Osteopilus pulchrilineatus — Overview

Hispaniolan Yellow Treefrog learn more about names for this taxon

IUCN threat status:

Vulnerable (VU)

Distribution

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Range Description

This species has a highly fragmented distribution on Hispaniola, which suggests that it has declined from a previously more uniform distribution. It has been recorded from sea level up to 1,091 m asl (Henderson and Powell 2009). Surveys from 2008-2010 have recorded this species in ten geographical localities of the Dominican Republic, including Montecristi, Dajabon, Nalga de Maco, Santiago Rodríguez, Salto de la Damajagua, Loma La Canela, Monte Plata, Sanchez Ramírez, Samana and Los Haitises. These surveys have expanded its area of occupancy (AOO) since its last assessment in 2004. However, even considering this expansion, the occupied area (herein taken as a proxy for AOO, although the actual AOO would be more restricted as some sites consist of small ponds beyond the margins of which frogs cannot survive) in the Dominican Republic is estimated to be 1,074 km2 based on field work and presence of suitable habitat (R. Powell pers. comm. February 2012). While there is no estimate for its occupied area in Haiti, based on the current original forest cover (estimated to be 277.5 km2 or 1% of the original forest cover in Haiti, B. Hedges pers. comm. April 2012) and the rate of natural habitat loss experienced by this country, suitable sites are projected to disappear within 10-20 years (R. Powell pers. comm. February 2012; B. Hedges pers. comm. February 2012), so it is expected that this species' AOO will most likely not exceed 2,000 km2. Its current overall range (taken as a proxy for extent of occurrence) is estimated to be 24,334 km2; which represents a reduction in its historical EOO, as areas previously demarcated as its range have undergone alteration due to human activities (e.g. loss of area in the Valle de Cibao, portions of the Valle de San Juan, eastern plains and Neiba uplands, central uplands east of HW 1; R. Powell pers. comm. February 2012).

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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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