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Summary
Robertson, A. S. 1985. Observations on the post-fledging dependence period of Cape Vultures. Ostrich 56: 58–66.
Cape Vultures were observed during their post-fledging dependence period at a colony in the Cape Province, South Africa. Information is presented on the length of the period, behaviour of juveniles and of parents at the nest, survival of juveniles, aggressive interactions between parents and juveniles and retention of the nest site following breeding. At the colony, juveniles initiate contact with their parents, which supply food to their own offspring at the natal site only. Parental aggression was observed over an average period of five months after juveniles had left the nest (range 32–218 days); at two nest sites, the period overlapped with the next season's incubation period, although no transfer of food was observed during this period-of overlap.
