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Location South Africa, Eastern Cape
Central coordinates 28o 37.00' East  32o 0.00' South
IBA criteria A1, A4ii
Area 2,000 ha
Altitude 280 - 625m
Year of IBA assessment 2001

BirdLife South Africa

Summary Collywobbles is an ancestral vulture colony occurring along the cliffs of the convoluted gorge formed by the meandering Nbashe River in the Idutywa District. The number of Cape Vultures Gyps coprotheres at Collywobbles has fluctuated dramatically over the last 35 years but a total of 130 – 140 pairs were recorded during the 2011 breeding season.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Cape Vulture Gyps coprotheres resident  60-90 breeding pairs  A1, A4ii  Vulnerable 
Cape Vulture Gyps coprotheres winter  150-250 individuals  A4ii  Vulnerable 


IUCN habitat Habitat detail Extent (% of site)
Unknown   -
Forest   100%
Rocky areas Inselbergs, kopjes & inland cliffs  -

Land use

Land-use Extent (% of site)
unknown -
nature conservation and research 100%
tourism/recreation -

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Collywobbles Vulture Colony. Downloaded from on 22/08/2014

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