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Satellite Tracking

Why did animal X stop transmitting?

Moana-Nui

Trans-Pacific Migration of the Sooty Shearwater: 2004

A project of Pacific Procellariid Research Consortium.


click map for full-size version
Moana-Nui-o-Kiva are the Maori words for the Pacific Ocean "The Great Ocean of the Blue Sky." This is the very first data showing the real-time, trans-Pacific migration of a Sooty Shearwater from feeding grounds in the California Current to nesting islands in...New Zealand? Stay tuned. Data are collected using a Sirtrack Kiwisat PTT202 transmitting every 60 s and duty cycled for 24 h on/off.

Full-Size Map (221KB)
Zoom Map (56KB)

Species: Sooty Shearwater
Life Stage: Sub-Ad to Adult
Gender: Unknown
Release Date: 2004-09-02 07:00:00
Release Location: San Luis Bay
Last Location: 2004-09-30 21:35:03

Background

The Sooty Shearwater (Puffinus griseus) is the most abundant, and perhaps the most conspicuous seabird off the coast of California during the spring – summer. The shearwater’s affinity for highly productive coastal waters influenced by upwelling often leads to predictable, and extremely aggregated flocks. Flocks range in size from several 1,000s to over a 100,000. The arrival of millions of shearwaters to California each year is a seasonal phenomenon that is well observed by thousands of people living in and visiting coastal communities in California. The distribution of high concentrations of shearwaters between the populated coast and heavily traveled offshore shipping lanes, place this species at a high risk from chronic oiling (urban runoff), catastrophic oiling (spills), and pollution.


SEATURTLE.ORG collaborates with Argos to help scientists and conservationists manage and analyse their valuable animal tracking data.

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