Energy Utilization by Free-Ranging Jackass Penguins, Spheniscus Demersus von Nagy, Kenneth A., Siegfried, W. Roy, Wilson, Rory P.

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Dispersal of Seeds as Nest Material by Birds in Semiarid Karoo Shrubland von Dean, W. R. J., Milton, Suzanne J., Siegfried, W. Roy

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Ecological and Life-History Correlates of Cooperative Breeding in South African Birds von Du Plessis, Morné A., Siegfried, W. Roy, Adrian J. Armstrong

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Food Selection by Ostrich in Southern Africa von Milton, Suzanne J., W. Richard J. Dean, Siegfried, W. Roy

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Use of a population model to assess the impact of longline fishing on wandering albatross Diomedea exulans populations von Moloney, Coleen L., Cooper, John, Ryan, Peter G., Roy Siegfried, W.

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Regional assessment and conservation implications of landscape characteristics of African national parks von Siegfried, W.Roy, Benn, Grant A., Gelderblom, Caroline M.

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Field Metabolism, Water Requirements, and Foraging Behavior of Wild Ostriches in the Namib von Williams, Joseph B., Siegfried, W. Roy, Milton, Suzanne J., Adams, Nigel J., Dean, W. R. J., du Plessis, Morne A., Jackson, Sue

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A 'north-south' discussion of biodiversity at Gobabeb: news and views von Siegfried, W. Roy

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Tail Length and Biting Insects of Ungulates von Siegfried, W. Roy

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A coneptual model of arid rangeland degradation von Milton, Suzanne J, Dean, W Richard J, du Plessis, Morne A, Siegfried, W Roy

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The Fallacy, Fact, and Fate of Guiding Behavior in the Greater Honeyguide von DEAN, W. R. J., SIEGFRIED, W. ROY, MACDONALD, I. A. W.

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Green Woodhoopoes (Phoeniculus purpureus) and Obligate Cavity Roosting Provide a Test of the Thermoregulatory Insufficiency Hypothesis von Williams, Joseph B., du Plessis, Morné A., Siegfried, W. Roy

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Orientation of Diggings of the Aardvark von Dean, W. R. J., Siegfried, W. Roy

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A conceptual model for arid rangeland degradation von Milton, S.J, Dean, R.J, Du Plessis, M.A, Siegfried, W.R

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Exploitation and Conservation of Brown Mussel Stocks by Coastal People of Transkei von Siegfried, W. Roy, Hockey, Philip A.R., Crowe, Anna A.

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Flocking as an anti-predator strategy in doves von Siegfried, W.Roy, Underhill, L.G.

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Morphometrics, metabolic rate and body temperature of the smallest flightless bird: the Inacessible Island Rail von RYAN, P. G, WATKINS, B. P, ROY SIEGFRIED, W

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Social Organization in Ruddy and Maccoa Ducks von Siegfried, W. Roy

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Time Budget of Behavior among Lesser Scaups on Delta Marsh von Siegfried, W. Roy

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Ring-billed Gulls Robbing Lesser Scaup of Food von Siegfried, W Roy

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