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Hulley, Patrick E, Craig, Adrian J F K, Underhill, George D, Bonnevie, Bo T, Nuttall, R J, De Swardt, D H. Timing of moult and breeding in the Cape White-eye, Zosterops pallidus, from three different geographical regions in South Africa. 2004.
Bonnevie, Bo T, Craig, Adrian J F K, Hulley, Patrick E, Underhill, George D. Moult, breeding season, mass, wing length, and dispersal in Cape Robins (Cossypha caffra) and Olive Thrushes (Turdus olivaceus) results from mist-netting garden birds. 2003.
Craig, Adrian J F K, Bonnevie, Bo T, Hulley, Patrick E, Underhill, George D. Primary wing-moult and site fidelity in South African mousebirds (Coliidae). 2014.