Newell's shearwater Newell's shearwater The Newell's shearwater or Hawaiian shearwater ("Puffinus newelli") is a seabird belonging to the genus "Puffinus" in the family Procellariidae. It belongs to a confusing group of shearwaters which are difficult to identify and whose classification is controversial. It was formerly treated as a subspecies of the Manx shearwater ("Puffinus puffinus") and is now often placed in Townsend's shearwater ("Puffinus auricularis"). It is endemic to the Hawaiian Islands It is a fairly small shearwater, in length. The wing is long and the tail is . The bird weighs . The upperparts are black with a brown tinge while
Procellariidae been implicated in (but not proved to have caused) the expansion in range of the northern fulmar in the Atlantic. Three of the six prion species have bills filled with lamellae, which act as filters to sift zooplankton from the water. Water is forced through the lamellae and small prey items are collected. This technique is often used in conjunction with a method known as hydroplaning where the bird dips its bill beneath the surface and propels itself forward with wings and feet as if walking on the water. Many of the shearwaters in the genus "Puffinus" and "Ardenna" are