Any of the long-winged pelagic seabirds of the family Procellariidae in genera Puffinus, Ardenna, and Calonectris, that breed on islands and coastal cliffs.

plural of shearwater

plural of Manx shearwater

A long-winged pelagic seabird, Puffinus puffinus, of the family Procellariidae.

Calonectris borealis, a large shearwater in the seabird family Procellariidae.