The Quill, Sint Eustatius

IBA Criteria

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Bridled Quail-dove Geotrygon mystacea LC resident 2003 unknown A2
Green-throated Carib Eulampis holosericeus LC resident 2003 unknown A2
Purple-throated Carib Eulampis jugularis 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

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap 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


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

Land use

Land-use Extent (% of site)
rangeland/pastureland -
nature conservation and research -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: The Quill, Sint Eustatius. Downloaded from on 05/12/2022.