Groups are all the same. The mount holes are probably out as I don't know who drilled them.
An Aussie feral is a kangaroo, however it is illegal to shoot them without a special permit.
Camels are a major outback pest being an introduced species. Pop. is approx. 2 million and they double pop. every 9 years.
Here is the largest old bull I've shot so far with a.264WM and 140 Woodleigh at 150 yards.