The 160 ha site comprises an 8 km stretch of cliffs along the south-western coast of the island, from the bay of Baia do Inferno eastwards to the village of Porto Mosquito.
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The site has been identified as an IBA by BirdLife International because the cliffs support 25–30 breeding pairs of Red-billed Tropicbirds.
bird | local government area | Bird of prey | San Francisco Bay Area | Important Bird Area | Porto | Unincorporated area | Porto Alegre | Inferno | Greater Toronto Area | Urban area | F.C. Porto | metropolitan area | Mosquito | mosquito | University of Porto | New York metropolitan area | Bay Area Rapid Transit | Hot Bird | Free Bird | Big Bird | Porto-Novo | Larry Bird | urban area | European Economic Area | bird of prey | George Bird Grinnell | RAF Coastal Command | Inferno (Dante) | coastal defence ship |