In 1978, cane toads, which are native to South and Central America, were introduced for pest control to Ishigaki island in Okinawa prefecture in Japan. These poisonous toads secrete deadly toxins, ...

Cane toads secrete a toxin that can harm or even kill animals that lick, bite or eat them, including dogs and cats.

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 ...