Worlds smallest fanged frog.
phys.org
World's smallest 'fanged' frogs found in Indonesia
In general, frogs' teeth aren't anything to write home about—they look like pointy little pinpricks lining the upper jaw. But one group of stream-dwelling frogs in Southeast Asia has a strange adaptation: two bony "fangs" jutting out of their lower jawbone. They use these fangs to battle with...
