OPAL's national citizen science surveys


The surveys explore the health of our soils and trees, the quality of our air and water, the distribution of native and invasive invertebrates, and the importance of habitats for wildlife. We provide easy-to-follow survey instructions, straightforward ID guides and a variety of other resources to help you explore your local environment.

New Zealand Flatworm Survey

Help us to find out how far this introduced species of flatworm has spread.


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