True

Yahoo Answers

Do puffins have teeth? - Yahoo! Answers

Actually, unlike many other birds, Puffins actually HAVE teeth, and they point backwards to hold more fish.

goddidcreations.com

Bird Facts - fun facts about our feathered friends

Puffins have teeth that point backwards inside their beak.

arcticwhaletours.com

Seabirds — Arctic Whale Tours

Puffins have backwards pointing teeth in their beaks, which allows them to catch fish one by one.

False