Adams, N.J. & Brown, C.R. 1989. Dietary differentiation & trophic relationships in the sub-Antarctic penguin community at Marion Island. Marine Ecology Progress Series 57:249-258.
Adams, N.J. & Klages, N.T. 1989. Temporal variation in the diet of the Gentoo Penguin Pygoscelis papua at sub-Antarctic Marion Island. Colonial Waterbirds 12:30-36.
Allan, D. 1989. Results of a national White Stork counting weekend in South Africa. (In: Rheinwald, G., Ogden, J. & Schulz, H., eds. White Stork - status and conservation. Proceedings of the First International Stork Conservation Symposium, Walsrode, 14-19 October 1985. Braunschweig: DDA. pp. 365-371.
Allan, D. 1989. Poisoning of Redbilled Queleas in South Africa. Gabar 4(2): 2-3.
Allan, D. 1989. Review: Birds to watch: the ICBP world checklist of threatened birds (Collar & Andrew). Ostrich 60:138-139.
Allan, D. 1989. Review: Ecology and conservation of grassland birds (Goriup). Ostrich 60:140.
Allan, D.G. 1989. Strychnine poison and the conservation of avian scavengers in the Karoo, South Africa. South African Journal of Wildlife Research 19:102-106.
Armstrong, A.J. & Siegfried, W.R. 1989. Citation between 1983 and 1987 of papers published in Ostrich from 1963-1982. Ostrich 60:122-127.
Berruti, A., Adams, N.J. & Jackson, S. 1989. The Benguela ecosystem part VI seabirds. Oceanography and Marine Biology Annual Review 27:273-335.
Bosman, A.L., Hockey, P.A.R. & Underhill, L.G. 1989. Oystercatcher predation and limpet mortality: the importance of refuges in enhancing the reproductive output of prey populations. Veliger 32:120-129.
Breytenbach, G.J. 1989. Alien control: can we afford to slash and burn Hakea in fynbos ecosystems? South African Forestry Journal 151:6-16.
Brooke, M. DE L. 1989. Determination of the absolute visual threshold of a nocturnal seabird, the Common Diving Petrel Pelecanoides urinatrix. Ibis 131:290-294.
Brooke, R.K. 1989. Second specimen record of the Whiteheaded Petrel Pterodroma lessonii for Africa. Cormorant 17:86.
Brooke, R.K. 1989. Alien aquatic birds in southern Africa. (In: De Moor, I.J. & Bruton, M.N., eds. The management of invasive aquatic animals in southern Africa. Ecosystem Programmes Occasional Report 44:18-24.
Brown, C.R. 1989. Energy requirements and food consumption of Eudyptes penguins at the Prince Edward Islands. Antarctic Science 1:15-21.
Cooper, J. 1989. Review: The skuas (Furness). Ostrich 60:48.
Cooper, J. & Berruti, A. 1989. The conservation status of South Africa's continental and oceanic islands. (In: Huntley, B.J., ed.. Biotic diversity in southern Africa: concepts and conservation. Cape Town: Oxford University Press. pp. 239-253
Cooper, J. & Pillay, D. 1989. Publications and theses on Antarctic and sub-Antarctic birds. Cormorant 17:19-26.
Crowe, T.M. 1989. Pan-African ornithology divided. Nature 338:11-12.
Crowe, T.M. 1989. Botanists, zoologists, palaeobiologists, biogeographers, earth scientists and molecular biologists, unite! South African Journal of Science 85:417. (Reprinted in Origin 1(1):2.)
Crowe, T.M. 1989. Vertebrate systematics and biogeography in the tropics. South African Journal of Science 85:497. (Reprinted in Origin 1(1):10-12.)
Crowe, T.M. 1989. Science as a battle - Review: Science as a process: an evolutionary account of the social and conceptual development of science (Hull). South African Journal of Science 85:632. (Reprinted in Origin 1(1): 8-10.)
Crowe, T.M., Kemp, A.C., Earle, R.A. & Grant, W.S. 1989. Systematics is the most essential but the most neglected, biological science. South African Journal of Science 85:418-423. (Reprinted in Origin 1(1):30-35.)
Dean, W.R.J. 1989. A review of the genera Calandrella, Spizocorys and Eremalauda (Alaudidae). Bulletin of the British Ornithologists' Club 109:95-100.
Dean, W.R.J. 1989. Birds attracted to a fire in mountain fynbos. Ostrich 60:87-88.
Dean, W.R.J. 1989. The nest, egg and nestlings of the Red Lark Certhilauda burra. Ostrich 60:158.
Dean, W.R.J. 1989. Foraging and forager-recruitment in Ophthalmopone hottentota Emery (Hymenoptera: Formicidae). Psyche 96:123-130.
Dean, W.R.J. & Craig, A.J.F.K., eds. 1989. Birds of evergreen forest. Ostrich supplement 14:1-131.
Dean, W.R.J. & Craig, A.J.F.K. 1989. Introduction. (In: Dean, W.R.J. & Craig, A.J.F.K., eds. Birds of evergreen forest. Ostrich supplement 14:i.)
Dean, W.R.J. & Hockey, P.A.R. 1989. An ecological perspective of lark (Alaudidae) distribution and diversity in the southwest-arid zone of Africa. Ostrich 60:27-34.
Dean, W.R.J. & Skead, D.M. 1989. Survival and recovery rates of Yellow-billed Ducks. Journal of Wildlife Management 53:119-122.
Du Plessis, M.A. 1989. The influence of roost-cavity availability on flock size in the Redbilled Woodhoopoe Phoeniculus purpureus. (In: Dean, W.R.J. & Craig, A.J.F.K., eds. Birds of evergreen forest. Ostrich supplement 14:97-103.)
Duffy, D.C. 1989. Seabird foraging aggregations: a comparison of two southern upwellings. Colonial Waterbirds 12:164-175.
Earle, R.A. & Brooke, R.K. 1989. Taxonomy, distribution, migration and moult of the Redbreasted Swallow Hirundo semirufa. Ostrich 60:151-158.
Ferguson, J.W.H. & Siegfried, W.R. 1989. Environmental factors influencing nest-site preference in White-browed Sparrow-Weavers (Plocepasser mahali). Condor 91:100-107.
Fraser, M.W. 1989. Short-term responses of birds to fire in old mountain fynbos. Ostrich 60:172-182.
Harrison, J.A. 1989. Atlassing as a tool in conservation, with special reference to the Southern African Bird Atlas Project. (In: Huntley, B.J., ed. Biotic diversity in southern Africa: concepts and conservation. Cape Town: Oxford University Press. pp. 157-169)
Hoberg, E.P. & Ryan, P.G. 1989. Ecology of helminth parasitism in Puffinus gravis (Procellariiformes) on the breeding grounds at Gough Island. Canadian Journal of Zoology 67:220-225.
Hockey, P.A.R. 1989. Coastal and marine conservation in South Africa: towards a strategy for the 21st century. (In: Cooper, K.H., ed. Proceedings of a National Conference: Priorities for Conservation in South Africa. Durban: Wildlife Society of Southern Africa. pp. 88-111)
Hockey, P.A.R. 1989. Review: Ecologie et comportement des gobe-mouches (Aves: Muscicapinae, Platysteirinae, Monarchinae) du nord-est du Gabon (Erard). Ostrich 60:95.
Hockey, P.A.R. & Buxton, C.D. 1989. Conserving biotic diversity on southern Africa's coastline. (In: Huntley, B.J., ed. Biotic diversity in southern Africa: concepts and conservation. Cape Town: Oxford University Press. pp. 298-309.)
Hockey, P.A.R., Ryan, P.G. & Bosman, A.L. 1989. Age-related intraspecific kleptoparasitism and foraging success of Kelp Gulls Larus dominicanus. Ardea 77:205-210.
Hockey, P.A.R., Underhill, L.G., Neatherway, M. & Ryan, P.G. 1989. Atlas of the birds of the southwestern Cape. Cape Town: Cape Bird Club. 236 pp.
Hunter, S. & Klages, N.T.W. 1989. The diet of Grey-headed Albatrosses Diomedea chrysostoma at the Prince Edward Islands. South African Journal of Antarctic Research 19:1-33.
Huntley, B., Siegfried, R. & Sunter, C. 1989. South African environments into the 21st century. Tafelberg: Human & Rousseau. 127 pp.
Knight, R.S., Rebelo, A.G. & Siegfried, W.R. 1989. Plant assemblages on mima-like earth mounds in the Clanwillian District, South Africa. South African Journal of Botany 55:465-472.
Koen, J.H. 1989. Stratal distribution and resource partitioning of birds in the Knysna Forest (abstract). (In: Dean, W.R.J. & Craig, A.J.F.K., eds. Birds of evergreen forest. Ostrich supplement 14:38.)
Koen, J.H. & Crowe, T.M. 1989. Animal habitat relationships in the Knysna Forest (abstract). (In: Dean, W.R.J. & Craig, A.J.F.K., eds. Birds of evergreen forest. Ostrich supplement 14:48.)
Komen, J. 1989. European Reed Warbler records. Ostrich 60:91-93.
Komen, J. & Myer, E. 1989. Observations on post-fledging dependence of Kestrels (Falco tinnunculus rupicolus) in an urban environment. Journal of Raptor Research 23:94-98.
Kruger, F.J., Breytenbach, G.J., Macdonald, I.A.W. & Richardson, D.M. 1989. The characteristics of invaded Mediterranean-climate regions. (In: Drake, J.A., Mooney, H.A., Di Castri, F., Groves, R.H., Kruger, F.J., Rejmanek, M. & Williamson, M., eds. Biological invasions. Chichester: John Wiley. pp. 181-213.)
Lipinski, M.R. & Jackson, S. 1989. Surface-feeding on cephalopods by procellariiform seabirds in the southern Benguela region, South Africa. Journal of Zoology, London 218:549-563.
Little, R.M. 1989. Review: The Pheasant: ecology, management and conservation (Hill & Robertson). Ostrich 60:140.
Little, R.M. 1989. Review: Ecology and management of gamebirds (Hudson & Rands). Ostrich 60:150.
Lovegrove, B.G. & Siegfried, W.R. 1989. Spacing and Origin(s) of mima-like earth mounds in the Cape Province of South Africa. South African Journal of Science 85:108-112.
Macdonald, I.A.W. 1989. Conservation priorities in the prevention and management of biological invasions in South Africa. (In: Cooper, K.H., ed. Proceedings of a National Conference: Priorities for Conservation in South Africa. Durban: Wildlife Society of Southern Africa. pp. 37-42.)
Macdonald, I.A.W. 1989. Invasions of alien species and development: inescapable consequences or management challenges. Keynote address: Proceedings of the World Environment Day Symposium, 8 June 1989, Randburg. Johannesburg: Environmental Planning Professions Interdisciplinary Committee. pp. 1-5.
Macdonald, I.A.W. 1989. Man's role in changing the face of southern Africa. (In: Huntley, B.J., ed. Biotic diversity in southern Africa: concepts and conservation. Cape Town: Oxford University Press. pp. 51-77.)
Macdonald, I.A.W. 1989. Review: The value of birds (Diamond). Ostrich 60:94-95.
Macdonald, I.A.W. 1989. A southern hemisphere contribution to the IGBP. South African Journal of Science 85:356.
Macdonald, I.A.W., Clark, D.L. & Taylor, H.C. 1989. The history and effects of alien plant control in the Cape of Good Hope Nature Reserve, 1941-1987. South African Journal of Botany 55:56-75.
Macdonald, I.A.W., Loope, L.L., Usher, M.B. & Hamman, O. 1989. Wildlife conservation and the invasion of nature reserves by introduced species: a global perspective. (In: Drake, J.A., Mooney, H.A., Di Castri, F., Groves, R.H., Kruger, F.J., Rejmanek, M. & Williamson, M., eds. Biological invasions. Chichester: John Wiley. pp. 215-255.)
Macdonald, I.A.W., Pressinger, F.M. & Tennant, M.A.C. 1989. List of South African spatio-temporal databases of relevance to the Geosphere-Biosphere Programme (3rd edition). Ecosystem Programmes Occasional Report 43:1-95.
Macdonald, I.A.W. & Wissel, C. 1989. Costing the initial clearance of alien Acacia species invading fynbos vegetation. South African Journal of Plant and Soil 6:39-45.
Malan, G., Tennant, H.J. & Bigalke, R.C. 1989. A live trap for the capture of Greywing Francolin. South African Journal of Wildlife Research 19:156-157.
Navarro, R.A., Velasquez, C.R. & Schlatter, R.P. 1989. Diet of the Surfbird in southern Chile. Wilson Bulletin 101:137-141.
Newton, I.P. & Fugler, S.R. 1989. Notes on the winter-breeding Greatwinged Petrel Pterodroma macroptera and Grey Petrel Procellaria cinerea at Marion Island. Cormorant 17: 27-34.
Nicolai, V. 1989. Thermal properties and fauna on the bark of trees in two different African ecosystems. Oecologia 80:421-430.
Nicolai, V. 1989. Mikroclima und Fauna mitteleuropaeischer und afrikanischer Baumrinden. Verhandlungen der Gesellschaft für Oekologie 17:417-424.
Oatley, T.B. 1989. Information from White Stork ring recoveries in southern Africa. (In: Rheinwald, G., Ogden, J. & Schulz, H., eds. White Stork - status and conservation. Proceedings of the First International Stork Conservation Symposium, Walsrode, 14-19 October 1985. Braunschweig: DDA. pp. 357-360.)
Oatley, T.B. 1989. Antarctic and sub-Antarctic seabird banding, July 1985 - June 1986. Cormorant 17:35-40.
Oatley, T.B. 1989. Review: The birds of the western Palearctic, vol. 5. (Cramp Ed.). Ostrich 60:138.
Oatley, T.B., Earle, R.A. & Prins, A.J. 1989. The diet and foraging behaviour of the Ground Woodpecker. Ostrich 60:75-84.
Oatley, T.B. & Tinley, K.L. 1989. The forest avifauna of Gorongosa Mountain, Mozambique. In: Dean, W.R.J. & Craig, A.J.F.K., eds. Birds of evergreen forest. Ostrich supplement 14:57-61.)
Preston, G.R., Fuggle, R.F. & Siegfried, W.R. 1989. Attitudes of business leaders and professional ecologists to environmental evaluations in South Africa. South African Journal of Science 85:430-434.
Preston, G.R., Fuggle, R.F. & Siegfried, W.R. 1989. Environmental issues in South Africa: perceptions of professional ecologists and business leaders. South African Journal of Wildlife Research 19:145-155.
Rebelo, A.G., Holmes, P.M., Hilton-Taylor, C., Samper, C., Knight, R.S., Kurtzweil, H. & Bapst, P. 1989. Branching patterns in Aloe dichotoma - is A. ramosissima a separate species? Madoqua 16:23-26.
Richardson, D.M., Macdonald, I.A.W. & Forsyth, G.G. 1989. Reductions in plant species richness under stands of alien trees and shrubs in the fynbos biome. South African Forestry Journal 149:1-8.
Ryan, P.G. 1989. Common Nighthawk Chordeiles minor and new records of seabirds from Tristan da Cunha and Gough Islands. Bulletin of the British Ornithologists' Club 109:147-149.
Ryan, P.G. 1989. Interactions with organisms - rapporteur's comments. Report on Workshop "Marine Biogeochemical Cycles". Ecosystem Programme Occasional Report 42:17-19.
Ryan, P.G. 1989. The distribution and abundance of Longtailed Skuas off southern Africa. Ostrich 60:89-90.
Ryan, P.G., Avery, G., Rose, B., Ross, G.J.B., Sinclair, J.C. & Vernon, C.J. 1989. The Southern Ocean seabird irruption to South African waters during winter 1984. Cormorant 17:41-55.
Ryan, P.G. & Cooper, J. 1989. The distribution and abundance of aerial seabirds in relation to Antarctic Krill in the Prydz Bay region, Antarctica, during late summer. Polar Biology 10:199-209.
Ryan, P.G. & Cooper, J. 1989. Observer precision and bird conspicuousness during counts of birds at sea. South African Journal of Marine Science 8:271-276.
Ryan, P.G., Moloney, C.L. & Watkins, B.P. 1989. Concern about the adverse effect of introduced Mice on Island Tree Phylica arborea regeneration. South African Journal of Science 85:626-627.
Ryan, P.G. & Rose, B. 1989. Migrant seabirds. (In: Payne, A.I.L. & Crawford, R.J.M., eds. Oceans of life off southern Africa.. Cape Town: Vlaeberg Publishers. pp. 274-287.)
Ryan, P.G. & Watkins, B.P. 1989. Snow Petrel breeding biology at an inland site in Continental Antarctica. Colonial Waterbirds 12: 176-184.
Ryan, P.G. & Watkins, B.P. 1989. The influence of physical factors and ornithogenic products on plant and arthropod abundance at an inland nunatak group in Antarctica. Polar Biology 10:151-160.
Ryan, P.G., Watkins, B.P. & Siegfried, W.R. 1989. Morphometrics, metabolic rate and body temperature of the smallest flightless bird: the Inaccessible Island Rail. Condor 91:465-467.
Ryan, P.G., Watkins, B.P., Smith, R.I.L., Dastych, H., Eicker, A., Fooissner, A., Heatwole H., Miller, W.R. & Thompson, G. 1989. Biological survey of Robertskollen, western Dronning Maud Land: area description and preliminary species lists. South African Journal of Antarctic Research 19:10-20.
Seddon, P.J. 1989. Patterns of nest relief during incubation, and incubation period variability in the Yellow-eyed Penguin (Megadyptes antipodes). New Zealand Journal of Zoology 16:393-400.
Seddon, P.J. & Davis, L.S. 1989. Nest-site selection by Yellow-eyed Penguins. Condor 91:653-659.
Shannon, L.V., Siegfried, W.R. & Ward, J.D. 1989. Namib-Benguela interactions. South African Journal of Science 85:277-279.
Seiler, H.W. & Prys-Jones, R.P. 1989. Mate competition, mate guarding, and unusual timing of copulations in the Cape Sugarbird (Promerops cafer). Ostrich 60:159-164.
Siegfried, W.R. 1989. Introduction. (In: Payne, A.I.L. & Crawford, R.J.M., eds. Oceans of life off southern Africa. Cape Town: Vlaeberg Publishers. pp. 1-3.)
Siegfried, W.R. 1989. Ecology and economics. (In: Mentis, M.T., ed. Proceedings of a Symposium on a Controlled versus Free Market Environmentalism. South African Institute of Ecologists Bulletin special issue 89(1):5-10.)
Siegfried, W.R. 1989. Preservation of species in southern African nature reserves. (In: Huntley, B.J., ed. Biotic diversity in southern Africa: concepts and conservation. Cape Town: Oxford University Press. pp. 186-201.)
Siegfried, W.R. 1989. Concluding commentary - Proceedings of the Namib-Benguela Interactions Workshop. Ecosystem Programmes Occasional Report 41:29-32.
Siegfried, W.R. & Brooke, R.K. 1989. Alternative life-history styles of South African birds. (In: Bruton, M.N., ed. Alternative life-history styles of animals. Dordrecht: Kluwer Academic Publishers. pp. 385-420.)
Siegfried, W.R., Macdonald, I.A.W., Bucher, E., Budd, B. & Banage, W. 1989. Southern hemisphere environments and change in global climates. (In: Walker, B.H. & Dickson, R.G., eds. Southern hemisphere perspectives of global change: scientific issues, research needs and proposed activities, IGBP Report 9:1-7. Stockholm: IGBP.)
Steele, W.K. 1989. Review: Shorebirds: an identification guide to the waders of the world (Hayman, Marchant & Prater). Cormorant 17:91.
Steele, W.K. 1989. Factors influencing inland foraging by gulls. Ostrich 60:45-47.
Thompson, D.R. & Furness, R.W. 1989. The chemical form of mercury stored in South Atlantic seabirds. Environmental Pollution 60:305-317.
Tazawa, H., Whittow, G.C., Turner, J.S. & Paganelli, C.V. 1989. Metabolic responses to gradual cooling in Chicken eggs treated with thiourea and oxygen. Comparative Biochemistry and Physiology 92A:619-622.
Underhill, L.G. & Fraser, M.W. 1989. Bayesian estimate of the number of Malachite Sunbirds feeding at an isolated and transient nectar resource. Journal of Field Ornithology 60:382-387.
Underhill, L.G., Prys-Jones, R.P., Norman, S.C. & Lawn, M. 1989. The biannual primary moult of adult Willow Warblers Phylloscopus trochilus in Europe and Africa: an application of a new technique (abstract). (In: Dean, W.R.J. & Craig, A.J.F.K., eds. Birds of evergreen forest. Ostrich supplement 14:16.)
Van Heezik, Y.M. 1989. Diet of the Fiordland Crested Penguin during the post-guard phase of chick growth. Notornis 36:151-156.
Van Heezik, Y. & Seddon, P. 1989. Stomach sampling in the Yellow-eyed Penguin: erosion of otoliths and squid beaks. Journal of Field Ornithology 60:451-458.
Vernon, C.J., Macdonald, I.A.W. & Dean, W.R.J. 1989. Birds of an isolated tropical lowland rainforest in eastern Zimbabwe. (In: Dean, W.R.J. & Craig, A.J.F.K., eds. Birds of evergreen forest. Ostrich supplement 14:111-122.)
Walton, D.W.H. & Siegfried, W.R. 1989. Fifth SCAR Biology Symposium, Hobart, September 1988. Antarctic Science 1:83-84.
Williams, J.B. 1989. Review: Comparative physiology of the vertebrate kidney (Dantzler). BioScience 39:652-653.
Wilson, R.P., Nagy, K.A. & Obst, B.S. 1989. Foraging ranges of penguins. Polar Record 25:303-307.
Wilson, R.P., Ryan, P.G. & Wilson, M.-P. 1989. Sharing food in the stomachs of seabirds between adults and chicks - a case for delayed gastric emptying. Comparative Biochemistry and Physiology 94A:461-466.
Wilson, R.P. & Wilson, M.-P.T. 1989. Substitute burrows for penguins on guano-free islands. Gerfaut 79:125-131.
Wilson, R.P. & Wilson, M.-P.T. 1989. A peck activity record for birds fitted with devices. Journal of Field Ornithology 60:104-108.
Wilson, R.P., Wilson, M.-P., Duffy, D.C., Braulio Araya, M. & Klages, N. 1989. Diving behaviour and prey of the Humboldt Penguin (Spheniscus humboldti). Journal fuer Ornithologie 130:75-79.
