Shearwaters and Petrels
Order: Procellariiformes. Family: Procellariidae
The Procellariids are the main group of medium-sized 'true petrels', characterised by united nostrils with medium septum, and a long outer functional primary.
- Black-capped Petrel, Pterodroma hasitata (A)
- Herald Petrel, Pterodroma arminjoniana (A)
- Cory's Shearwater, Calonectris diomedea (A)
- Greater Shearwater, Puffinus gravis (A)
- Sooty Shearwater, Puffinus griseus (A)
- Manx Shearwater, Puffinus puffinus (A)
- Little Shearwater, Puffinus assimilis (A)
- Audubon's Shearwater, Puffinus lherminieri
Read more about this topic: Birds Of Puerto Rico