Conservationists Turn to Predator-Free Island to Save Endangered Dibblers

This conservation program aims to increase the Dibbler population and set the stage for future population building on the mainland. 

A Dibbler (Parantechinus apicalis) is a small, carnivorous marsupial found in Western Australia and some of its offshore islands. Principle research scientist leading the Western Shield, Department of Parks and Wildlife conservation program, Tony Friend, said:

Their role in the environment is basically controlling invertebrates, but they have their own value, in the fact that they are a unique species.

The Dibbler is endangered and was even once believed to be extinct. It is threatened by invasive species like feral cats and foxes, and also suffers from habitat degradation. In an effort to stave off extinction and help the Dibbler population grow, scientists have released 35 individuals onto predator-free Gunton Island, Australia.

island conservation science island refuge for dibblers
The predator-free island of Gunter will hopefully become home to a sustainable population of Dibblers that can be drawn on for future conservation programs. Photo credit: Emma Massenbauer

Scientists are using surveillance technology to monitor the Dibblers. Friend explained:

We put motion-activated cameras out on the island, and they have bait material based on peanut butter that the Dibblers investigate, and when they do that they trigger the camera. They are all microchipped, so we can identify individuals. We know how old each one is, when it was released and even who its mother was.

This conservation program will set the stage for future population building on the mainland. Friend noted:

It is really about finding the right habitat and doing the right feral animal control.

Friend highlighted the importance and value of protecting native species:

I think as a species, we’ve done an immense amount of damage on this planet, and I feel very privileged to do work on threatened mammals and marsupials, because they are so special for Australia.

Islands have become highly valuable for such restoration projects. Conservationists have been turning to islands again and again to rebuild struggling populations and prevent extinction.

Featured photo: Gunton Island will provide a refuge for endangered dibblers. Photo credit: Emma Massenbauer
Source: ABC

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