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Fig. 2. Representative frames showing the animated lizard (circled) against the
background at 1 m (A), 3 m (B) and 6 m (C). Different background plant
sequences were used for each relative distance in order to keep the size of
the lizard proportional to the background. Although the 3D animated lizard
appeared at roughly the same perch site in each of the sequences, the
structure of background visual motion varied in an ecologically meaningful way
between the sequences.
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