“Killing a bird is a murder most fowl. Trying to play doctor with a duck makes you a quack.”
“If it looks like a duck, and quacks like a duck, we have at least to consider the possibility that we have a small aquatic bird of the family anatidae on our hands.”
“You ever hear that expression 'If it looks like a duck and it quacks like a duck, it's probably a duck'?”
“If it looks like a duck, quacks like a duck, it's a duck!”
“If it looks like a duck and quacks likes a duck, it's a duck, right?”
“if it looks like ahh duck and Quack like ahh duck then....its an afflack!”