White-necked Petrel Published December 2, 2011 | By Jack Shick White-necked Petrel (Ptreodroma cervicalis) Wingspan 970mm body weight 380-545g We see this Southwest Pacific bird here over the summer months, not in big numbers only ones and twos. Looks like a Black-winged but a fair bit bigger. white-necked-petrel white-necked-petrel white-necked-petrel white-necked-petrel white-necked-petrel