ONLINE SUPPLEMENTARY MATERIAL: Appendix 1: A checklist of species of the study sites. 1 = Afi Mountains, 2 = Oban Division, 3 = Okwangwo Division, 4 = Sankwala Mountains, 5 = Mbe Mountains. Y= seen during this survey of the five sites * = Birds seen on previous surveys of the sites (Ash, J. S. & Sharland, R. E. 1986; Ash, J. S. 1990; Ash, J. S. 1991; Gartshore, M. E. 2004; Gartshore, M. E. 2005) but not during this survey of the five sites Y* = Birds seen during this survey of the five sites and on previous surveys of the sites

1 4 5 3 2 ARDEIDAE Little Egret Egretta garzetta * * Cattle Egret Bubulcus ibis * * Green-backed Heron Butorides striatus * * White-crested Tiger Heron Tigriornis leucolophus Y* * Black-headed Heron Ardea melanocephala * THRESKIORNITHIDAE Hadada Ibis Bostrychia hagedash Y* ACCIPITRIDAE African Cuckoo Falcon Aviceda cuculoides Y* Y* Hooded Vulture Necrosyrtes monachus Y* Y * Palm-nut Vulture Gypohierax angolensis Y* Y* Y Y* Yellow-billed Kite Milvus migrans Y* Y* Y* Y* Eurasian Marsh Harrier Circus aeruginosus Y* * Montagu’s Harrier Circus pygargus Y* * Black-shouldered Kite Elanus caeruleus Y* Y* Y* Y* Bat Hawk Machaerhamphus alcinus Y* Y* * Y* Brown Snake Eagle Circaetus cinereus Y* * Congo Serpent-Eagle Dryotriorchis spectabilis Y* Y* Y Y Wahlberg's Eagle Aquila wahlbergi Y Y* African Harrier Hawk Polyboroides typus Y* Y* Y* Y* Secretary Bird Sagittarius serpentarius * African Goshawk Accipiter tachiro Y* Y* Y* Y* Black Sparrowhawk Accipiter melanoleucus Y* Y* * Y* African Little Sparrowhawk Accipiter minullus * Long-tailed Hawk Urotriorchis macrourus Y* Y* Y* * Shikra Accipiter badius Y* * * Lizard Buzzard Kaupifalco monogrammicus Y* Y* * * Red-necked Buzzard Buteo auguralis Y* Y* Y* * Y* Ayres' Hawk-Eagle Hieraaetus ayresii Y* Long-crested Hawk-Eagle Lophaetus occipitalis * * * Cassin's Hawk-Eagle Spizaetus africanus Y* * Crowned Eagle Stephanoaetus coronatus Y* * * Martial Eagle Polemaetus bellicosus * * FALCONIDAE Common Kestrel Falco tinnunculus * Y* Y Peregrine Falcon Falco peregrinus * Lanner Falcon Falco biarmicus * Y* * * Y* Grey Kestrel Falco ardosiaceus * *

1 PHASIANIDAE Scaly Francolin Francolinus squamatus Y* Y* * Double-spurred Francolin Francolinus bicalcaratus * * * Latham's Francolin Francolinus lathami Y Y Y Crested Guineafowl Guttera plumifera Y Y Y RALLIDAE Grey-throated Canirallus oculeus Y* Nkulengu Rail Himantornis himantopus Y* White-spotted Flufftail Sarothrura pulchra Y* Y* Y Y Y Buff-spotted Flufftail Sarothrura senegalensis * Black Crake flavirostris Y African Finfoot Podica senegaiensis Y Y Y Thick-knee Burhinus senegalensis * * COLUMBIDAE Western Bronze-naped Pigeon Columba iriditorques Y* Bruce's Green Pigeon Treron waalia Y African Green pigeon Treron calva Y* Y* Y* Y* Y* Olive Pigeon Columba sjostedti Y* Y Y Tambourine Dove Turtur tympanistria Y* Y* Y* Y* Y* Lemon Dove Columba larvata Y Blue-headed Wood Dove Turtur brehmeri Y* Y* Y* Y* Red-eyed Dove Streptopelia semitorquata Y* Y Y* Laughing Dove S. senegalensis Y* Y* Y* Y* Y* Blue-spotted Wood Dove T. afer Y* Y* Y* Y* Y* Black-billed Wood Dove T. abyssinicus Y Y PSITTACIDAE Senegal Parrot Poicephalus senegalus Y Y Grey Parrot Psittacus erithacus Y Y Y* MUSOPHAGIDAE Western Grey Plantain-eater Crinifer piscator Y* Y Y* Great Blue Turaco Corythaeola cristata Y* Y* Y Y* Green Turaco Tauraco persa Y* Y* Y* Y* Y* Yellow-billed Turaco T. macrorhynchus Y* Y* Y* Y* Y* CUCULIDAE Red-chested Cuckoo Cuculus solitarius Y* Y Y Y* Black Cuckoo Cuculus clamosus Y* Y* Y* Dusky Long-tailed Cuckoo Cercococcyx mechowi Y Y Olive Long-tailed Cuckoo C. olivinus Y* Y Y* African Emerald Cuckoo Chrysococcyx cupreus Y* Y* Y* Y* Y* Didric Cuckoo Chrysococcyx caprius Y* Y* Y* Y* Y* Klaas' Cuckoo C. klaas Y* Y* Y* Y* Y* Yellow-bill Ceuthmochares aureus Y* Y* Y* Y* Y* Senegal Coucal C. senegalensis Y* Y* Y* Y* Y* Blue-headed Coucal C. monachus Y* Y* Y* Y* Y* Black-throated Coucal Centropus leucogaster Y* Y* Y* Y* Y* African Striped Cuckoo Oxylophus levaillantii Y Y STRIGIDAE Chestnut-backed Owlet Glaucidium sjostedti Y Y* African Scops Owl Otus senegalensis Y Fraser's Eagle-Owl Bubo poensis Y Y Y African Wood Owl Strix woodfordii Y* Y Marsh Owl A. capensis Y Y*

2 Short-eared Owl Asio flammeus * CAPRIMULGIDAE Long-tailed Nightjar Caprimulgus climacurus * * * * Black-shouldered Nightjar C. nigriscapularis Y* European Nightjar C. europaeus Y* Pennant-winged Nightjar Macrodipteryx vexillarius * APODIDAE Sabine's Spinetail Rhaphidura sabini * Y* * * Black Spinetail melanopygia Y* Y* * Mottled Spinetail T. ussheri * * * * Cassin's Spinetail Neafrapus cassini * Y* * * * African Black Apus sladeniae * African Palm Swift Cypsiurus parvus Y* Y* Y* Y* Y* European Swift A.apus * * Bates's Swift A. batesi * * * * White-rumped Swift A. caffer * * Horus Swift A. hours * * * * Little Swift A. affinis Y* Y* Y* Y* Y* Mottled Swift Tachymarptis aequatorialis * * * Alpine Swift T. melba * * * * COLIIDAE Speckled Mousebird Colius striatus Y* * * TROGONIDAE Bar-tailed Trogon Apaloderma vittatum Y* Y* Y* Narina's Trogon A. narina Y* Y* Y Bare-cheeked Trogon A. aequatoriale Y* Y* * Y* ALCEDINIDAE African Pigmy Kingfisher Ceyx pictus * * Shinning Blue Kingfisher Alcedo quadribrachys Y Y Y Y White-bellied Kingfisher Corythornis leucogaster Y* Y* Y Y* Malachite Kingfisher C. cristata * Chocolate-backed Kingfisher Halcyon badia Y* Y Y Woodland Kingfisher H. senegalensis Y* Y* Y Y Striped Kingfisher H. chelicuti Y* Grey-headed Kingfisher H. leucocephala Y* Y* Y Y Blue-breasted Kingfisher H. malimbica Y* Y Y Giant Kingfisher Megaceryle maxima Y* Y MEROPIDAE European Bee-eater M. apiaster * Blue-headed Bee-eater M. muelleri * Y* Y Y Black Bee-eater M. gularis Y* Y Y Y Little Bee-eater M. pusillus Y Y Y* Y Blue-breasted Bee-eater M. variegates * * White-throated Bee-eater M. albicollis Y* Y* Y* Y* Y* Blue-cheeked Bee-eater M. persicus * CORACIIDAE Broad-billed Roller Eurystomus glaucurus * Blue-throated Roller Eurystomus gularis Y* * Rufous-crowned Roller Coracias naevia * Green Wood-Hoopoe Phoeniculus. purpureus * White-headed Wood-Hoopoe P. bollei * Hoopoe Upupa epops *

3 BUCEROTIDAE African Grey Hornbill Tockus nasutus Y* Y* Red-billed Hornbill T. erythrorhynchus Y* Y* White-crested Hornbill Tockus albocristatus Y* Y* Y* Y* Y* Black Dwarf Hornbill T. hartlaubi Y* Y* Red-billed Dwarf Hornbill T. camurus Y* Y* Y* Y* African Pied Hornbill T. fasciatus Y* Y* Y* Y* Y* Piping Hornbill Ceratogymna fistulator Y* Y* Y* Y* Y* Black-and-white-casqued Hornbill Ceratogymna subcylindricus Y* Y* White-thighed Hornbill Bycanistes albotibialis Y* * Y* Y* Black-casqued Wattled Hornbill Ceratogymna atrata Y* Yellow-casqued Wattled Hornbill C. elata Y* * Y* CAPITONIDAE Naked-faced Barbet G. calvus Y* Y* Y Y* Y* Bristle-nosed Barbet Gymnobucco peli Y* Y* Y Y* Y* Speckled Tinkerbird Pogoniulus scolopaceus Y* Y* * Y* Y* Western Green Tinkerbird P. coryphaeus Y* Y* Y Y Red-rumped Tinker bird P. atroflavus Y* Y* * Y* Y* Yellow-throated Tinkerbird P. subsulphureus Y* * Y* Y* Yellow-rumped Tinkerbird P. bilineatus Y* Y* Y* Y* Y* Yellow-spotted Barbet Buccanodon duchaillui Y* Y* Y* Y* Hairy-breasted Barbet Tricholaema hirsuta Y* Y* Y* Y* Bearded Barbet L. dubius * * * Double-toothed Barbet L. bidentatus * * * * * Yellow-billed Barbet Trachyphonus purpuratus Y* Y* Y* Y* Y* INDICATORIDAE Lyre-tailed Melichneutes robustus Y* Greater Honeyguide indicator * * Spotted Honeyguide Indicator maculatus * * Y* Least Honeyguide I. Exilis Y* Y* * * Willcocks's Honeyguide I. Willcocksi Y* * Thick-billed Honeyguide I. Conirostris * PICIDAE Fine-spotted Woodpecker Campethera punctuligera Green-backed Woodpecker C. cailliautii * Tullberg's Woodpecker C. tullbergi * Buff-spotted Woodpecker C. nivosa * * * Brown-eared Woodpecker C. caroli Speckle-breasted Woodpecker D. poecilolaemus Woodpecker D. gabonensis Y* Y* * * * Fire-bellied Woodpecker D. pyrrhogaster Y* Y* * * Y* Elliot's Woodpecker D. elliotii Y* * Grey Woodpecker D. goertae * Y* * * * EURYLAIMIDAE Red-sided Broadbill Smithornis rufolateralis Y* Y* Y* Y* Y* Grey-headed Broadbill S. sharpie Y* Y* Y* African Pitta Pitta angolensis * HIRUNDINIDAE Square-tailed Saw-wing Psalidoprocne nitens Y* * White-throated Blue Swallow Hirundo nigrita Y* Barn Swallow H. rustica Y* Y* Y* Y* Y*

4 Rufous-chested Swallow Hirundo semirufa * * * * * Ethiopian Swallow Hirundo aethiopica * * * * * Lesser Striped-swallow Hirundo abyssinica * * * * * Red-rumped Swallow H. daurica * Preuss's Cliff Swallow H. preussi * Fanti Saw-wing Pslidoprocne obscura Y* Y* Y* Y* Y* Black Saw-wing P.pristoptera * Mountain Saw-wing P. fuliginosa * Common Sand Martin Riparia riparia * Rock Martin H. fuligula Y* Y* Y* Y* Y* House Martin Delichon urbica * MOTACILLIDAE Yellow Wagtail Motacilla flava Y* Y* Y* Y* Y* Mountain Wagtail M. clara Y* * Richard's Pipit Anthus novaeseelandiae * Tawny Pipit A. campestris * Long-billed Pipit A. similes * Plain-backed Pipit A. leucophyrs Y* * Y* Tree Pipit A. trivialis * Red-throated Pipit A. cervinus * Yellow-throated Longclaw Macronyx croceus * CAMPEPHAGIDAE Blue Cuckoo- Coracina azurea Y* * Y* Red-shouldered Cuckoo-Shrike Campephaga phoenicea Y Y Petit’s Cuckoo-Shrike C. petiti Y* Grey Cuckoo-Shrike Coracina caesia Y* Y* Y* Y Y* PYCNONOTIDAE Cameroon Montane Andropadus montanus Y* Y* * Western Mountain Greenbul A. tephrolaemus Y* Y* * Little Greenbul A. virens Y* Y* Y* Y* Y* Little Grey Greenbul A. gracilis Y* Y* Y* Y* Y* Ansorge's Greenbul A. ansorgei Y* Y* Y* Cameroon A. curvirostris * Y* Slender-billed Greenbul A. gracilirostris Y* Y* Y* Y* Y* Yellow-whiskered Greenbul A. latirostris Y* Y* Y* Y* Y* Honeyguide Greenbul indicator Y* Y* Y* Y* Y* Sjöstedt's Honeyguide Greenbul B. clamans Y * Spotted Greenbul Ixonotus guttatus Y* Y Y* Simple Greenbul simplex Y* Y Leaf-love Pyrrhurus scandens Y White-tailed Greenbul Thescelocichla leucopleura Y* Y Y Y* Cameroon Olive Greenbul poensis Y* Y* * * Icterine Greenbul P. icterinus Y* Y* Y* Y* Y* Golden Greenbul Calyptocichla serina Y Y* Y* Grey-headed Greenbul Phyllastrephus poliocephalus Y* Y Xavier’s Greenbul Phyllastrephus xavieri Y* Y* * Y* Red-tailed Bristlebill Bleda syndactyla Y* Y* Y* Y* Y Lesser Bristlebill B. notata Y* Y* Y* Y* Y* Grey-headed Bristlebill B. canicapilla Y* Y* Y* Eastern Bearded Greenbul chloronotus Y* Y* Y* Y* Y* Red-tailed Greenbul C. calurus Y* Y* Y* Y* Y* White-bearded Greenbul C. ndussumensis Y* Y* Y* Y* Y*

5 Common barbatus Y* Y* Y* Y* Y* Nicator chloris Y* Y* Y* Y* Y* TURDIDAE Forest Robin Stiphrornis erythrothorax Y* Y* Y* Y* Y* Bocage's Akalat Sheppardia bocagei Y* Y* Y Y Nightingale Luscinia megahrynchos Y Fire-crested Alethe Alethe diademata Y* Y* Y* Y* Y* Snowy-crowned Robin-Chat Cossypha niveicapilla Y Brown-chested Alethe A. poliocephala Y* Y* Y* Y* Y* White-tailed Ant Thrush Neocossyphus poensis Y* Rufous Flycatcher-Thrush N. fraseri Y* Y* Common Stonechat Saxicola torquata * Whinchat S. rubetra * White-fronted Black Chat Myrmecocichla albifrons Y* Familiar Chat Cercomela familiaris * Mocking Cliff-Chat M. cinnamomeiventris * Crossley's Ground-Thrush Zoothera crossleyi Y* * African Thrush Turdus pelios Y* Y* Y* Y* Y* SYLVIIDAE Bangwa Forest Warbler B. bangwaensis Y* * Moustached Grass-Warbler Melocichla mentalis * Yellow Flycatcher-Warbler Chloropeta natalensis Y* Red-faced Cisticola erythrops Y* Whistling Cisticola C. lateralis * Singing Cisticola C. cantans * Chattering Cisticola C. anonymus * Chubb's Cisticola C. chubby Y* Y* * Croaking Cisticola C. natalensis Y* Y* * Siffling Cisticola C. brachypterus Y* Y* * Tawny-flanked Prinia Prinia subflava * Y* White-chinned Prinia P. leucopogon Y* Banded Prinia P. bairdii * Y* Green Longtail Urolais epichlora Y* * Black-capped Apalis Apalis nigriceps Y* Y* Black-throated Apalis A. jacksoni Y* Buff-throated Apalis A. rufogularis Y* Y* Y* Y* Grey Apalis A. cinerea Y* Y* Y* Grey-backed Camaroptera Camaroptera brevicaudata Y* Y* Y* Y* Yellow-browed Camaroptera C. superciliaris Y* Y* Y* Y* Olive Green Camaroptera C. chloronota Y* Y* Y* Y* Y* Green Crombec Sylvietta virens Y* Y* Y* Y* Y* Lemon-bellied Crombec S. denti Y* Kemp's Longbill Macrosphenus kempi Y* Y* Y* Y* Yellow Longbill M. flavicans Y* Y* Y* Y* Grey Longbill M. concolor Y* Y* Y* Y* Green Hylia Hylia prasina Y* Y* Y* Y* Y* Black-capped Woodland Warbler Phylloscopus herberti Y* * Willow Warbler P. trochilus Y* Y* Y* Wood warbler P. sibilatrix Y* Y* Y* MUSCICAPIDAE White-browed Forest-Flycatcher M. cinerascens * Swamp Flycatcher aquatica *

6 Spotted Flycatcher Muscicapa striata * * * Sooty Flycatcher M. infuscate Y* Y* Fraser's Forest Flycatcher Fraseria ocreata * Dusky Alseonax M. adusta * * Little Grey Alseonax M. epulata * Yellow-footed Alseonax M. sethsmithi Y* Y* Y* * Y* Cassin's Alseonax M. cassini * Y* Ashy Alseonax M. caerulescens * Grey-throated Tit-Flycatcher Myioparus griseigularis Y* European Pied Flycatcher Ficedula hypoleuca Y* * PLATYSTEIRIDAE Senegal Batis Batis senegalensis Y* Y* * Common Wattle-eye Platysteira cyanea Y* Y* Y* Y* Y* White-spotted Wattle-eye P. tonsa Y* Y* Chestnut Wattle-eye P. castanea Y* Y* Y* Y* Y* Red-cheeked Wattle-eye P. blissetti * Yellow-bellied Wattle-eye P. concreta Y* Y* Y* * MONARCHIDAE Chestnut-capped Flycatcher Erythrocercus mccallii Y* * Y* Dusky Crested Flycatcher Trochocercus nigromitratus Y* Y* * Y* White-bellied Crested Flycatcher T. albiventris Y* Y* * Blue-headed Crested Flycatcher Terpsiphone nitens Y* Y* Y* Y* Y* Red-bellied Paradise-Flycatcher T. rufiventer Y* Y* Y* Y* Y* Rufous-vented Paradise Flycatcher T. rufocinerea * African Paradise-Flycatcher T. viridis Y* Y* Y* Y* Y* TIMALIIDAE Brown Illadopsis Illadopsis fulvescens Y* Y* Y* Y* Moloney's Illadopsis I. fulvescens Y* Y* Y* * Y* Grey-chested Illadopsis Kakamega poliothorax Y* Y* Y* * Black-cap Babbler reinwardtii White-throated Mountain-Babbler Kupeornis gilberti Y* * Capuchin Babbler Phyllanthus atripennis Y* * Red-headed Rockfowl Picathartes oreas * * ZOSTEROPIDAE Yellow White-eye Zosterops senegalensis Y* Y* Y* Y* Y* NECTARINIIDAE Fraser's Scarlet-tufted Sunbird Anthreptes fraseri Y* Y* * Y* Green Sunbird A. rectirostris * * Bates's Sunbird Nectarinia batesi Y* Buff-throated Sunbird Chalcomitra adelberti Y* * Superb Sunbird Cinnyris superbus Y* * Green-throated Sunbird Chalcomitra rubescens Y* Y* * Olive-bellied Sunbird Cinnyris chloropygius Y* Y* * Western Olive Sunbird N. olivacea Y* Y* Y* Y* Collared Sunbird Hedidypna collaris Y* Y* Y* Y* Cameroon Blue-headed Sunbird N. oritis Y* * Green-headed Sunbird Cyanomitra verticalis * Y* * * * Blue-throated Brown Sunbird N. cyanolaema Y* Y* Y* Y* Variable Sunbird N. venusta Y* Northern Double-collared Sunbird N. preussi Y* Y* * Orange-tufted Sunbird N. bouvieri Y* Y* Splendid Sunbird N. coccinigaster Y* Y* Y * Y

7 Johanna's Sunbird N. johannae Y* Y* Mackinnon’s Shrike Lanius mackinnoni * MALACONOTIDAE Black-shouldered Puffback-Shrike Dryoscopus senegalensis Y* * Pink-footed Puffback-Shrike D. angolensis Y* Y* Y* * Tropical Boubou Laniarius aethiopicus Y * Yellow-breasted Boubou L. atroflavus Y* Y* * Sooty Boubou L. leucorhynchus Y* Y * Mountain Sooty Boubou Laniarius poensis Y* Y * Many-coloured Bush-Shrike T. multicolour Y* Y* Y* Y* Mount Kupe Bush-Shrike Malaconotus kupeensis Y Y* Fiery-breasted Bush-Shrike T. cruentus Y* Y* Y* Green-breasted Bush-Shrike Malaconotus gladiator Y* Red-billed Shrike Prionops caniceps Y Y* DICRURIDAE Fork-tailed Drongo Dicrurus adsimilis Y Y* Y* Y Square-tailed Drongo Dicrurus ludwigii Y* Shining Drongo D. atripennis Y* Y Y Y* Piapiac Ptilostomus afer Y Y Y Pied Crow Corvus albus Y* Y* Y* Y* Y* ORIOLIDAE Western Black-headed Oriole O. brachyrhynchus Y* Y* Y* Y* Y* Black-winged Oriole O. nigripennis Y* Y* Y* Y* Y* STURNIDAE Narrow-tailed Starling Poeoptera lugubris * Waller's Chestnut-wing Starling Onychognathus walleri * Splendid Glossy-starling Lamprotornis splendidus * Y Violet-backed Starling Cinnyricinclus leucogaster * Y Yellow-billed Oxpecker Buphagus africanus Y Grey-headed Sparrow Passer griseus Y* Y* Y Y Y Purple-headed Glossy Starling Lamprotornis purpureiceps Y* Y* PLOCEIDAE Black-necked Weaver Plocues nigricollis Y* Vitelline Masked Weaver P. velatus Y Village Weaver P. cucullatus Y* Y Y Black-headed Weaver P. bicolor Y Y Spectacled Weaver P. ocularis Y* Y Black-billed Weaver P. melanogaster Y* Y Bannerman’s Weaver Ploceus bannermani * Vieillot's Black Weaver P. nigerrimus Y* * Y* Yellow-mantled Weaver P. tricolor Y* * Y Dark-backed Weaver P. bicolor Y* Y* Y* * Y Brown-capped Weaver P. insignis Y* Y* * Rachel's Malimbe Malimbus racheliae Y* Red-vented Malimbe M. scutatus Y Y* Y* Blue-billed Malimbe M. nitens Y * Y* Crested Malimbe M. malimbicus Y * Y* Red-headed Malimbe M. rubricollis Y Y* Yellow Bishop Euplectes capensis Y* * Red-collared Widow-bird E. ardens Y* Y ESTRILDIDAE Flower-pecker Weaver-Finch Parmoptila woodhousei Y* *

8 Red-faced Crimson-wing Cryptospiza reichenovii * Dybowski's Twinspot Euschistospiza dybowskii * Y* * Green Twinspot Mandingoa nitidula * White-breasted Negro-Finch Nigrita fusconota Y* Y* * Chestnut-breasted Negro-Finch N. bicolour Y* Y* Y Y Pale-fronted Negro-Finch N. luteifrons Y* Y* Y Grey-headed Negro-Finch N. canicapilla Y* Y* Y Y Little Oliveback Nesocharis shelleyi Y* * Blue-bill Spermophaga haematina Y* Y* Y Y Y Orange-cheeked Waxbill Estrilda melpoda Y* Y* Y Y Y Black-rumped Waxbill Estrilda troglodytes Y* Y Common Waxbill E. astrild Y* Y* Y Black-crowned Waxbill E. nonnula Y Y* Y* Y Bronze Mannikin Lonchura cucullata Y* Y Y* Black and White Mannikin L. bicolour Y Y * * Y VIDUIDAE Cameroon Indigobird Vidua camerunensis Y FRINGILLIDAE Thick-billed Seed-eater S. burtoni Y * Oriole-Finch Linurgus olivaceus Y * Yellow-fronted Canary Serinus mozambicus * * EMBERIZIDAE Cinnamon-breasted Rock Bunting Emberiza tahapisi Y Y *

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