2020年3月4日 · Red-billed Hornbill (Tockus erythrorhynchus) Open savanna and woodland, especially with sparse ground cover, extending into drier thorn-scrub and more hilly areas in sub-Saharan areas, but also denser forest formations in N Ghana, as well as dry Anogeissus forest and partially cultivated Vitellaria orchards; in Malawi and Zambia, commonest in ...