Penguins… do they have knees?

Penguins... do they have knees?
Penguins… do they have knees?

Yes. The folks at the New England Aquarium have a blog posting answering this very question (complete with images of penguin knees) at bit.ly/penguin-knees. (Did you know we have lots of books about penguins? Do a subject search for penguins to find them!)