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Satellite Tracking

Why did animal X stop transmitting?

Green Turtle Tracking in San Diego Bay, California USA

A project of NOAA Southwest Fisheries Science Center in conjunction with the partners and sponsors detailed below.

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NameSpeciesLife StageRelease DateLast LocationDays Transmitted
Bonita Green TurtleLikely adult2009-11-052010-02-0188
Trey Black TurtleAdult2015-11-062016-03-06121

Click on an animal's name for maps and more information.


San Diego Bay is among the northern-most foraging areas for green turtles in the Eastern Pacific. Information on origin (and thus possible migration patterns), growth rates, and behaviour will contribute to general knowledge about east Pacific green turtles (also known as black turtles). This basic information is necessary to make informed management decisions concerning these turtles and their habitat. Information from our study of these turtles has already been, and will continue to be, used by the NOAA Southwest Regional Office and the Unified Port of San Diego in their efforts to manage human activities and coastal development within the bay.

This satellite telemetry effort is complemented by an ongoing ultrasonic tracking project that partners NOAA with researchers from San Diego State University. Both telemetry components will contribute to information about green turtle habitat use in San Diego bay, both now - in a time when the South Bay Power Plant continues to operate in the southern Bay, and after the imminent closure of the power plant.

  • The presentation of data here does not constitute publication. All data remain copyright of the project partners. Maps or data on this website may not be used or referenced without explicit written consent.
  • For more information please visit the project website.
  • If you have questions or would like to request the use of maps or data for this project please contact

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

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