The Quill, Sint Eustatius

IBA Justification

The site was identified as important in 2007 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Bridled Quail-dove Geotrygon mystacea LC resident 2003 unknown A2
Purple-throated Carib Eulampis jugularis LC resident 2003 unknown A2
Green-throated Carib Eulampis holosericeus LC resident 2003 unknown A2
Antillean Crested Hummingbird Orthorhyncus cristatus LC resident 2003 unknown A2
Caribbean Elaenia Elaenia martinica LC resident 2003 unknown A2
Pearly-eyed Thrasher Margarops fuscatus LC resident 2003 unknown A2
Brown Trembler Cinclocerthia ruficauda LC resident 2003 unknown A2
Lesser Antillean Bullfinch Loxigilla noctis LC resident 2003 unknown A2

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2007).

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
The Quill / Boven National Park National Park 540 protected area overlaps with site 340
St. Eustatius (Statia) Marine Park 2,750 protected area is adjacent to site 0
Quill/Boven Specially Protected Area (Cartagena Convention) 500 protected area contained by site 0


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Shrubland Second-growth & disturbed scrub -
Forest Elfin, Tropical semi-evergreen -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
rangeland/pastureland -
nature conservation and research -

Recommended citation
BirdLife International (2024) Important Bird Area factsheet: The Quill, Sint Eustatius. Downloaded from on 26/02/2024.