I've just been checking Sinclair andRyan, Birds of Africa - south of the Sahasra, 2003 and come up with :-
Dwarf Olive Ibis, White-breasted Guineafowl, Udungwa Forest Partridge, Nahan's Spurfowl ( that's one I've "dipped on"), Djibouti Spurfowl, Swierstra's Spurfowl ( if still extant ), Somali Pigeon, Usambara ( Nduk ) agle Owl, Albertine Owlet, Schoutenden's Swift, Forbes-Watsons Swift, Yellow-legged Honeyguide, Friedmans Lark, Degodi's Lark, Ash's Lark, Archer's Lark, Rudd's Lark, Grauer's Cuckooshrike, White-necked Pithacartes, Grey-necked Pithacartes ( I can't believe no-ones mentioned these two before), White-throated Mountain-Babbler, Prigogines Greenbul, Oberlaender's Ground Thrush, Kibale Ground Thrush ( if valid ), Somali Thrush, Thyolo Alethe, Gabela Akalat, Usambara Ground-Robin ( Akalat ), White-headed Robin-Chat, Dja River Warbler, Tana River Warbler ( if valid / extant ), Kungwe Apalis, Karamoja Apalis, Sierra Leone Prinia, Turner's Eremomola, Chapin's Crombec ( if still extant ), Long-billed Forest-Warbler ( Moreau's Tailorbird ), Winifred's ( Mrs. Moreau's ) Warbler, Pulitzer's Longbill, Usambara Hyliota, Newton's Fiscal, Braun's Bushshrike , Gabela Bushshrike, Mt. Kupe Bushshrike, Uluguru Bushshrike, Gabela Budshshrike, Usambara Weaver, Golden-naped Weaver, Ibadan Malimbe, Black-lored Waxbill, Warsangli Linnet. Theres also Algerian Nuthatch, one of only a handfull of Western Palearctic endemics.
Chris