Articles on Introduced species

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The American Cockroach, one of the most common species found in your home. Cockroach image from

Hidden housemates: cockroaches

There are over 5,000 species of cockroach, but fortunately only a few have chosen to live with us.
True Australians: hard workers, quiet achievers and generally underappreciated labourers.

Australia: riding on the insect’s back

Insects are largely hidden from view or maligned unfairly, but they make a tremendous contribution to the Australian economy.
A glimpse of wild brumbies in the Snowy Mountains. Michael Tristram/Flickr

The grim story of the Snowy Mountains’ cannibal horses

When you think of horses in the Australia high country, you might imagine noble brumbies galloping out from snowgums across grassy peaks, tails and manes trailing like streamers. But on a recent trip to…
Nature was still red in tooth and claw before we came along. David Ilaff

There is no past Eden to which conservation can return us

Despite the significant benefits they have and will continue to provide, the traditional approaches of protected areas and in situ conservation management alone cannot shield vulnerable species from the…
Water management in the Murray-Darling may be inadvertently helping the common carp at the expense of native fish. Tom Rayner

Alien fish boom shows difficulty of replenishing Murray-Darling

Wetlands and rivers need water – not least in the case of Australia’s biggest river system, the Murray-Darling Basin, which has been the target of an “environmental watering” plan designed to preserve…
Bird feed now. The whole bird later. vermininc

Introducing species to change ecosystems is a balancing act

Species hold ecosystems in a delicate balance. From time to time humans introduce non-native species to an ecosystem, because they may be needed for domestic work, as pets, for carrying loads or even for…

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