The São Tomé shorttail (Amaurocichla bocagei), also known as Bocage's longbill, is a species of passerine bird in the superfamily Passeroidea. It is the only member of the genus Amaurocichla. Formerly placed in the family Sylviidae, appears to be close to the Motacillidae, though its relationships currently are unclear. It is endemic to the southern and western parts of the island of São Tomé. Its natural habitat is subtropical or tropical moist lowland forests. This species has a small population and is threatened by habitat loss.