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To have ultra rapid vision

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To have ultra rapid vision

The figure visualize one advantage of the ultra rapid vision discovered in birds. The almost three times faster refreshment rate of visual input in a pied flycatcher than in a human makes it far easier to track and predict the flight paths of two blue bottle flies. A segment of a video clip, filmed at high speed was sampled at two different frame rates to illustrate the figure.
Malin Thyselius
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By:
Malin Thyselius
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    One may expect a creature that darts around its habitat to be capable of perceiving rapid changes as well. Yet birds are famed more for their good visual acuity. Joint research by Uppsala University, Stockholm University and SLU now shows that, in small passerines (perching birds) in the wild, vision is considerably faster than in any other vertebrates .