Mammal images
from Australian-Wildlife.com
EGK4 Eastern Grey Kangaroo
The kangaroo, along with the emu, were selected for Australia's coat of arms because

The kangaroo is
the
iconic Australian animal and whilst they survive in huge numbers today (far higher than before the arrival of Europeans) they can be difficult to see away from rural areas. People still arrive in these shores expecting to see them hopping through Sydney's main streets.

This photograph was taken at dusk in the Blue Mountains National Park in New South Wales.