Five BOOKS, “Roberts' Birds of Southern Africa” by Gordon Lindsay Maclean, illustrated by Kenneth Newman and Geoff Lockwood, fifth edition 1985, fourth impression; “The Birds of South Africa” by Dr Austin Roberts, illustrated by Norman D.K Lighton; “African Birds of Prey” by Leslie Brown, 1970; “Birds of Southern Africa” by Nigel Dennis, 1999; “Newman's Garden Birds” by Kenneth Newman, 1991. (5)