A visitor to from the North Island to the waters off Kaikoura. Generally seen off Kaikoura in the Winter and early spring. Small groups seen around rafts of floating kelp usually found well offshore, usually at least ten miles offshore. A medium sized Petrel. Very distinctive with silvery grey wings, on top contrasting to a black underwing.
White head is also distinctive.
Flies in high arcs above the waves- distinctive flight pattern. Usually solitary when seen at sea. Generally tends to avoid boats. Likely to be seen of Kaikoura during the winter months. Breeds, on islands around Antarctica and migrates to the sub-Arctic waters when finished breeding.