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Published online 28 February 2005 |
Nature
| doi:10.1038/news050228-3
Corrected online: 3 March 2005
News
Radio collars stress vulnerable voles
Ecologists tracking species may be doing more harm than good.
Tagging water voles with radio-transmitter collars causes a shift in the sex ratio of new births, researchers have discovered. This indicates that the animals might be under stress and the finding suggests that the technique might harm other species too.
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