Milt I think they got those from the US troops
Yes they sure did, and I helped image

Can you see the girl on the Camel
Yes

Sammie, the camels came to Australia to be used as transport
Camels used to run wild in Arizona too, and some old timers claim they are still out there.

The US Cavalry tried to use them for transport. Jeff Davis was Secretary of War at the time and the one that approved this experiment.