A guy walks into a bar and sees a dog playing poker.
The guy is amazed that the dog is playing poker.   

"Bartender, is that a real dog playing poker?" the guy asks.  

"Yep, real as can be." the bartender replies.  

"That's amazing!" the customer exclaims. 

"Not really," says the bartender. "Every time he gets a good hand he gives it away by wagging his tail."