An optical illusion to test your IQ: Can you find the Hippo in the Herd of Rhinos in 11 seconds?  

Optical Illusion to Test Your IQ: Mind-bending and shape-shifting images of objects, drawings, or people challenge the brain's perception.   

Physical, physiological, and cognitive optical illusions exist.  

Research reveals that a normal human brain can perceive things or images differently from different angles.   

These optical illusions often appear in psychoanalysis tests since they reveal your perceptions and intelligence.  

This time we created a fantastic optical illusion where you must find the hippo hiding amid the rhinos.   

The above image is a challenging brain teaser for adults and youngsters.  

In this viral optical illusion, rhinos gather on the grass. A hippo hides in the group. Visitors must find a hippo amid the rhino herd in the puzzle.  

Finding the hidden hippo in the rhinos is the harder part of this optical illusion.   

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