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See shagat: art Peer Hor shan ay +198 io aril Bs Fit bs | I Eli battenytatsts eit py A ae we if dpapbeaes the fea wrtes wonky sim a aC ul BIOLOG® a The person charging this material is re- sponsible for its return on OT before the Latest Date stamped below. Theft, mutilation and underlinin are reasons for disciplinary action and result in dismissal from the University. UNIVERSITY OF ILLINOIS LIBRARY AT URBANA-CHAMPAIGN g of books may L161—O-1096 ‘) Pad ; 4 ‘ — 4 . AM . ; 7 : he * + ‘ . A + + cy t- DAYS WITH BIRDS STUDIES OF HABITS OF SOME EAST AFRICAN SPECIES V. G. L. VAN SOMEREN FIELDIANA: ZOOLOGY VOLUME 38 Published by CHICAGO NATURAL HISTORY MUSEUM JULY 20, 1956 fr a 2 4 d é ‘ ‘ ee - 7 i < Gow i i | - ; Cs, ae * - ' " > = eae salt ee eee a ee a ee ee ee ee - re _ rn ew ye SECRETARY BIRD Alighting in nest tree FIELDIANA: ZOOLOGY A Continuation of the ZOOLOGICAL SERIES of FIELD MUSEUM OF NATURAL HISTORY VOLUME 38 CHICAGO NATURAL HISTORY MUSEUM i AL RESEARCH Ie ie; ie TED UC CATS “ATION! erveretert Tai sssesasees: 6, FOU ED \o Magdeee, git THE LIBRARY OF THE JUL 25 1956 UNIVERSITY OF ILLINOIS CHICAGO NATURAL HISTORY MUSEUM CHICAGO, U.S.A. 1956 Printed with the Assistance of The Frederick R. and Abby K. Babcock Fund DAYS WITH BIRDS STUDIES OF HABITS OF SOME EAST AFRICAN SPECIES ane : wo obits : ao bas DAYS WITH BIRDS STUDIES OF HABITS OF SOME EAST AFRICAN SPECIES V. G. L. VAN SOMEREN PAS) CMa aS; MBO. FIELDIANA: ZOOLOGY VOLUME 38 Published by CHICAGO NATURAL HISTORY MUSEUM JULY 20, 1956 Editors AUSTIN L. RAND Chief Curator, Department of Zoology LILLIAN A. ROSS Associate Editor, Scientific Publications PRINTED IN THE UNITED STATES OF AMERICA BY CHICAGO NATURAL HISTORY MUSEUM PRESS YS sn ms CONTENTS List of Illustrations Introduction DARTERS: Family Anhingidae African Darter or Snake-neck Bird . Anhinga rufa rufa Lacép. and Daud. HERONS: Family Ardeidae Green-backed Heron ; se oe atl ee, on Butorides striatus atricapillus aie IBIS: Family Threskiornithidae Sacred Ibis . : Threskiornis aethiopicus Wehiohiaes iaths Hadada Ibis j Hagedashia hagedash Lath. DUCKS: Family Anatidae Egyptian Goose . Alopochen aegyptiacus inn: SECRETARY BIRD: Family Sagittariidae Secretary Bird : Sagittarius serpentarius Miller VULTURES: Family Aegypiidae Tawny or White-necked Vulture Pseudogyps africanus Salvad. Lappet-faced Vulture Torgos tracheliotus nubicus Sinith: White-headed Vulture . Trigonoceps occipitalis Burch. Egyptian Vulture . Neophron percnopterus sane Hooded Vulture Necrosyrtes monachus pileatds Burch: FALCONS and HAWKS: Family Falconidae African Yellow-billed Black Kite Milvus migrans parasitus Daud. PAGE 15 19 21 22 22 24 24 25 32 35 35 37 38 48 6 CONTENTS Black-shouldered Kite . Elanus caeruleus Desf. Tawny Eagle . : Aquila rapax rapax ‘Temm. Brown Harrier Eagle Circaetus cinereus Vieill. Red-tailed Buzzard Buteo rufofuscus augur Rupp. Red-breasted Sparrow Hawk Accipiter rufiventris Smith East African Goshawk . Astur tachiro nyanzae Neumn. Gabar Goshawk Melierax gabar Daud. QUAIL, etc.: Family Phasianidae Ukamba Gray-winged Francolin Francolinus africanus uluensis Grant Kenya Scaly Francolin . eas Francolinus squamatus maranensis Nera Orange-throated Spurfowl . Pternistis leucoscepus infuscatus Cab. Black-breasted or Harlequin Quail Coturnix delegorguei Deleg. RAILS, etc.: Family Rallidae African Knob-billed Coot Fulica cristata Gmel. PLOVER: Family Charadriidae Chestnut-banded Plover ; Charadrius venustus Fisch. and Reicha: Crowned Plover : Stephanibyx coronatus Badd: Saddle-backed Plover Hoplopterus armatus Burch. STONE PLOVER: Family Burhinidae Spotted Stone Plover or Dikkop . Burhinus capensis capensis Licht. Streaky Stone Plover or Water Dikkop . Burhinus vermiculatus vermiculatus Cab. PIGEONS: Family Columbidae Kenya Dusky Turtle Dove Streptopelia lugens funebrea van Sone PAGE 61 69 76 78 86 88 05 sh, ser d4 Lahl6 Seslalyy) 7 A 20 Bn PA a 2S = 125 ent | sol 29 7 do CONTENTS 7 PAGE Gray-vented RingsDoveior Red-evedsDOVew. casei ce eh eon ede ene, bee O Streptopelia semitorquata semitorquata Rupp. White-vented Ring Dove. . . . ergo ae ee ere peerage Pyne eae AMR NS I 0) Streptopelia capicola tropica Rech: Speckle-necked Laughing Dove . . . IW eed ad Ee oP ee ee ek of are Mall Stigmatopelia senegalensis aequatorialis Erl. iong-tailed: Ground: Doveior, Namaqua- Doves: mic Gs ts fo os ge eke oS AS Oena capensis capensis Linn. White-breasted Forest Dove or Tambourine Dove ......... ses a Tympanistria tympanistria frasert Bp. Emerald-spotted Ground Dove or Emerald-spotted Wood Dove . .... . . 148 Turtur chalcospilos chalcospilos Wag}. Bronze-necked: orest.Doveor,Wemon Dove... fic) tac eh ee ae oe Se ss Go aee ADL Aplopelia larvata larvata Temm. and Knip CUCKOOS: Family Cuculidae Red-breasted 10 6 244 4 hoe aa, ee te Male Tawny Vulture (White-necked Vulture) above Nest. . ....... . 33 Female White-headed Vulture Dropping Down to Nest... ....... =. 36 Hooded: ultare Alieneimne it est: Pree: i ose he ate 8 os ti be Bly eae SO Hooded Viultur ere nz 4s xc pte ce ea ee Ne ac Raters, Yara 0, et ane ah Dee Ce ee Week-old*@hick‘of HoodedsVinlture) 7.) G5 a3 a me ee Re ve se te A Sixeweeks-old: Ginick of Hooded Vulture 2.4.00 ee ee eee tS eee Black-shoulderedtkate AlightingoncNest'. 6,15. 5.46 6 oe ee ee eee i Ow Four-youngiol black-shouldereaunite | aya pane, te ne a eee eh or erence OF Six-months-oldBlack-shouldered site, 7/0 A, eo ee od Sess Me oe IOS Five-months-oldWawnybaple.. Sra. th. 4 ede. wa toe ey a ca te nea Ane AdultsRed=tailed Bazzardin (ren? te tq cme cesc ear Borne Gaur ce Cased Foy own eater Od Adult: Red-tailed -BuzzardsawNestper gg ict s ene Noose oe Ree ee et eee ee OS Male:and: Female Bast:African Goshawk:at: Nest). 3 4 605.5 5 3 22 4.3.3 4 89 Adult: Gabar GoshawkiatoNest, gb share) oe tt) phe) een Batok, teh ae LOD Female. Wkamba,.Gray-wingedPrancolin’ 272048 a ah et es ee ES Female Saddle-backed Plover Sitting on Eggs .. . . .......... =. 126 Female Streaky Stone Plover (Water Dikkop) at Nest .......... . 130 Male. Kenya: Dusky Eure: Dove and. Young «<4 sa. Ri Se ele es Se Female Gray-vented Ring Dove (Red-eyed Dove) Feeding Chick ... . . . 137 Male White-breasted Forest Dove (Tambourine Dove) Beginning to Regurgitate BOGUS: 6. oae. 214 C2 ta is eo ea Rares ve oe was Aas ne RE Cho BY ad hae Male Emerald-spotted Ground Dove (Emerald-spotted Wood Dove) Brooding WOUN G2 ek FE een cep ke ebro cole UN palreg anne toMS. pel iy 6 Aegean ten ena Young Bed- breasted: unckOo: fq ar sus a A arse ty eae ao eee an EOS Male. ¥ cllow-breasted emerald @ackoo. <0 cs 5b co) ks Gu ea a See Female Hackle-necked Coucal (White-browed Coucal) .......... . 161 15 16 LIST OF ILLUSTRATIONS PAGE Blue-crested Plantain-eater (Hartlaub’s Lourie) and Squirrel. . . . . 2. . . 165 Female Blue-crested Plantain-eater (Hartlaub’s Lourie) Feeding Chick . . . . 168 Male; Malachite-crestedKinptisher:2 4 2) to) ras es oe eens a eo ey ee LD Female White-bellied Kingfisher with Food for Young .......... . 183 Male White-bellied Kingfisher with Gecko Lizard in Bill . . . ...... . 184 Cinnamon-breasted.Bee-eaters= <2 -siy 3 re ee es se ee ee wes 18S Male Red-and-white-billed Hornbill (von der Decken’s Hornbill) at Nest Hole . 197 Female Kenya White-cheeked Coly (Kenya Speckled Mousebird) . . . . . . 203 Kenya White-cheeked Colies (Kenya Speckled Mousebirds) Feeding on Cactus PRULtt Barice seine Paci: Serene mew Aen er Stacy een pe me ae Me eek toh et DOD MalexPied *BarbetratuNest; Molen 2 cs.) Mannikins sx. sy s5- Ayr ok ey he A ee eee te Cee eet ee Rea Male Kenya Partridge Finch in Front of Entrance to Nest . . ..... . . 480 Foemiale Kenya.Vartridge Finch: 2° a-ak as eg tee AS | MalerBlack=vented:G@rimsongPinch) sf. petet sess Of aie, Giese anes s = AOS Grimsony hire: Finchratiu Nest i518. gs ol hi ces ge he 2 ina eile), as a eA OV: female Gray-headed: Waxbull at Nest. Soca a See ie ode gd Se, OR ow 1 490 Male and: Female. Masai Barréd Waxbills'at-Nest. : 3.0... Ge ws oe 493 Male: @range-bellied.\Waxbilly «42d or oe ue ne bak ae 2 eine te ee cr) ee 496 Male Crimson-cheeked Blue Waxbill Guarding Nest . ......... 2... 499 Male Uin-tailed (Pied): Wihydalinc co acr oo oe ee eae pe co ee eS Male Steely-blue -Pin-talled-Whydal)-* 00.9 4) bot a eg. Se het we eae, Oe Male Kenya Canary (Brimstone Serine) Regurgitating Food for Brooding FEMA so. eae rabies th tae BAe