Fossil discovery shows some Australian 'thunder birds' had painful bone infection before species went extinct.
Around 50,000 years ago, a giant flightless bird roamed the open woodlands and lake edges of southern Australia.
This mihirung paringmal (giant bird), sometimes called a "thunder bird" (Genyoris newtoni), weighed five to six times that of an emu, was 2 metres tall, and had a huge beak.
But what caused the demise of the species isn't entirely settled. read on)