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Ecology & Evolution
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Bats respond to polarity of a magnetic field
- Yinan Wang, Yongxin Pan, Stuart Parsons, Michael Walker, Shuyi Zhang,
- Original article citation: Proceedings of the Royal Society B: Biological Sciences 274," (2007).
- Categories: Ecology & Evolution and Neuroscience
- Recommended by: Jianlan Song on 11/06/2007 09:11AM GMT
- Reasons for recommending:
It offers some insights into the relationship between the type of magnetic sense and evolution. Not for this paper, we might believe that mammals and birds use the same type of magnetic sense, which is based on the inclination instead of polarity, to judge the relative direction of the poles and Equator.
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We know birds, salmons, whales and turtles use magnetic field orientation for navigational purpose. The finding provides yet another example of a species that uses this mechanism. It also makes us wonder how common such mechanism exists in the animal kingdom.