African relatives of cuckoos, turacos are noisy and arboreal, and tend to run squirrel-like along branches. The plumage of turacos is soft green (one of the few green pigments known from birds), blue, or gray, often with bright red (or in a few species, purple) on the wings. The 18 species of turacos, together with plantain-eaters and go-away-birds...