Public Release:  Movement patterns of endangered turtle vary from Pacific to Atlantic

PLOS

The movement patterns of critically endangered leatherback turtles vary greatly depending on whether the animals live in the North Atlantic or the Eastern Pacific, with implications for feeding behavior and population recovery, according to research published May 16 in the open access journal PLoS ONE.

The authors, led by Helen Bailey of the University of Maryland Center for Environmental Science, found that turtles in the Atlantic had two travel modes, low and high speed, associated with foraging and transit, respectively. The Pacific turtles, on the other hand, only had one mode of travel at speeds that indicated transit rather than foraging. The researchers write that these results suggest that the Pacific turtles rarely achieve high foraging success and therefore must spend longer periods of time searching for prey, which may hinder their population recovery relative to turtles in the Atlantic.

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Citation: Bailey H, Fossette S, Bograd SJ, Shillinger GL, Swithenbank AM, et al. (2012) Movement Patterns for a Critically Endangered Species, the Leatherback Turtle (Dermochelys coriacea), Linked to Foraging Success and Population Status. PLoS ONE 7(5): e36401. doi:10.1371/journal.pone.0036401

Financial Disclosure: Support was provided by the Tagging of Pacific Predators program of the Census of Marine Life, the Lenfest Ocean Program, and the Cinco Hermanos Fund. Funding was also provided by the European Union FEDER Program, the 'Programme Amazonie' held by Centre National de la Recherche Scientifique, and the Conservation of Migrating Species and the WWF as part of the 'Trans-Atlantic Leatherback Conservation Initiative. S.F. was supported by an AXA ''Young Talents'' post-doctoral fellowship, and grant funding was also provided to G.C.H. by NERC. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Competing Interest Statement: The authors have declared that no competing interests exist.

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