I am not too smart. After I resteemed the "Bird and Rat are Playing" (Yes, I was right it IS a squirrel) I tried the "Search Google for this image," check on it. Sure enough, it had alteady appeared on Facebook. Here is the credit for the awesome photo:
Jim Vipperman and Md Farhan.
Mushroom, chickadee and a squirrel. Credit: Andre_Villeneuve ...
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640 × 960 - Fantastic things in the world is on Facebook.
Sorry!