Structure of an African Red-billed Hornbill (Tockus erythrorhynchus rufirostris and T. e. damarensis) hybrid zone as revealed by morphology, behavior, and breeding biology

Auk

Volumn 121, Issue 2, 2004, Pages 565-586

  Delport, Wayne ^a   Kemp, Alan C ^b   Ferguson, J Willem H ^a  

^a UNIVERSITY OF PRETORIA   (South Africa)

^b Transvaal Museum   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

BEHAVIORAL RESPONSE; BIRD; BREEDING; HYBRID; MORPHOLOGY;

AFRICA; NAMIBIA; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

AVES; TOCKUS; TOCKUS ERYTHRORHYNCHUS; TOCKUS ERYTHRORHYNCHUS RUFIROSTRIS;

EID: 2942566383     PISSN: 00048038     EISSN: None     Source Type: Journal    
DOI: 10.1093/auk/121.2.565     Document Type: Article

References (41)

1. ARNOLD, M. L., AND S. A. HODGES. 1995. Are natural hybrids fit or unfit relative to their parents? Trends in Ecology and Evolution 10:67-71.
2. BARTON, N. H. 1979. The dynamics of hybrid zones. Heredity 43:333-339.
3. BARTON, N. H. 1986. The effect of linkage and density-dependent regulation on gene flow. Heredity 57:415-426.
4. BARTON, N. H., AND K. S. GALE. 1993. Genetic analysis of hybrid zones. Pages 13-45 in Hybrid Zones and the Evolutionary Process (R. G. Harrison, Ed.). Oxford University Press, New York.
5. BARTON, N. H., AND G. M. HEWITT. 1985. Analysis of hybrid zones. Annual Review of Ecology and Systematics 16:113-148.
6. BARTON, N. H., AND G. M. HEWITT. 1989. Adaptation, speciation and hybrid zones. Nature 341:497-503.
7. BUTLIN, R. 1989. Reinforcement of premating isolation. Pages 158-179 in Speciation and Its Consequences (D. Otte and J. A. Endler, Eds.). Sinauer Associates, Sunderland, Massachusetts.
8. CLANCEY, P. A. 1964. Miscellaneous notes on African birds XXI. A new subspecies of Red-billed Hornbill Tockus erythrorhynchus (Temminck) from the southeastern lowlands of Africa. Durban Museum Novitates 7:130-132.
9. CRACRAFT, J. 1989. Speciation and its ontology: The empirical consequences of alternative species concepts for understanding patterns and processes of differentiation. Pages 3-27 in Speciation and Its Consequences (D. Otte and J. A. Endler, Eds). Sinauer Associates, Sunderland, Massachusetts.
10. DELPORT, W. 2000. The taxonomic status of the Damaraland Red-billed Hornbill (Tockus erythrorhynchus damarensis): A behavioral, morphological and molecular analysis. M.S. thesis, University of Pretoria, Pretoria, South Africa.
11. DOBZHANSKY, T. 1940. Speciation as a stage in evolutionary divergence. American Naturalist 74:312-321.
12. DOBZHANSKY, T. 1970. Genetics of the Evolutionary Process. Columbia University Press, New York.
13. EHRLICH, P. H., AND P. R. RAVEN. 1969. Differentiation of populations. Science 165:1228-1232.
14. ENDLER, J. A. 1977. Geographic Variation, Speciation and Clines. Princeton University Press, Princeton, New Jersey.
15. GILL, F. B. 1997. Local cytonuclear extinction of the Golden-winged Warbler. Evolution 51:519-525.
16. GLEN, R., AND S. STOLBERGER. 2001. Black-faced Red-billed Hornbills (Tockus erythrorhynchus) in Ruaha National Park, south-western Tanzania. Scopus 21:62-63.
17. HALDANE, J. B. S. 1954. An exact test for randomness of mating. Journal of Genetics 52:631-635.
18. HARRISON, R. G., AND D. M. RAND. 1989. Mosaic hybrid zones and the nature of species boundaries. Pages 111-133 in Speciation and Its Consequences (D. Otte and J. A. Endler, Eds.). Sinauer Associates, Sunderland, Massachusetts.
19. HEWITT, G. M. 1988. Hybrid zones - Natural laboratories for evolutionary studies. Trends in Ecology and Evolution 3:158-167.
20. HOYT, D. 1979. Practical methods of estimating volume and fresh weight of birds' eggs. Auk 96:73-77.
21. KEMP, A. C. 1976. A Study of the Ecology, Behaviour and Systematics of Tockus Hornbills (Aves: Bucerotidae). Memoirs of the Transvaal Museum, no. 20. Pretoria, South Africa.
22. KEMP, A. C. 1995. Bird Families of the World: The Hornbills Bucerotiformes. Oxford University Press, New York.
23. KEMP, A. C., AND W. DELPORT. 2002. Comments on the status of subspecies in the Red-billed Hornbill (Tockus erythrorhynchus) complex (Aves: Bucerotidae), with the description of a new taxon endemic to Tanzania. Annals of the Transvaal Museum 39:1-8.
24. LAMB, T., AND J. C. AVISE. 1986. Directional introgression of mitochondrial DNA in a hybrid population of tree frogs: The influence of mating behavior. Proceedings of the National Academy of Sciences USA 83:2526-2530.
25. LOUIS, E. J., AND E. R. DEMPSTER. 1987. An exact test for Hardy-Weinberg and multiple alleles. Biometrics 43:805-811.
26. MAY, R. M., J. A. ENDLER, AND R. E. MCMURTRIE. 1975. Gene frequency clines in the presence of selection opposed by gene flow. American Naturalist 109:659-676.
27. MAYR, E. 1963. Animal Species and Evolution. Harvard University Press, Cambridge, Massachusetts.
28. MILLER, R. G. 1980. Simultaneous Statistical Inference, 2nd ed. Springer-Verlag, New York.
29. MOORE, W. S. 1987. Random mating in the Northern Flicker hybrid zone: Implications for the evolution of bright and contrasting plumage patterns in birds. Evolution 41:539-546.
30. PARSONS, T. J., S. L. OLSON, AND M. J. BRAUN. 1993. Unidirectional spread of secondary sexual plumage traits across an avian hybrid zone. Science 260:1643-1646.
31. PATERSON, H. E. H. 1985. The recognition concept of species. Pages 21-30 in Species and Speciation (E. S. Vrba, Ed.). Transvaal Museum Monograph, no. 4. Pretoria, South Africa.
32. PAYNE, R. B. 1986. Bird songs and avian systematics. Current Ornithology 3:87-125.
33. RAND, D. M., AND R. G. HARRISON. 1989. Ecological genetics of a mosaic hybrid zone: Mitochondrial, nuclear and reproductive differentiation of crickets by soil type. Evolution 43:432-449.
34. RAYMOND, M., AND F. ROUSSET. 1995. GENEPOP (version 1.2): Population genetics software for exact tests and ecumenicism. Journal of Heredity 86:248-249.
35. RIEKERT, B. R., AND C. F. CLINNING. 1985. The use of artificial nest boxes in the Daan Viljoen Game Park. Bokmakierie 37:84-86.
36. 2 and the problem of small samples. Molecular Biology and Evolution 6:539-545.
37. ROHWER, S., AND C. WOOD. 1998. Three hybrid zones between Hermit and Townsend's warblers in Washington and Oregon. Auk 115:284-310.
38. SANFT, K. 1960. Bucerotidae (Aves/Upupae). Das Tierreich 76:1-176.
39. SPERLING, F. A. H., AND J. R. SPENCE. 1991. Structure of an asymmetrical hybrid zone between two water strider species (Hemiptera: Gerridae: Limnoporus). Evolution 45:1370-1383.
40. TRÉCA, B., AND C. ERARD. 2000. A new subspecies of the Red-billed Hornbill Tockus erythrorhynchus from West Africa. Ostrich 71:363-366.
41. VAN DER MERWE, J. H. 1983. National Atlas of South West Africa (Namibia). Directorate of Development Co-ordination, Windhoek, Namibia.