CANE TOADS WERE INTRODUCED INTO EASTERN AUSTRALIA FROM THE AMERICAS IN THE 1930S IN THE HOPE THEY’D EAT BEETLES THAT WERE DESTROYING FIELDS OF SUGAR CANE.
IT WAS A CATASTROPHIC MISTAKE.
THE CANE TOADS COMPLETELY FAILED TO EAT THE BEETLES AND, INSTEAD, THEY BECAME A MASSIVE PEST.
JUST OVER 100 WERE INTRODUCED. THERE ARE NOW HUNDREDS OF MILLIONS.