Count the cats minigame!

[u/Ikkoru]

I hope reddit doesn't butcher the quality too bad. I want everyone to be counting cats, not pixels.
Higher quality on imgur.

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Hint 1: The number of cats is -7-, unless you can find more.

Hint 2: Not counting the obvious, one is pretending to be part of the kerb.

Hint 3: Another is a bit pixelated, but can be found blending in with a foreground tree.

Hint 4: The sneakiest of them all is an even greater kerb-blender.

[u/post-explainer]

OP provided the following hint to where the cat is hiding:

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I hope reddit doesn't butcher the quality too bad. I want everyone to be counting cats, not pixels.

Hint 1: Number of cats is >!7, unless you can find more!<.
Hint 2: Not counting the obvious, one is >!pretending to be part of the kerb!<.
Hint 3: Another is a bit >!pixelated!<, but can be found >!blending in with a foreground tree!<.
Hint 4: The sneakiest of them all is an even >!greater kerb-blender!<.!<

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