IBA Criteria

Year of most recent IBA criteria assessment: 1998

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Blue Bustard Eupodotis caerulescens NT resident - present A1
Southern Bald Ibis Geronticus calvus VU resident - 10 breeding pairs A1, A3
Southern Bald Ibis Geronticus calvus VU non-breeding - 120 individuals A4i
Ground Woodpecker Geocolaptes olivaceus NT resident - present A1
Rudd's Lark Heteromirafra ruddi EN resident 1998 present A1, A2, A3
Botha's Lark Spizocorys fringillaris EN resident 1998 present A1, A2, A3
Buff-streaked Chat Campicoloides bifasciatus LC resident 1998 present A1, A3
Yellow-breasted Pipit Hemimacronyx chloris VU resident 1998 present A1, A2, A3

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2012 not assessed not assessed not assessed
Was the whole site covered? No State assessed by unset
Accuracy of information -


IUCN Habitat Habitat detail Extent (% of site)
Forest Woodland - riparian -
Grassland Grassland - highveld -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
water management -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Sterkfontein/Merinodal. Downloaded from on 22/03/2023.