Optical Illusion : Can you find the two hidden cats in this old photo in 20 seconds?

Were you able to find the two hidden cats in this old photo in 20 seconds?
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Optical illusion: Can You Find All The Dolphins In This Mind-Bending Image In 20 Seconds? An Optical Illusion IQ Test.
Optical illusion: What you initially observe in an IQ test optical illusion indicates whether you are left- or right-brained.
Personality test: The animal you see first reveals your dominant personality traits in a 5-minute personality test.
Optical illusion: Only 1% of people can identify all nine faces in the optical illusion in under 11 seconds. Do You?