When we think of wildlife, towering elephants or roaring lions often steal the spotlight. But nature’s most astonishing creatures aren’t always large on the other hand, some are small enough to rest ...

A tiny frog endemic to the state of Bahia on Brazil’s Atlantic coast may have just earned the title of the smallest vertebrate in the world. The Brazilian flea toad, or Brachycephalus pulex, was first ...

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 ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. In the 19th century, the German zoologist Christian Bergmann pondered a simple ...