was finding low densities of non-native invasive knapweed rosettes in the field with a 93% overall success rate. She followed it up with 98% in the final trials in open fields, demonstrating that dogs can effectively detect low densities of invasive plants.

Detection dogs are able to discern individual scents even when the scents are combined or masked by other odors. In 2002, a detection dog foiled a woman's attempt to smuggle marijuana into an Australian prison in Brisbane. The marijuana had been inserted