Sulphur-crested Cockatoos, Sydney Botanical Gardens. Photo R. Ashdown.

Photographing jacarandas, Sydney Botanical Gardens. Photo R. Ashdown.

Top-knot Pigeons flying over Sydney Harbour. Photo R. Ashdown.

Sandstone wall and bloodwood, Sydney Botanical Gardens. Photo R. Ashdown.

Peacock, Taronga Zoo, Sydney. Photo R. Ashdown.

Spotted Gums after storm, Taronga Wildlife Park, Sydney. Photo R. Ashdown.

Statue of ape, woman and child, with real woman and child. Taronga. Photo R. Ashdown.

Juvenile Nankeen Night Heron, Sydney Botanical Gardens. Photo R. Ashdown.

Grey-headed Flying Foxes, Sydney. Photo R. Ashdown.

Grey-headed Flying Fox, Sydney. Photo R. Ashdown.

Fig leaves after storm, Sydney. Photo R. Ashdown.

Fig tree, Sydney. Photo R. Ashdown.

The Macquarie Culvert, Sydney Botanical Gardens. Built in 1816, this is almost certainly Australia's oldest bridge. Photo R. Ashdown.

The urban dragon - an Eastern Water Dragon, Sydney Harbour. Photo R. Ashdown.