Island-finding ability of marine turtles

Hays, Graeme C., Akesson, Susanne, Broderick, Annette C., Glen, Fiona, Godley, Brendon J., Papi, Floriano and Luschi, Paolo 2003, Island-finding ability of marine turtles, Proceedings of the Royal Society B : biological sciences, vol. 270, no. Supplement 1, pp. S5-S7, doi: 10.1098/rsbl.2003.0022.

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Title Island-finding ability of marine turtles
Author(s) Hays, Graeme C.ORCID iD for Hays, Graeme C.
Akesson, Susanne
Broderick, Annette C.
Glen, Fiona
Godley, Brendon J.
Papi, Floriano
Luschi, Paolo
Journal name Proceedings of the Royal Society B : biological sciences
Volume number 270
Issue number Supplement 1
Start page S5
End page S7
Total pages 3
Publisher Royal Society Publishing
Place of publication London, England
Publication date 2003-08
ISSN 0962-8452
Keyword(s) magnetic navigation
Summary Green turtles (Chelonia mydas) swim from foraging grounds along the Brazilian coast to Ascension Island to nest, over 2200 km distant in the middle of the equatorial Atlantic. To test the hypothesis that turtles use wind-borne cues to locate Ascension Island we found turtles that had just completed nesting and then moved three individuals 50 km northwest (downwind) of the island and three individuals 50 km southeast (upwind). Their subsequent movements were tracked by satellite. Turtles released downwind returned to Ascension Island within 1, 2 and 4 days, respectively. By contrast, those released upwind had far more difficulty in relocating Ascension Island, two eventually returning after 10 and 27 days and the third heading back to Brazil after failing to find its way back to the island. These findings strongly support the hypothesis that wind-borne cues are used by turtles to locate Ascension Island.
Language eng
DOI 10.1098/rsbl.2003.0022
Field of Research 069999 Biological Sciences not elsewhere classified
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2003, Royal Society Publishing
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