Belcher, C., Winterbottom, J.M. and Skead, C.J. 1971. The birds of Kokstad. South African Avifauna Series 76: 1-23.
Blaker, D. 1971. Range expansion of the Cattle Egret. Ostrich supplement 9: 27-30.
Broekhuysen, G.J. and Siegfried, W.R. 1971. Age and moult in the Steppe Buzzard in southern Africa. Ostrich supplement 8: 223-237.
Broekhuysen, G.J. and Siegfried, W.R. 1971. Dimensions and weight of the Steppe Buzzard in southern Africa. Ostrich supplement 9: 31-39.
Clancey, P.A., Brooke, R.K., Liversidge, R., Maclean, G., Smithers, R.H.N. and Winterbottom, J.M. 1971. Falco exilis Temminck 1830: proposed invalidation under the plenary powers in order to conserve Accipiter rufiventris Smith, 1830 (Aves). Z.N.(S.) 1956. Bulletin of Zoological Nomenclature 28: 114-116.
Elliott, C.C.H. 1971. Bird ringing in southern Africa. In: Newman, K. (Ed.), Birdlife in southern Africa, pp. 217-226. Johannesburg: Purnell.
Elliott, C.C.H. 1971. Ecological considerations and the possible significance of weight variations in the chicks of the Greater Shearwater on Gough Island. Ostrich supplement 8: 385-396.
Elliott, C.C.H. 1971. Analysis of the ringing and recoveries of three migrant terns. Ostrich supplement 9: 71-82.
Farkas, T. 1971. Monticola bensoni, a new species from south-western Madagascar. Ostrich supplement 9: 83-90.
Jarvis, M.J.F. 1971. The South African Gannet (Sula capensis). Cape Town: University of Cape Town Libraries: 10 pp.
Jarvis, M.J.F. 1971. Interactions between man and the South African Gannet Sula capensis. Ostrich supplement 8: 497-513.
Jarvis, M.J.F. and Cram, D.L. 1971. Bird Island, Lambert's Bay, South Africa: an attempt at conservation. Biological Conservation 3: 269-272.
Payne, R.B. 1971. Paradise whydahs Vidua paradisaea and V. obtusa of southern and eastern Africa, with notes on differentiation of the females. Bulletin of the British Ornithologists' Club 91: 66-76.
Payne, R.B. 1971. Duetting and chorus singing in African birds. Ostrich supplement 9: 125-146.
Rowan, M.K. 1971. Review: A checklist of the birds of Ethiopia (Urban & Brown). Ostrich 42: 84.
Rowan, M.K. 1971. Review: Eagles (Brown). Ostrich 42: 84.
Rowan, M.K. 1971. Review: Catalogue of the birds eggs in the collection of the National Museums of Rhodesia (James). Ostrich 42: 159.
Rowan, M.K. 1971. Review: African birds of prey (Brown). Ostrich 42: 303.
Rowan, M.K. 1971. The foods of South African birds. Ostrich supplement 8: 343-356.
Rowan, M.K. 1971. On temperature and disease as limiting factors in distribution. Ostrich supplement 9: 147-151.
Siegfried, W.R. 1971. Our ducks and geese. In: Newman, K. (Ed.), Birdlife in southern Africa, pp. 83-92. Johannesburg: Purnell.
Siegfried, W.R. 1971. Feeding activity of the Cattle Egret. Ardea 59: 38-46.
Siegfried, W.R. 1971. The status of the Bald Ibis of southern Africa. Biological Conservation 3: 88-91.
Siegfried, W.R. 1971. Feeding association between Podiceps ruficollis and Anas smithii. Ibis 113: 236-238.
Siegfried, W.R. 1971. The food of the Cattle Egret. Journal of Applied Ecology 8: 447-468.
Siegfried, W.R. 1971. Weights of three species of Streptopelia doves. Ostrich 42: 155-157.
Siegfried, W.R. 1971. Chukar Partridge on Robben Island. Ostrich 42: 158.
Siegfried, W.R. 1971. Moult of the primary remiges in three species of Streptopelia doves. Ostrich 42: 161-165.
Siegfried, W.R. 1971. The nest of the Cattle Egret. Ostrich 42: 193-197.
Siegfried, W.R. 1971. Affinities of the small African and Palaearctic buteos. Ostrich supplement 8: 41-46.
Siegfried, W.R. 1971. Plumage and moult of the Cattle Egret. Ostrich supplement 9: 153-164.
Siegfried, W.R. 1971. Communal roosting of the Cattle Egret. Transactions of the Royal Society of South Africa 39: 419-443.
Siegfried, W.R. 1971. Population dynamics of the Cattle Egret. Zoologica Africana 6: 289-292.
Siegfried, W.R. and Broekhuysen, G.J. 1971. Zum Verhalten des Falkenbussards (Buteo buteo vulpinus) in der suedwestlichen Kap-Provinz. Vogelwarte 26: 78-86.
Siegfried, W.R. and Frost, P.G.H. 1971. Indeterminate Buteo breeding in the south-western Cape. Ostrich 42: 73-74.
Siegfried, W.R. and Frost, P.G.H. 1971. Soft-part colours of the Madagascar Harrier Hawk. Ostrich 42: 79.
Siegfried, W.R. and Skead, D.M. 1971. Status of the Lesser Kestrel in South Africa. Ostrich 42: 1-4.
Van Zinderen Bakker, E.M. Jnr 1971. Comparative avian ecology. In: Van Zinderen Bakker, E.M. Snr, Winterbottom, J.M. and Dyer, R.A. (Eds), Marion and Prince Edward Islands, pp. 161-172. Cape Town: Balkema.
Van Zinderen Bakker, E.M. Jnr 1971. Birds observed at sea from Prince Edward Island to Cape Town. In: Van Zinderen Bakker, E.M. Snr, Winterbottom, J.M. and Dyer, R.A. (Eds), Marion and Prince Edward Islands, pp. 249-250. Cape Town: Balkema.
Van Zinderen Bakker, E.M. Jnr 1971. A behaviour analysis of the Gentoo Penguin (Pygoscelis papua Forster). In: Van Zinderen Bakker, E.M. Snr, Winterbottom, J.M. and Dyer, R.A. (Eds), Marion and Prince Edward Islands, pp. 251-272. Cape Town: Balkema.
Van Zinderen Bakker, E.M. Jnr 1971. The genus Diomedea. In: Van Zinderen Bakker, E.M. Snr, Winterbottom, J.M. and Dyer, R.A. (Eds), Marion and Prince Edward Islands, pp. 273-282. Cape Town: Balkema.
Van Zinderen Bakker, E.M. Snr, Winterbottom, J.M. and Dyer, R.A. (Eds) 1971. Marion and Prince Edward Islands. Cape Town: Balkema: 427 pp.
Westphal, A. and Rowan, M.K. 1971. Some observations on the effects of oil pollution on the Jackass Penguin. Ostrich supplement 8: 521-526.
Winterbottom, J.M. 1971. A preliminary check list of the birds of South West Africa. Windhoek: S. W. A. Scientific Society: 268 pp.
Winterbottom, J.M. 1971. An introduction to animal ecology in southern Africa. Cape Town: Maskew Miller: 68 pp.
Winterbottom, J.M. 1971. Priest's eggs of southern African birds. Cape Town: Winchester Press: 235 pp.
Winterbottom, J.M. 1971. The position of Marion Island in the Sub-Antarctic avifauna. In: Van Zinderen Bakker, E.M. Snr, Winterbottom, J.M. and Dyer, R.A. (Eds), Marion and Prince Edward Islands, pp. 241-248. Cape Town: Balkema.
Winterbottom, J.M. 1971. Index to Ostrich, vol. 41, 16 pp.
Winterbottom, J.M. 1971. Review: Ornithology in laboratory and field (Pettingill). Ostrich 42: 83-84.
Winterbottom, J.M. 1971. Results of the garden bird counts organized by the Percy FitzPatrick Institute of African Ornithology part 2. Ostrich 42: 110-118.
Winterbottom, J.M. 1971. Redbreasted Swallow Hirundo semirufa. In: New distributional data: 3. Ostrich 42: 139.
Winterbottom, J.M. 1971. Seasonal changes in the passerine avifauna of the Cape macchia. Ostrich 42: 291-293.
Winterbottom, J.M. 1971. Results of the garden bird counts organized by the Percy FitzPatrick Institute of African Ornithology: part 1. Ostrich supplement 8: 449-469.
Winterbottom, J.M. 1971. The birds of the Deka Expedition. Ostrich supplement 9: 5-26.
Winterbottom, J.M. 1971. Water and wild life. South African Journal of Science 67: 101-102.