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Environment
John White, Associate Professor in Wildlife and Conservation Biology, Deakin University

Rat poison is killing our beloved native owls and tawny frogmouths – and that's the tip of the iceberg

Imogen Warren, Shutterstock

There’s nothing quite like having a rodent problem in your home. Most people will do anything to get rid of them.

Australians usually reach for rat poison, without a second thought. Most of these poisons – sold at supermarkets and hardware stores – are “second-generation anticoagulant rodenticides” (SGARs) also known as single-dose anticoagulants. These extremely powerful poisons stay in the body for many months. It takes only a single feed to kill a rodent, usually within a week.

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