Dawn the fox is one of six foxy residents at Nuneaton and Warwickshire Wildlife Sanctuary.
When rescued by a member of the public, they initially thought she was a dog - and it seems she does too.
Staff have caught her on camera rolling over to have her tummy tickled, and wagging her tail - just like any enthusiastic puppy.
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The game was invented in the Birmingham between 1943 and 1945.
He stayed low so he wouldn't trip the alarm.
They are wild animals and should not be kept as pets.