Science Daily: How bats 'hear' objects in their path
The researchers found that it is not the intensity of the echoes that tells the bats the size of an object but the 'sonar aperture', that is the spread of angles from which echoes impinge on their ears.
Photo Credit: Alexei Zaycev
By placing real and virtual objects in the flight paths of bats, scientists at the Universities of Bristol and Munich have shed new light on how echolocation works. Their research is published today in Behavioural Processes.




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