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Bats weighing no more than 6 grams, migrating over a thousand miles from the Baltic to Britain, could be the key to revealing how migrating mammals navigate.
We know more about how birds and reptiles and fish navigate than we do about mammals such as whales or wildebeest, but one part of the puzzle is revealed in the latest edition of Current Biology.
Colleagues - Leibniz - Institute - Zoo - Wildlife
Working with colleagues at the Leibniz Institute for Zoo and Wildlife Research and the University of Latvia, Dr. Richard Holland of Bangor University's School of Natural Sciences, who has also studied navigational systems in birds, has looked at the navigational systems used by tiny soprano pipistrelle bats.
However, not all bats use the same system. Earlier research by the team had shown that homing bats, who do not undertake lengthy migrations rely on their ability to see the polarised refraction of the sun set to recalibrate their internal magnetic compass.
Factor - Research
Another factor revealed by the research is that young...
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