(1) In how many countries do monotremes occur naturally?
Answer: Three (Australia, New Guinea and Indonesia).
(2) What is generally accepted as the common name of a baby monotreme? (bonus point: A former member of which famous Australian rock band is often credited with coining the name?).
Answer: Puggle (bonus: Tony Barber from Billy Thorpe and the Aztecs).
(3) True or false?: Monotremes have no external ears.
Answer: True (monotremes have no pinnae).
(4) The name ‘Echidna’ comes from which people’s ancient mythology?
Answer: Greek.
(5) Monotremes have a rare ‘sixth sense’ which they share with sharks, some fish, bees, cockroaches and one species of dolphin. What is it?
Answer: Electroreception (aka electroception – the ability to perceive electrical stimuli).