Data Zone
The site was identified as important in 2008 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Band-rumped Storm-petrel Hydrobates castro | LC | breeding | 1999 | 440-480 breeding pairs | A4ii, B1ii, C2 |
| Monteiro's Storm-petrel Hydrobates monteiroi | VU | breeding | 2008 | 230-250 breeding pairs | A1 |
| Cory's Shearwater Calonectris borealis | LC | breeding | 1996-2001 | 25,868 individuals | A4ii, B1ii, C2 |
| Audubon's Shearwater Puffinus lherminieri | LC | breeding | 1999 | 120-140 breeding pairs | B1ii, C2 |
| Roseate Tern Sterna dougallii | LC | breeding | 2004-2008 | 140-467 breeding pairs | B1ii, C2 |
| A4iii Species group - seabirds | n/a | breeding | 1996-2001 | 26,000 individuals | A4iii, C4 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2008) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| - | Ilha Graciosa | Natural Park | - |
| 1990 | Ilhéu de Baixo - Ilha Graciosa | Special Protection Area (Birds Directive) | <1 |
| 1990 | Ilhéu da Praia - Ilha Graciosa | Special Protection Area (Birds Directive) | <1 |
| 1995 | Ilhéu de Baixo - Restinga Ilha Graciosa | Site of Community Importance (Habitats Directive) | 1 |
| 1995 | Ponta Branca - Ilha Graciosa | Site of Community Importance (Habitats Directive) | <1 |
| 2008 | Costa Noroeste (Ilha Graciosa) | Área Protegida de Gestão de Recursos | 1 |
| 2008 | Ilhéu da Praia | Reserva Natural | 1 |
| 2008 | Costa Sudeste (Ilha Graciosa) | Área Protegida de Gestão de Recursos | <1 |
| 2008 | Ilhéu de Baixo | Reserva Natural | <1 |
| 2008 | Ponta da Restinga | Área Protegida para a Gestão de Habitats ou Espécies | <1 |
| 2008 | Ponta Branca | Área Protegida para a Gestão de Habitats ou Espécies | <1 |
| 2008 | Ponta da Barca | Área Protegida para a Gestão de Habitats ou Espécies | <1 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Marine Neritic | 100 |
| Land use | % of IBA |
|---|---|
| nature conservation and research | 28 |
| military | - |
| tourism/recreation | - |
| fisheries/aquaculture | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Graciosa (Portugal). Downloaded from
https://datazone.birdlife.org/site/factsheet/graciosa-iba-portugal on 23/11/2024.