Migrating locusts can detect polarized reflections to avoid flying over the sea.

@article{Shashar2005MigratingLC,
  title={Migrating locusts can detect polarized reflections to avoid flying over the sea.},
  author={N. Shashar and Shai Sabbah and Nehemia Aharoni},
  journal={Biology letters},
  year={2005},
  volume={1 4},
  pages={472-5}
}
The desert locust Schistocerca gregaria is a well known migrating insect, travelling long distances in swarms containing millions of individuals. During November 2004, such a locust swarm reached the northern coast of the Gulf of Aqaba, coming from the Sinai desert towards the southeast. Upon reaching the coast, they avoided flying over the water, and instead flew north along the coast. Only after passing the tip of the gulf did they turn east again. Experiments with tethered locusts showed… CONTINUE READING
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