Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world.

Measuring a mere 3 inches long and weighing one-tenth of an ounce, roughly the same as a table tennis ball, the Calliope hummingbird is incredibly tiny. In fact, Eric Rasmussen, avian scientist at the ...

A tiny wonder in a vibrant landscape! In Cuba, Evie had the chance to see the Bee Hummingbird, also known as the Zunzuncito—the world’s smallest bird. Find out what makes this little flier so special.

If we set aside elephants and blue whales for a moment and shift our focus to the other end of the size spectrum, the world of tiny animals is truly astonishing. Measured in millimeters, these ...