Scent detection dogs have proven to be useful in many fields—sniffing out illegal substances and smuggled animals at airports, helping rescuers search for survivors among the rubble of an earthquake, assisting with medical research in detecting certain cancers, and even helping commercial pest controllers to find bed bugs. Now, following successful trials, dogs will be used in WA and Australia as part of an innovative Saving Native Species Program to detect a ‘biological bulldozer’— Phytophthora cinnamomi.