If you give a squirrel a cookie

You never know what's going to happen next.
While on our daily walks Mocha often encounters her mortal enemy, the squirrel. This saucy fellow had acquired a full-size cookie.
Time for a glass of milk
Later that day, she found an incautious squirrel walking around on the sidewalk. Tail trembling with excitement, she tried to sneak up on him, only to be scolded from the tree.
Will we get it?