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Location Portugal, Azores
Central coordinates 27o 47.00' West  38o 34.00' North
IBA criteria A4i, A4ii, B1i, B1ii, B2, C2, C6
Area 230 ha
Altitude 0 - 370m
Year of IBA assessment 2002

Sociedade Portuguesa para o Estudo das Aves

Site description This coastal IBA includes the area between the coastline and cobble beaches and the top of the seacliffs, from the stream of Ribeira do Cabeço da Cruz to the Fajã do Nortezinho. The cliffs are often covered by macaronesean woodland. The site includes the Ilhéu do Topo, an islet with 20 hectares and rocky cliffs. The islet is currently used by cattle.

Key Biodiversity One of the most important areas for breeding seabirds of the archipelago. At Ilhéu do Topo there is a potencial colony of 'cold-period' Madeiran Storm Petrel.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Calonectris diomedea breeding  2001  2,600 breeding pairs  medium  A4ii, B1ii, B2, C2  Not Recognised 
Puffinus assimilis breeding  1997  35-70 breeding pairs  medium  B1ii, B2, C2, C6  Not Recognised 
Hydrobates castro breeding  1997  5-10 breeding pairs  medium  B2  Not Recognised 
Roseate Tern Sterna dougallii breeding  2000  30 breeding pairs  medium  A4i, B1i, B2, C2  Least Concern 
Common Tern Sterna hirundo breeding  2000  280 breeding pairs  good  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Ilhéu do Topo Nature Reserve 17 unknown 0  


IUCN habitat Habitat detail Extent (% of site)
Coastline Rock stacks and islets; Sea cliffs and rocky shores  -
Shrubland   -
Introduced vegetation   -

Land use

Land-use Extent (% of site)
agriculture -
tourism/recreation -
nature conservation and research -

Protection status National Partial Nature Reserve Ilhéu do TopoInternational Special Protection Area Ilhéu do Topo e Costa Adjacente; SCI Costa Nordeste e Ponta do Topo.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Ilhéu do Topo e Costa Adjacente. Downloaded from on 26/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife