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Location Virgin Islands (to USA), St. Thomas
Central coordinates 64o 58.88' West  18o 20.50' North
IBA criteria A2
Area 176 ha
Altitude 0 - 100m
Year of IBA assessment 2007





Site description The site includes the sandy beach of Perseverance Bay, two inland salt ponds (lagoons), and the moist forest watershed upland from the ponds to highway #xx, an area of approximately 40 hectares. The ponds are joined by a very shallow channel and are located about 50 meters inland from the beach behind well vegetated sand dunes. Upland of the ponds is a flat moist forest zone extending about 100 meters northward and transitions into a steep slope of rocky terrain forming the watershed of these lagoons. A single ghaut about 2-3 meters wide runs down the slope and coincides with the footpath at several locations. Midway between the highway and the lagoon area are the un-restored ruins of a sugar cane estate refinery. There is a narrow footpath from the highway down to the lagoons maintained by occasional local fisherman, birders, and beach visitors. The property is privately owned and completely undeveloped at present.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Green-throated Carib Eulampis holosericeus resident  2006  unknown  A2  Least Concern 
Antillean Crested Hummingbird Orthorhyncus cristatus resident  2006  8 individuals  medium  A2  Least Concern 
Pearly-eyed Thrasher Margarops fuscatus resident  2006  20 individuals  medium  A2  Least Concern 

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Coastal lagoons  major
Forest Mangrove  -

Land use

Land-use Extent (% of site)
not utilised -
other -
Notes: Public beaches not very used because of the difficult access.

Other biodiversity Numerous iguanas live in the littoral woodlands and are occasionally seen on the beach. The most commonly observed invertebrates in the upper forests are Hermit crabs, Golden Orb spiders, and giant millipedes. The inland vegetation is primarily moist forest secondary growth with a mixed shade tolerant understorey of wild pineapple and woody saplings. Numerous large fruiting trees have become established in this former plantation providing habitat and food for white-tailed deer, iguanas, and birds. Adjacent moist soil areas are very densely populated with small land crabs.

Acknowledgements Jim Corven

Further web sources of information 

Site profile from Important Bird Areas in the Caribbean: key sites for conservation (BirdLife International 2008)

References Raffaele, H. (1989); Hayes, F. et al. (2003); McLaughlin, M. (Eds) (1976)

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Perseverance Bay Lagoons. Downloaded from http://www.birdlife.org on 29/08/2014

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