While massive creatures often capture our attention, some of the planet's most fascinating species exist on a miniature scale. Smaller bodies offer unique biological advantages in the wild.
From a frog no bigger than a housefly to a snake that could curl up on a coin, these tiny animals have found clever ways to survive in a world dominated by towering predators. Small size often means less food is needed, and it opens up hiding spots that larger animals could never use.
In this gallery, we look at some of the smallest creatures in the world and where they can be found. Click on to meet them.