oa Madoqua - The status of the Jackass penguin Spheniscus demersus on Halifax Island off South West Africa



The very noticeable decIine of the Jackass Penguin Spheniscus demersus (Linnaeusj on the Southern African coastline is a cause for serious concern. For this reason a census of the total penguin population was undertaken on Halifax lsland near Luderitz, South West Africa.


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