This is a series of caches taking you from the Goose Ponds to way up the river.

Each cache features a bird that may be seen along the trail...

Pacific Black Duck Anas superciliosa

Mottled brown dabbling duck with distinctive striped head pattern. Note purple/green metallic panel on wing and slightly domed head. Common throughout range, often found on or beside ponds, wetlands, and rivers.

Reference: https://ebird.org/australia/species