English: Through the comparison of the skyline heights, the ant can deduce whether it has to approach or veer away from a skyline. a) A schematic representation of the memorised and desired skyline height. b) A perceived skyline height. It is smaller compared to the desired height. This means the ants is too near to the skyline and has to move away from it. c) A perceived skyline height. It is bigger in comparison to the deired height and indicates that the ant is too far away from the skyline and has to approach it.
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