References
- Arim, M. & P.A. Marquet. 2004. Intraguild predation: a widespread interaction related to species biology. Ecol Lett. 7(7): 557–564. doi: 10.1111/j.1461-0248.2004.00613.x
- Barlow, A., C.E. Pook., R.A. Harrison & W. Wüster 2009. Coevolution of diet and prey-specific venom activity supports the role of selection in snake venom evolution. Proc R Soc Lond B Biol Sci. 276(1666): 2443–2449. doi: 10.1098/rspb.2009.0048
- Branch, W.R. 1998. Field guide to snakes and other reptiles of southern Africa. Struik Nature, Century City, South Africa.
- Broadley, D.G. 1972. The horned viper in the central Kalahari. Botswana Notes and Records 4: 263.
- Broadley, D.G. 1983. Fitzsimons’ snakes of southern Africa. Delta Books, Johannesburg, South Africa.
- Closs, G.P., S.R. Balcombe & M. J. Shirley. 1999. Generalist predators, interaction strength and food-web stability. Adv Ecol Res. 28: 93–126. doi: 10.1016/S0065-2504(08)60030-6
- Covas, R. 2002. Life history evolution and cooperative breeding in the sociable weaver. PhD Thesis, Faculty of Science, University of Cape Town, Cape Town, South Africa. 135 pp.
- Covas, R., M.A. Du Plessis & C. Doutrelant. 2008. Helpers in colonial cooperatively breeding sociable weavers Philetairus socius contribute to buffer the effects of adverse breeding conditions. Behav Ecol Sociobiol. 63(1): 103–112. doi: 10.1007/s00265-008-0640-2
- Daltry, J.C., W. Wüster & R.S. Thorpe. 1998. Intraspecific variation in the feeding ecology of the crotaline snake Calloselasma rhodostoma in Southeast Asia. J Herpetol. 198–205. doi: 10.2307/1565297
- De Waal, S.W.P., 1978. The Squamata (Reptilia) of the Orange Free State, South Africa (No. 11). Nasionale Museum.
- Friedl, T.W. & G.M. Klump. 1999. Determinants of male mating success in the red bishop (Euplectes orix). Behav Ecol Sociobiol. 46(6): 387–399. doi: 10.1007/s002650050634
- Glaudas, X., T. Kearney & G.J. Alexander. 2017. Museum specimens bias measures of snake diet: a case study using the ambush-foraging puff adder (Bitis arietans). Herpetologica 73(2): 121–128. doi: 10.1655/HERPETOLOGICA-D-16-00055
- Greene, H.W. 1997. Snakes: The evolution of mystery in nature. University of California Press, Berkeley.
- Greene, H.W. 2005. Organisms in nature as a central focus for biology. Trends Ecol Evol. 20(1): 23–27. doi: 10.1016/j.tree.2004.11.005
- Haacke, W.D., H. Kubierske, T. Ulber, M.F. Bates, Q. Hahndiek, G.V. Haagner, B.J. Leslie, D.G. Broadley, A.L. De Villiers, D.R. Morgan & J.J. Herholdt. 1993. Geographical Distribution. The Journal of the Herpetological Association of Africa 42: 40–43. doi: 10.1080/04416651.1993.9650371
- Hockey, P.A.R., W.R.J. Dean & P.G. Ryan. 2005. Roberts Birds of Southern Africa. 7th edn. The Trustees of The John Voelcker Bird Book Fund, Cape Town, South Africa.
- Kgaditse, M. 2016. The evolution and diversification of diet in elapids. MSc Thesis, School of Animal, Plant & Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa. 90 pp.
- Levins, R. 1968. Evolution in Changing Environments: Some Theoretical Explorations. Monographs in Population Biology, Number 2. Princeton, New Jersey, USA: Princeton University.
- Lewis, S.B., K. Titus & M.R. Fuller. 2006. Northern Goshawk diet during the nesting season in southeast Alaska. J Wildl Manage. 70(4): 1151–1160. doi: 10.2193/0022-541X(2006)70[1151:NGDDTN]2.0.CO;2
- Lloyd, P., R.M. Little & T.M. Crowe. 2001. The breeding biology of the Namaqua Sandgrouse, Pterocles namaqua. Ostrich-Journal of African Ornithology 72(3–4): 169–178. doi: 10.2989/00306520109485313
- Maclean, G.L. 1973. The sociable weaver, part 4: predators, parasites and symbionts. Ostrich- Journal of African Ornithology 44(3–4): 241–253. doi: 10.1080/00306525.1973.9639161
- Marais, J. 2004. A complete guide to the snakes of southern Africa. Struik Nature, Century City, South Africa.
- Maritz, B. 2013. Bitis arietans predation. African Herp News 59: 21–28.
- Maritz, B. & G.J. Alexander. 2012. Population density and survival estimates of the African viperid, Bitis schneideri. Herpetologica 68(2): 195–202. doi: 10.1655/HERPETOLOGICA-D-11-00043.1
- Maritz, B., L. Verbugt, A. Coetzer, T. Ping, R.A. Maritz, G. Nicholau, N. Parry & J. Boyce. Facebook group: Predation records—reptiles and frogs. https://web.facebook.com/groups/888525291183325/ [Accessed 1 August 2017].
- Nalwanga, D., P. Lloyd, M.A., Du Plessis & T.E. Martin. 2004. The influence of nest-site characteristics on the nesting success of the Karoo Prinia (Prinia maculosa). Ostrich-Journal of African Ornithology 75(4): 269–274. doi: 10.2989/00306520409485454
- Phelps, T. 2007. Observations of the Cape cobra, Naja nivea (Serpentes: Elapidae) in the De Hoop Nature Reserve, Western Cape Province, South Africa. Herpetological bulletin 99: 29–35.
- Rodríguez-Robles, J.A. 2002. Feeding ecology of North American gopher snakes (Pituophis catenifer, Colubridae). Biol J Linn Soc Lond. 77(2): 165–183. doi: 10.1046/j.1095-8312.2002.00098.x
- Shine, R., W.R. Branch, J.K. Webb, P.S. Harlow, T. Shine & J. S. Keogh. 2007. Ecology of cobras from southern Africa. J Zool (Lond). 272(2): 183–193. doi: 10.1111/j.1469-7998.2006.00252.x
- Schulze, R.E. 1997. South African atlas of agrohydrology and climatology. Water Research Commission, Pretoria, South Africa. Report TT 82/96.
- Skead, C. J. 1950. A study of the African hoopoe. International Journal of Avian Science 92(3): 434–461.
- Smith, C. C. D. 2016. Quantifying the foraging ecology of the Boomslang (Dispholidus typus). Hons Thesis, Department of Biodiversity and Conservation Biology, University of the Western Cape, Bellville, South Africa. 17 pp.