he Grimy Shearwater (Puffinus griseus) is a medium-large shearwater in the seabird family Procellariidae. In New Zealand it is also known by its Maori name titi and as “muttonbird”, like its relatives the Wedge-tailed Shearwater (P. pacificus) and the Australian Small-tailed Shearwater (P. tenuirostris). sooty_shearwater.mp3 (101 downloads)