Stutterheim, Irene M.; Bezuidenhout, J. Dürr; Elliot, E.G.R.; Bigalke, R.D.(Published by the Government Printer, Pretoria., 1988)
The feeding methods, activities and behaviour of red-billed and yellow-billed oxpeckers in captivity were
compared. Both species were found to be very similar with regard to feeding. The differences observed were a
greater ...
Spickett, Arthur M.; Elliot, E.G.R.; Heyne, Heloise; Neser, J.A.; Verwoerd, Daniel Wynand(Published by the Government Printer, Pretoria., 1989)
Feeding under constant cold conditions resulted in a marginal shortening of feeding period and a major
shortening of the subsequent developmental phase of all stages of Ixodes rubicundus Neumann 1904, the Karoo
paralysis ...
