(Ansonia leptopus)
Ansonia leptopus is a species of toad in the family Bufonidae. It is known from a few lowland localities in Borneo (including Brunei), Sumatra (Indonesia), and Peninsular Malaysia; it is reported as common in lowland Malaysian Borneo. Its presence in Peninsular Malaysia is uncertain. Its common names are brown slender toad, Matang stream toad, and cricket-voiced toad.