Woodlands Historic Park Flies

Grey and Golden Blowfly (Calliphora stygia) on Kangaroo Dung at Woodlands Historic Park
Grey and Golden Blowfly on Kangaroo Dung, late April. About 12mm long.

Classification

from Australian Faunal Directory

Order Diptera - Flies, 8955 named species in Australia at Nov. 2021
Division Cyclorrhapha - Flies having Short Antennae with a Bristle or Arista
Family Calliphoridae - Blowflies and Bluebottles, 120 named species in Australia
Genus Calliphora
Species Calliphora stygia