REFERENCES
- Archer , G. F. and Godman , E. M. 1937 . Birds of British Somaliland and the Gulf of Aden London
- Benson , C. W. 1963 . The breeding seasons of birds in the Rhodesias and Nyasaland . Proc. XIII Intern. Ornithol. Congr.: , : 623 – 639 .
- Benson , C. W. , Brooke , R. K. and Vernon , C. J. 1964 . Bird breeding data for the Rhodesias and Nyasaland . Occ. Paper Nat. Mus. S.R. , 27B : 30 – 105 . No
- Brown , L. H. 1952 . On the biology of the large birds of prey of Embu District, Kenya Colony . Ibis , 94 : 577 – 620 . and 95:74–114
- Brown , L. H. 1955a . Supplementary notes on the biology of the large birds of prey of Embu District, Kenya Colony . Ibis , 97 : 38 – 221 . -64 and183
- Brown , L. H. 1955b . Eagles London
- Brown , L. H. 1960 . The African Fish Eagle Haliaetus vocifer especially in the Kaviroudo Gulf . Ibis , 102 : 285 – 297 .
- Brown , L. H. 1966 . Observations on some Kenya eagles . Ibis , 108 : 531 – 572 .
- Brown , L. H. and Watson , A. 1964 . The Golden Eagle in relation to its food supply . Ibis , 106 : 78 – 100 .
- Dorward , D. F. 1962 . Comparative biology of the White Booby and the Brown Booby Sula spp. at Ascension . Ibis , 103b : 174 – 220 .
- Gargett , V. 1967 . Black Eagle experiment . Bokmakierie , 19 : 88 – 90 .
- Hanse , W. A. 1962 . Preliminary studies on the Dassie. Its relation to farming and methods of control . Cape Prov. Dept. Conservation Ann. Report No. , 19 : 108 – 121 .
- Ingram , C. 1959 . The importance of juvenile cannibalism in the breeding biology of certain birds of prey . Auk , 76 : 218 – 26 .
- Kolbe , F. F. 1967a . “ A plea for Dassies. ” . In African Wild Life 237 – 248 . (21)3
- Kolbe , F. F. 1967b . A contribution to the knowledge and significance of the rock-hyrax. Symposium of the Zoological Society of Southern Africa on Terrestrial Animal Ecology in Southern Africa. Pretoria, July 11–14 1967
- Lack , D. 1966 . Population Studies of Birds Oxford
- McLachlan , G. R. and Liversidge , R. 1957 . Roberts' Birds of South Africa Cape Town
- Moreau , R. E. 1950 . The breeding seasons of African birds—1. Land birds . Ibis , 92 : 223 – 267 .
- Nelson , J. B. 1966a . Clutch size in the Sulidae . Nature , 210 ( 5034 ) : 435 – 436 .
- Nelson , J. B. 1966b . Population dynamics of the Gannet (Sula bassana) at the Bass Rock, with comparative information from other Sulidae . J. Anim. Ecol. , 35 : 443 – 470 .
- Rowe , E. G. 1947 . The breeding biology of Aquila verreauxi Lesson . Ibis , 89 : 387 – 410 . 576–606
- Sale , J. B. 1965 . Hyrax feeding on poisonous plants . E. Afr. Wildlife J. , 3 : 127
- Sale , J. B. 1965 . The feeding behaviour of rock hyraxes (Genera: Procavia Heterohyrax) in Kenya . E.Afr. Wildlife J. , 3 : 1 – 18 .
- Sale , J. B. 1966 . Daily food consumption and mode of ingestion in the Hyrax . J.E. Afr. Nat. Hist. Soc. , 25 ( 3 ) : 215 – 224 .
- Skutch , A. F. 1967 . Adaptive limitation of the reproductive rate of birds . Ibis. , 109 : 579 – 599 .
- Siegfried , W. R. 1963 . A preliminary report on the Black and Martial eagles in the Laingsburg and Philipstown divisions. Cape Prov. Dept. Conservation— . Invest. Report , No. 5 : 1 – 15 .
- Simmons , K. E. L. 1967 . Ecological adaptations in the life history of the Brown Booby at Ascension Island. Sixth annual . Cornell laboratory of Ornithology: , : 187 – 212 .
- Turner , M. I.M. and Watson , R. M. 1965 . An introductory study on the ecology of hyrax (Dendrohyrax brucei Procavia Johnstoni) in the Serengeti National Park . E. Afr. Wildlife J. , 3 : 49 – 60 .
- Vernon , C. J. 1965 . The 1964 Black Eagle survey in the Matopos, Rhodesia . Arnoldia , 2 ( 6 ) : 1 – 9 .
- Visser , J. 1963 . The Black eagles of Zuurhoek, Jansenville . African Wild Life , 17 : 191 – 194 .
- Wendland , V. 1958 . Zum Problem des vorzeitigen Sterbens von jungen Greifvögeln und Eulen . Vogelwarte , 19 : 186 – 191 .
- Wynne-Edwards , V. C. 1962 . Animal Dispersion in Relation to Social Behaviour Edinburgh