Machaerirhynchus
 Machaerirhynchus is a genus of passerine birds with affinities to woodswallows and butcherbirds. The two species are known as boatbills. The genus is distributed across New Guinea and northern Queensland.The species are: Black-breasted Boatbill M. nigripectus found in New Guinea Yellow-breasted Boatbill M. flaviventer found in northeast Australia