Shearwaters and Petrels
Order: Procellariiformes Family: Procellariidae
The procellariids are the main group of medium-sized 'true petrels', characterised by united nostrils with a medium septum, and a long outer functional primary. There are 75 species worldwide and 4 species which occur in Guinea-Bissau.
- Fea's Petrel Pterodroma feae
- Cory's Shearwater Calonectris diomedea
- Manx Shearwater Puffinus puffinus
- Balearic Shearwater Puffinus mauretanicus
Read more about this topic: List Of Birds Of Guinea-Bissau