Pub patrons in Australia's Queensland have long been accustomed to pass the time by tossing burning cigarette butts out the window, or Ping Pong balls, or whatever other small objects come to hand. Outside, likely as not, sits an all-purpose mini garbage-disposal unit called Bufo marinus, and the beer quaffers amuse themselves by watching this undiscriminating toad gobble up almost anything coming its way.
The Bufo, a South American native, was drafted into Queensland service by way of Hawaii in 1935 to help get rid of the cane beetle that was threatening the sugar fields. The Aussies got more than they hoped...