Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Some frogs and toads secrete poison through their skin ...

Fears about the impact of invasive, poisonous toads in Madagascar appear to be justified, suggests new research. The amphibians are driving a spike in deaths of a native snake species. Asian common ...

The biggest toad in history may have just been discovered at a national park in Queensland, Australia. It's so massive that when a park ranger discovered it, all she could do was gasp at its size. The ...