The species is also noted to be confusable with the lethally toxic "Amanita subjunquillea". Rules can be used in learning when the stimuli are confusable, as opposed to simple. A confusable species is the great black-backed gull. The only confusable species is the grey treepie which however lacks the bright rufous mantle. This may be confusable with the classic AVI Windows multimedia format which typically uses ".avi".