The Rüppell's Griffon Vulture's (Gyps rueppellii) most southerly distribution in Africa should be no further south than northern Tanzania (6° S). However, in September 1994 an adult bird was discovered at the Blouberg Cape Griffon colony. During 1997/98 a Rüppell's Griffon was observed at the Kransberg Cape Griffon colony (far western side of the Waterberg) at which time there was no evidence of the bird at the Blouberg colony. Since early 1999 the Rüppell's Griffon was resighted at Blouberg but has not been seen again at Kransberg leading to the conclusion that this is possibly the same bird. Presumably then, this could be the only Rüppell's Griffon in South Africa and certainly the only breeding individual. It has selected a mate from amongst the Cape Griffons and successfully raised a chick since the 1999-breeding season. It is therefore probably one of the rarest breeding birds in the country.

The hybrid chick appears quite different when compared with the Cape Griffon (Gyps coprotheres) chick. It is much darker, a slate gray, with heavy streaking. The down on the head and neck appears more prolific although this could be as a result of the contrast with the darker plumage. The underwing is exceptionally dark appearing a uniform black with a white stripe just behind the leading edge.

Although Rüppell's Griffons are fairly common in central Africa and can be seen in large numbers in this area, the Blouberg bird is unique in that it should not even occur in this region, it has made itself at home amongst the Cape Griffons and has even crossbred successfully. This is indeed an unusual phenomenon and a most unusual bird. Given that this bird is now breeding, it is almost certain to guarantee a sighting during the breeding season if weather permits. The best-viewing breeding months are June to September.

For further information contact Janine Snyman on phone number 073 0111770 (Int'l: +27 73 01117700) or e-mail at blouberg@vulture.org.za.

Book a trip to the Rüppell's nesting site here.