You might think you know why the platypus is a bizarre beast. Maybe you know that it lays eggs, that the males have venomous spurs on their ankles, and that it can sense electricity with its bill. But do you know the most bizarre thing...

CU Platypus foraging underwater

MCU pan right, Platypus swimming underwater

MCU Platypus swimming underwater

MS TS Platypus (Ornithorhynchus anatinus) swimming in stream in early morning / Mt Field National Park, Tasmania, Australia