Data Zone
The site was identified as internationally important for bird conservation in 2007 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.
Populations meeting IBA criteria ('key species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Green-throated Carib Eulampis holosericeus | LC | resident (2002–2007) | 1–5 individuals | A2 |
| Antillean Crested Hummingbird Orthorhyncus cristatus | LC | resident (2002–2007) | 1–2 individuals | A2 |
| American Coot Fulica americana | LC | resident (2002–2007) | 1–34 individuals | A1 |
| Brown Pelican Pelecanus occidentalis | LC | resident (2002–2007) | 25–150 individuals | B4i |
| Laughing Gull Larus atricilla | LC | winter (2002–2007) | 1–250 individuals | B4i |
| Least Tern Sternula antillarum | LC | breeding (2002–2005) | 70–215 individuals | B4i |
| Royal Tern Thalasseus maximus | LC | winter (2002–2007) | 2–28 individuals | B4i |
| Caribbean Elaenia Elaenia martinica | LC | winter (2002–2007) | 1 individuals | A2 |
| Pearly-eyed Thrasher Margarops fuscatus | LC | winter (2002–2007) | 2–4 individuals | A2 |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| - | Southgate | Marine Protected Area (V) | 16 |
| - | Southgate Pond | Marine Reserve and Wildlife Sanctuary (-) | 2 |
| 1977 | Green Cay | National Wildlife Refuge (IV) | 2 |
| 1977 | Green Cay | National Wildlife Refuge (IV) | 2 |
| 1990 | Caribbean Barrier Resource System | Marine Reserve and Wildlife Sanctuary (-) | - |
| 1991 | Area of Particular Concern | Marine Reserve and Wildlife Sanctuary (-) | - |
| 2000 | Southgate Coastal Reserve | Other (-) | 17 |
| 2003 | St. Croix East End | Marine Park (IV) | 63 |
| 2003 | St. Croix East End Marine Park | Marine Reserve and Wildlife Sanctuary (-) | - |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Marine Coastal/Supratidal | major (>10) | |
| Marine Intertidal | major (>10) | |
| Marine Neritic | major (>10) | |
| Forest | minor (<10) | Mangrove |
| Land use | % of IBA |
|---|---|
| nature conservation and research | - |
| tourism/recreation | - |
| urban/industrial/transport | - |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Southgate and Green Cay (Virgin Islands (to USA)). Downloaded from
https://datazone.birdlife.org/site/factsheet/southgate-and-green-cay-iba-virgin-islands-(to-usa) on 20/01/2025.