My torso is short, but my arms are really long and gangly and my legs and my neck, and my feet and hands are really long, and I look like a duck.

Don't quack like a duck, soar like an eagle.

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.

I look like a duck. It's the way my mouth curls up, or my nose tilts up. I should have played Howard the Duck.

Be like a duck. Calm on the surface, but always paddling like the dickens underneath.

When I see a bird that walks like a duck and swims like a duck and quacks like a duck, I call that bird a duck.