These closely related species have similar habits and occupy the same environments. Where they are both present, the Mallards will breed with the local Pacific Black Ducks. With several broods each year of 7 to 12 ducklings, and 20% reaching adulthood, the Mallard genes quickly make their way into the local Pacific Black Duck population.
Australian Thornbills (Genus Acanthiza) are notoriously difficult to identify for the uninitiated. Difficult in the field and more difficult from photos alone. The tips below are a good starting point toward learning to ID the Thornbill species present in SA.
The Venus Fly Trap or perhaps a Pitcher-Plant might be the typical images conjured up when considering carnivorous plants. However there are over 500 species of carnivorous plants worldwide to choose from. If you keep an eye out during the cooler months in SA and you might find any of the 21 species of local carnivorous plants, including several that are endemic to SA.
There are more than 350 native Orchid species in South Australia. While some have distinct characteristics that make identifying them relatively easy (when flowering), others can be a lot more difficult. Below I’ve compiled some resources that should help to aid both the beginner and experienced enthusiast in identifing local Orchids.