Breeding

There are 10 species that nest annually in several Azorean islands and adjacent islets:

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PROCELLARIIFORMES

Cory's Shearwater Calonectris borealis

Macaronesian Shearwater Puffinus lherminieri baroli

Manx Shearwater Puffinus puffinus

Bulwer’s Petrel Bulweria bulwerii

Band-rumped Storm-Petrel Hydrobates castro

Monteiro’s Storm-Petrel Hydrobates monteiroi

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CHARADRIIFORMES

Roseate Tern Sterna dougallii

Common Tern Sterna hirundo

Sooty Tern Onychprion fuscatus

Yellow-legged gull Larus michahellis atlantis .