Wedge-tailed Shearwater

Wedge-tailed Shearwater is a medium-large shearwater in the seabird family Procellariidae. It is one of the shearwaters sometimes called muttonbirds, like the sooty shearwater of New Zealand and the short-tailed shearwater of Australia. The wedge-tailed shearwater (Ardenna pacifica) (Uau Kani or Koto in Hawaiian) is a medium-large shearwater in the seabird family Procellariidae. It is one of the shearwater species that is sometimes referred to as a muttonbird, like the sooty shearwater of New Zealand and the short-tailed shearwater of Australia. (Wikipedia, general species account).

It is found throughout the tropical Pacific and Indian Oceans, roughly between latitudes 35°N and 35°S (Wikipedia, general species account). It is found throughout the tropical Pacific and Indian Oceans, roughly between latitudes 35°N and 35°S. A molecular phylogenetic study published in 2022 found that the wedge-tailed shearwater was sister to Buller's shearwater. They make up the Thyellodroma group, a superspecies of the large shearwaters that were for a long time included in the genus Puffinus. (Wikipedia, general species account).