Grey Go-away-bird (Corythaixoides concolor), aka Grey Lourie - a southern African bird of uniform grey with black beak. It is widespread in savanna woodland. It has a distinctive loud alarm call "quare" fancifully sounding like "go away"
The White-crested Hornbill (Tropicranus albocristatus), also known as the Long-tailed Hornbill, is a species of hornbill (family Bucerotidae) found in humid forests of Central and West Africa. - photo by Alan Shapiro,