What is the common name for an Ornithorhynchus?
Correct answer: Platypus

Timoteo
In Spanish, the duck billed platypus is called ornitorrinco.

Clidge
A COMMON platypus? What at all, if anything, is common about a platypus?

Jonesy
Not many people in Australia call it a Duck Billed Platypus, we just call it a Platypus