boston’s case, individuals appear to be restricted to a greenhouse at the University of Massachussetts’ grounds (Pearson 2006). It appears to have been incidentally transported to Guam, although it is not considered to have established a breeding population there (Christy et al. 2007). These instances are not mapped as part of the species' range. The species has been recorded from sea level up to the highest peak in Puerto Rico at 1,338 m asl.
Countries:
Native:
Puerto Rico
Introduced:
Dominican Republic; United States (Florida, Hawaiian Is.); Virgin Islands, U.S.
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The lowland populations are common and should be considered "Least Concern" but apparently there has been an observed decline in the upland population in the Palo Colorado Forest, suggesting that upland populations should be listed as "Near Threatened" (Burrowes et al. 2004).
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: It is found in mesic forests. Males call from elevated exposed surfaces such as leaves and tree trunks. It has also been recorded from agricultural land including plantations and arable land, and other disturbed habitats such as towns. Nests are usually found on vegetation, and it develops directly.
Systems: Terrestrial

Threats [top]

Major Threat(s): Habitat loss is a major threat to this species in particular clearance of the land for agriculture. The cause of the decline in the Palo Colorado Forest is chytridiomycosis probably linked to climate change. Rats and mongooses have been suggested as potential threats (as invasive predators) to Eleutherodactylus species in Puerto Rico (Hedges 1993), although literature on this subject is equivocal (Hedges 1993; and Thurley and Bell 1994, support the notion that these introduced species comprise threats to amphibian species, while Reagan and Waide 1996, suggest that rats are lesser predators of Eleutherodactylus coqui), and there is currently no consensus regarding the impact that these species may or may not have on amphibian declines in Puerto Rico. Future research efforts directed at investigating the impact of these invasive species on amphibian populations may help to establish their relative contribution to amphibian declines.

Conservation Actions [top]

Conservation Actions: It occurs in all of the protected areas found in Puerto Rico. Monitoring of the disease is recommended.
Citation: Hedges, B., Joglar, R., Thomas, R., Powell, R. & Rios-López, N. 2009. Eleutherodactylus coqui. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 20 April 2014.
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