Nectar passage and gut morphology in the Malachite Sunbird and the Black-capped Lory: Implications for feeding in nectarivores

Ostrich

Volumn 73, Issue 3-4, 2002, Pages 138-142

  Mbatha, Khanyisile ^a   Downs, Colleen T ^a   Penning, M ^b  

^a UNIVERSITY OF NATAL PIETERMARITZBURG   (South Africa)

^b Umgeni River Bird Park   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0006375940     PISSN: 00306525     EISSN: None     Source Type: Journal    
DOI: 10.1080/00306525.2002.11446743     Document Type: Article

References (37)

1. Bednekoff, PA. & Houston, A.I. 1994. Avian daily foraging patterns: effects of digestive constrains and variability. Evolutionary Ecology 8: 36-52.
2. Carpenter, F.L., Hixon, M.A., Hunt, A. & Russel, R.W. 1991. Why humming birds have such large crops. Evolutionary Ecology 5: 405-414.
3. Churchill, D.M. & Christensen, P. 1970. Observation on pollen harvesting by brush tongued lorikeets. Australian Journal of Zoology 18: 427-437.
4. Diamond. J.M., Karasov, W.H., Fhan, D. and Carpenter, F.L. 1986. Digestive physiology is a determinant of foraging bout frequency in hummingbirds. Nature 320:62-63.
5. Dorst, J. 1974. The life of birds. New York: Columbia University Press.
6. Downs, C.T. & Perrin, M.R. 1996. Sugar preferences of some southern African nectarivorous birds. Ibis 138: 455-459.
7. Downs, C.T. 1997a. Sugar digestion efficiencies of Gurney's Sugarbirds, Malachite Sunbirds and Dlack Sunbirds. Physiological Zoology 70(1): 93-98.
8. Downs, C.T. 1997b. Sugar preferences and apparent sugar assimilation in the Red Lory. Australian Journal of Zoology 45:613-619.
9. Downs, C.T. 2000. Ingestion patterns and daily energy intake on a sugary diet: the Red Lory (Eos bornea) and the Malachite Sunbird (Ncctarinia famosa). Ibis 142:359-364.
10. Farner, D.S. 1970. Some glimpses of comparative avian physiology. Federation Proceedings of the Federation of American Experimental Biologists 29:1649-1663.
11. Forshaw, J.M. 1989. Parrots of the World (3rd edn). Mbabane, Swaziland: Bok Books.
12. Gill, F.B. 1989. Ornithology. New York: W.H. Freeman.
13. Guntert, von M. 1981. A morphological study on adaptive radiation of the digestive tract in parrots (Psittaci). Zoological Journal of Anatomy 106: 471-526.
14. Hainsworth, F.R. & Wolf, L.L. 1972. Crop volume, nectar concentration and humingbird energetics. Comparative Biochemistry and Physiology 42A: 359-366.
15. Harrison, J.A., Underhill; D.G., Herremans, M., Tree, A.J., Parker, V. & Brown, C.J. 1997. The atlas of southern African birds. Johannesburg: Bird Life South Africa.
16. Holyoak, D.T. 1973. Comments on the taxonomy and relationships in the parrots subfamily Nestorinae, Loriinae and Platycercinae. Emu 73:157-176.
17. Hopper, S.D. & Burbidge. A.A. 1979. Feeding behaviour of purple-crowned lorikeets on flowers of Eucalyptus buprestium. Emu 79: 40-42.
18. Kersten, M. & Visser, W. 1996. The rate of food processing in the Oyster-catcher: food intake and energy expenditure constrained by a digestive bottleneck. Functional Ecology 10:440-448.
19. Klasing, K.C. 1998. Comparative avian nutrition. Cambridge, U.K.: CAB International.
20. Levey, D.J. & Grajal, A. 1991. Evolutionary implications of fruit processing and intake limitation in Cedar Waxwings. American Naturalist 138: 171-189.
21. Levey, D.J. & Duke, G.E. 1992. How do frugivores process fruit? Gastrointestinal transit and glucose absorption in cedar waxwings (Bombycilla cedrorum). Auk 109 (4): 722-730.
22. Lloyd, P. 1989. Sucrose concentration preferences of two southern African sunbirds. Ostrich 60: 134-135.
23. Lotz, C.N. & Nicolson, S.W. 1999. Energy and water balance in the lesser double-collared sunbird (Nectarinia clialybea) feeding on different nectar concentrations. Journal of Comparative Physiology B 169: 200-206.
24. Maclean, G.L. 1993. Roberts' birds of southern Africa (6th edn). Cape Town: John Voelcker Bird Book Fund.
25. Martinez Del Rio, C. & Stevens, B.R. 1989. Physiological constraint of feeding behaviour: Intestinal membrane disaccharidases of the Starling. Science 243: 794-796.
26. McLelland, J. 1979. Digestive system. In: King, A.S. & McLelland, J.(eds)Form and function in birds: 69-181. London: Academic Press.
27. McWhorler, T.J. & Martinez del Rio, C. 2000. Does gut function limit hummingbird food intake? Physiological Biochemistry and Zoology 73: 313-324.
28. Meyer, G. & Cope, D. 1978. A radiographic index (6th edn). Bristol: John Wright & Sons.
29. Morse, D.H. 1975. Ecological aspects of adaptive radiation in birds. Biological Reviews 50: 167-214.
30. Mitchell, R.J. & Paton, D.C. 1990. Effects of nectar volume and concentration on sugar intake rates of Australian honeyeaters (Melphagidae). Oecologia 83: 238-246.
31. Richardson, K.C. & Wooller, R.D. 1986. The structures of the gastrointestinal tracts of honeyeaters and other small birds in relation to their diets. Australian Journal Zoology 34: 119-124.
32. Richardson, K.C. & Wooller, R.D. 1990. Adaptations of the alimentary tracts of some Australian lorikeets to a diet of nectar and pollen. Australian Journal of Zoology 38: 581-586.
33. Ricklefs, R.E. 1996. Morphometry of the digestive tract of some passerine birds. Condor 98: 279-292.
34. Skead, C.J. 1967. The sunbirds of southern Africa. Cape Town: A.A. Balkema.
35. Smith, G.A. 1975. Systematics of parrots. Ibis 117: 18-68.
36. Sturkie, P.D. 1976. Avian physiology (3rd edn). New York: Springer-Verlag.
37. Tamm, S. & Gass, C.L. 1986. Energy intake rates and nectar concentration preferences by hummingbirds. Oecologia 70: 20-23.