The red-billed hornbills are a group of hornbills found in savanna and woodland of sub-Saharan Africa. They are now usually split into five species, the northern red-billed hornbill (T. erythrorhynchus), western red-billed hornbill (T. kempi), Tanzanian red-billed hornbill (T. ruahae), southern red-billed hornbill (T. rufirostris) and Damara red-b...