Darwin, Australia - 15 Feb 2006: Poison Toads May Be Evolving Into Faster Version

Bufo Marinus, the poisonous cane toad, was introduced from South America to Australia in the 1930s. Farmers originally welcomed them, since they devoured the sugar cane beetle which destroyed a valuable crop.

The introduction has gone badly wrong, however. The giant -- up to five pound -- toads attack and kill snakes, lizards, water birds - even crocodiles and dingos - basically, everything in their way. And now they seem to be developing the ability to cover huge distances as well.

Read the entire story on BBC.com.