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The most common mammal on the mountain was the dassie (the South African name, from Afrikaans, pronounced "dussy"), or rock hyrax. Between about 2000 and 2004 (no one is certain about the exact year or years) their numbers suddenly plummeted for unknown reasons. They used to cluster around the restaurant at the upper cable station, near areas where tourists discarded or (inadvisably supplied) food. The population crash of the dassies was in all probability responsible for the decline in the Verreaux's eagle population on the Peninsula, which is believed to have consisted of 3 breeding pairs (of which maximally 2 were ever reported to fledge a chick in any given year) during the period 1950 to 1990.[1] With the commencement of formal monitoring in 1993, two breeding pairs were recorded on the Cape Peninsula Mountain Chain in 2004: one below the upper cable station at the western end of Table Mountain, in Blinkwater Ravine, the other on the cliffs below Noordhoek Peak. The Blinkwater Ravine nest was abandoned the following year, leaving only the Noordhoek pair, which continued to fledge chicks reasonably regularly till 2013, at which point one member of the pair disappeared. From 2013 till January 2017 only a single Verreaux's Eagle, presumed to be a female, remained on the Peninsula. She continued to maintain the nest under Noordhoek Peak, but seemed unable to attract a mate. But in early 2017 a pair of eagles was seen by at least 7 independent observers during the course of 10 days (27 January - 5 February). It remains to be seen whether they will breed later in the year. Dassies are an important part the Verreaux's eagle's prey on the Peninsula.[2] (See Foot note[nb 1])

  1. ^ Information gleaned from reports in the Cape Bird Club's newsletters from the 1950s onwards
  2. ^ Hockey, P. A. R.; Dean, W. R. J.; Ryan, P. G., eds. (2005). Roberts Birds of Southern Africa (Seventh ed.). Cape Town: John Voelcker Bird Book Fund. pp. 531–532. ISBN 0-620-34053-3.


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