Photo: Toni Palliser/Vireo

Cook's Petrel

Pterodroma cookii

Breeding on islands around New Zealand, this petrel ranges over vast distances in the Pacific Ocean. Since the late 1970s, research cruises have revealed that Cook's Petrel occurs regularly off our west coast -- but so far offshore that it is seldom seen on ordinary one-day birding boat trips, let alone from shore.
Family Shearwaters and Petrels
Breeding on islands around New Zealand, this petrel ranges over vast distances in the Pacific Ocean. Since the late 1970s, research cruises have revealed that Cook's Petrel occurs regularly off our west coast -- but so far offshore that it is seldom seen on ordinary one-day birding boat trips, let alone from shore.
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Illustration © David Allen Sibley.
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Text © Kenn Kaufman, adapted from
Lives of North American Birds

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Songs and Calls
Generally silent at sea. On breeding grounds a series of high pitched notes similar to Mottled Petrel but even higher pitched.
Audio © Lang Elliott, Bob McGuire, Kevin Colver, Martyn Stewart and others.
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