Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This one-ton turtle once ruled South America’s rivers — ...

Keystone species are those that exist in an ecosystem to keep it functioning at its healthiest levels possible. These animals may be predators or herbivores. They may be large or small. The ...

Australian freshwater turtles support healthy wetlands and rivers. Yet one in three turtle species is threatened with extinction. And there is still much we don’t know about them. In today’s special ...