Allan, D. G.; Harrison, J. A.; Navarro, R. A.; van Wilgen, B. W.; Thompson, M. W. 1997. The impact of commercial afforestation on bird populations in Mpumalanga Province, South Africa - insights from bird-atlas data. Biological Conservation 79: 173-185.
Armstrong, A. J.; van Hensbergen, H. J. 1999. Identification of priority regions for animal conservation in afforestable montane grasslands of the northern Eastern Cape Province, South Africa. Biological Conservation 87(1): 93-103.
Hockey, P.A.R., Dean, W.R.J. and Ryan, P.G. 2005. Roberts birds of southern Africa. Trustees of the John Voelcker Bird Book Fund, Cape Town, South Africa.
Lee, A.; Barnard, P.; Altwegg, R. 2017. Estimating conservation metrics from atlas data: the case of southern African endemic birds. Bird Conservation International early view: DOI: https://doi.org/10.1017/S0959270916000307.
Taylor. M. R.; Peacock, F.; Wanless, R. M. 2015. The 2015 Eskom Red Data Book of Birds of South Africa, Lesotho and Swaziland. BirdLife South Africa, Johannesburg, South Africa.
van Wilgen, N. J.; Goodall, V.; Holness, S.; Chown, S. L.; McGeoch, M. A. 2016. Rising temperatures and changing rainfall patterns in South Africa's national parks. International Journal of Climatology 36: 706-721.
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Recommended citation
BirdLife International (2024) Species factsheet: Geocolaptes olivaceus. Downloaded from
https://datazone.birdlife.org/species/factsheet/ground-woodpecker-geocolaptes-olivaceus on 19/03/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org on 19/03/2024.