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Frost PGH, Siegfried WR, Greenwood PJ, Burger AE 1973. Behavioural adaptations of the Jackass penguin to a hot, arid environment. Ornithologische Arbeitsgruppe SWA Wissenschaftliche Gesellschaft 9 (7/8) 3

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Behavioural adaptations to the Jackass Penguin to hot arid environemnts_1973.pdf	163.51 KB

Frost PGH, Siegfried WR, Cooper J 1976. Conservation of the Jackass Penguin (Spheniscus demersus (L)). Biological Conservation 9 79 - 99

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Conservation of the Jackass Penguin.pdf	1.81 MB

Siegfried WR 1981. The incidence of veld-fire in the Etosha National Park, 1970-1979. Madoqua 12 (4) 225-230

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The incidence of veld_fire_ENP 1970_1979.pdf	342.34 KB

Siegfried WR 1980. Vigilance and group size in Springbok. Madoqua 12 (3) 151-154

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Vigilance and groupo size in Springbok.pdf	420.04 KB

Berry HH, Siegfried WR, Crowe TM 1982. Activity Patterns in a Population of Free-ranging Wildebeest Connochaetes taurinus at Etosha National Park. Zeitschrift für Tierpsychologie 59 (3) 229-246

Website link:http://onlinelibrary.wiley.com/doi/10.1111/j.1439-0310.1982.tb00340.x/abstract

Berry HH, Siegfried WR 1991. Mosaic-Like Events in Arid and Semi-Arid Namibia. The Mosaic-Cycle Concept of Ecosystems Ecological Studies 85 147-160

Website link:http://link.springer.com/chapter/10.1007/978-3-642-75650-4_8

Siegfried WR, Crawford RJM, Shannon LV, Pollock DE, Payne AIL, Krohn RG 1990. Scenarios for global-warming induced change in the open-ocean environment and selected fisheries of the west-coast of southern Africa. South African Journal of Science 86 281 – 285

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Scenarios for global_warming induced change in the open_ocean environment and selected fisheries of the west_coast of southern Africa.pdf	649.04 KB

Crawford RJM, Siegfried WR, Shannon LV, Villacastin-Herrero CA, Underhill LG 1990. Environmental-influences on marine biota off southern Africa. South Africa Journal of Science 86 330-339

Website link:https://www.researchgate.net/publication/292622490_Environmental_influences_on_marine_biota_off_Southern_Africa

Macdonald IAW, Crawford RJM, Siegfried WR, Huntley BJ 1988. Long-term environmental-change in and around southern Africa. South Africa Journal of Science 84 483-486

Website link:http://www.fitzpatrick.uct.ac.za/fitz/publications/scientific/archive/1988

Siegfried WR 1992. Conservation status of the South African endemic avifauna. South African Journal of Wildlife Research 22 (3) 61-64

Website link:http://content.ajarchive.org/cdm4/document.php?CISOROOT=/0379-4369&CISOPTR=318&REC=10

Siegfried WR 1989. Preservation of species in southern African nature reserves. Biotic diversity in Southern Africa: Concepts and Conservation Huntley, B. J. 186 – 201

Website link:http://trove.nla.gov.au/work/17483845?selectedversion=NBD6802189

Siegfried WR, Benn GA, Gelderblom CM 1998. Regional assesment and conservation implications of landscape characteristics of African National Parks. Biological Conservation 84 (2) 131 - 140

Website link:https://doi.org/10.1016/S0006-3207(97)00110-9

Siegfried WR 1977. The packing of Jackass Penguin nests. South African Journal of Science 73 186

Website link:http://www.sajs.co.za/archive

Siegfried WR 1984. Group size of Cape Turtle Doves at desert waterholes. Proceedings of the 5th Pan-African Ornithological Congress Ledger, J. 745-752

Siegfried WR 1981. The estuarine avifauna of southern Africa. Estuarine ecology with particular reference to southern Africa Day, J. H. 223-250

Website link:http://www.fitzpatrick.uct.ac.za/fitz/publications/scientific/archive/1981

Siegfried WR, Johnson P 1977. The Damara Tern and other seabirds on the Diamond Coast, South West Africa, December 1977. Cormorant 3 13

Siegfried WR, Underhill LG 1975. Flocking as an antipredator strategy in doves. Animal Behaviour 23 504 - 508

Website link:http://www.sciencedirect.com/science/article/pii/0003347275901268

Siegfried WR 1967. The distribution and status of the Black Stork in southern Africa. Ostrich: Journal of African Ornithology 38 (3) 179 - 185

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1967.9634265#.VRlS_Wf9kpE

Siegfried WR 1967. Trapping and ringing of Egyptian Geese and African Shelduck at Vogelvlei, Cape. Ostrich: Journal of African Ornithology 38 (3) 173 - 178

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1967.9634264#.VRlTYmf9kpE

Siegfried WR 1966. The status of the Cattle Egret in South Africa with notes on the neighbouring territories. Ostrich: Journal of African Ornithology 37 (3) 157 - 169

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1966.9632711#.VLTvRWctApE

Siegfried WR 1965. White-faced Duck at the Fish River Canyon, S.W.A. Ostrich: Journal of African Ornithology 36 (1) 37

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1965.9639444#.VRUNxmc5ApE

Siegfried WR 1963. Black Sunbird and Grey-headed Gull in South West Africa. Ostrich: Journal of African Ornithology 34 (3) 175

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1963.9639418#.VRPW0Gc5ApE

Frost PGH, Siegfried WR, Burger AE 1976. Behavioural adaptations of the Jackass penguin, Spheniscus demersus to a hot, arid environment. Journal of Zoology 179 (2) 164-187

Website link:http://onlinelibrary.wiley.com/doi/10.1111/j.1469-7998.1976.tb02289.x/abstract

Eggleston P, Siegfried WR 1979. Displays of the Jackass Penguin. Ostrich: Journal of African Ornithology 50 (3) 139 - 167

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1979.9634105#.VSva0Gf9kpE

Williams JB, Siegfried WR, Milton SJ, Adams NJ, Dean WRJ, du Plessis MA, Jackson S 1993. Field metabolism, water requirements, and foraging behavior of wild Ostriches in the Namib. Ecology 74 (2) 390 - 404

Website link:http://www.jstor.org/stable/1939301

Siegfried WR 1965. The Cape Shoveller Anas smithii (Hartert) in southern Africa. Ostrich: Journal of African Ornithology 36 (4) 155 - 198

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bibliography.zip	590.61 KB

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1965.9633883#.VIcUP2ctBHg

Ferguson JWH, Siegfried WR 1989. Environmental factors influencing nest-site preference in White-browed Sparrow-weavers (Plocepasser mahali). The Condor 91 100-107

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Ferguson_white_browed_sparerow_weaver.pdf	641.69 KB

Siegfried WR, Frost PGH 1974. Egg temperature and incubation behaviour of the Ostrich. Madoqua I 1 (8) 63 - 66

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Siegfried_1974_Madoqua_Ser_1_8_ostrich.pdf	916.78 KB

Siegfried WR 1984. An analysis of faecal pellets of the Brown Hyaena on the Namib coast. South African Journal of Zoology 19 61

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An analysis of faecal pellets of the Brown Hyaena on the Namib coast_1984.pdf	58.32 KB

Siegfried WR, Berry HH 1983. Accumulation of lead in the bones of Turtle Doves Streptopelia capicola. Madoqua 13 (3) 229 - 230

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Siegfried_1983_Madoqua_13_3_Streptopelia.pdf	407.59 KB

Siegfried WR, Frost PGH, Cooper J, Kemp AC 1976. South African Red Data Book - Aves.. South African National Science Programmes Report 7 1 - 108

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South African Red Data Book_Aves.pdf	1.83 MB

Siegfried WR, Williams AJ, Frost PGH, Kinahan JB 1975. Plumage and ecology of cormorants. Zoologica africana 16 183 - 192

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Plumage and ecology of cormorants.pdf	5.52 MB

Siegfried WR, Frost PGH, Kinahan JB, Cooper J 1975. Social behaviour of Jackass Penguins at sea. Zoologica africana 10 (1) 87 - 100

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Social behaviour of Jackass Penguins at sea.pdf	2.56 MB

Siegfried WR 1974. Brood care, pair bonds and plumage in southern African Anatini. Wildfowl 25 33 - 40

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Brood care_pair bonds and plumage in southern Africa Anatini.pdf	368.43 KB

Siegfried WR 1970. Wildfowl distribution, conservation and research in southern Africa. Wildfowl 21 89 - 97

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Wildfowl distribution_conservation and research in southern Africa.pdf	460.91 KB

Siegfried WR 1984. Short communication: an analysis of faecal pellets of the brown hyaena on the Namib coast. Madoqua 19 (1) 61

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Short communication _an analysis of faecal pellets of the brown hyaena on the Namib coast.pdf	57.13 KB

Berry HH, Siegfried WR, Crowe TM 1984. Orientation of wildebeest in relation to sun angle and wind direction. Madoqua 13 (4) 297-301

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Orientation of wildebeest in relation to sun angle and wind direction.pdf	263.14 KB

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