Invasive species are always disruptive to the native wildlife in the ecosystems they take over. However, their impact on humans and domesticated animals is usually more indirect. An exception is the ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Brought in to address a problem, cane toads now represent ...

South American cane toads were brought to Australia in 1935 to help eradicate native beetles that were destroying sugar cane crops. The toads didn’t care much for the beetles, but they did spread ...