51. Hill, G. E. 1999. Is there an immunological cost to carotenoid-based ornamental coloration? American Naturalist 154:589-595.


50. Keyser A. J., and, G. E. Hill. 1999. Condition-dependent variation in the blue-ultraviolet coloration of a structurally based plumage ornament. Proceedings of the Royal Society of London. B  266:771-774.


49. Brawner, W. R. III, and G. E. Hill. 1999. Temporal variation in shedding of coccidial oocysts: implications for sexual selection studies. Canadian Journal of Zoology 77:(2)347-350.


48. McGraw, K. J., G. E. Hill, and A. J. Keyser. 1999. Ultraviolet reflectance of colored plastic leg bands. J. Field. Ornithol. 70:236-243.


47. McGraw, K. J. and G. E. Hill. 1999. Induced homosexual behaviour in male House Finches (Carpodacus mexicanus): the "Prisoner Effect". Ethol. Ecol. Evol. 11:197-201.


46. Plentovich, S., Holler, N.R., and G.E. Hill. 1999. Habitat requirements of Henslow's Sparrow wintering in silvicultural lands of the Gulf Coastal Plain. Auk 116:109-115.


45a. Hill, G. E. 1999. Mate choice, male quality, and carotenoid-based plumage coloration. Pp. 1654-1668 In Adams, N. and Slotow, R. (Eds), Proc. 22 Int. Ornithol. Congr. Durban, University of Natal. Durban.


45b. Badyaev, A.V., and G.E. Hill. 1999. Variation in avian sexual dichromatism in relation to phylogeny and ecology: a review. Pp. 1687-1705 In Adams, N. and Slotow, R. (Eds), Proc. 22 Int. Ornithol. Congr. Durban, University of Natal. Durban.


44. Hill, G. E., Nolan, P. M., and Stoehr, A. 1999. Pairing success relative to male plumage redness and pigment symmetry in the House Finch: temporal and geographic constancy. Behavioral Ecology 10:48-53.


43. Hill, G. E. 1998. The importance of Longleaf Pine and hardwood forests for breeding birds in the Talladega Mountains, Alabama. Journal of the Alabama Academy of Science 69: 206-222.


42. Hill, G. E., and W. R. Brawner III. 1998. Melanin-based plumage colouration in the House Finch is unaffected by coccidial infection. Proc. Roy. Sco. London, B 265:1105-1109.


41. Nolan, P. M., G. E. Hill and A. M. Stoehr. 1998. Sex, size, and plumage redness predict House Finch survival in an epidemic. Proc. Roy. Sco. London, B 265:961-965.


40. Plentovich, S. M., N. R. Holler, and G. E. Hill. 1998. Site fidelity of wintering Henslows Sparrows. J. Field Ornithology 69:486-490.


39. Tucker, J. W., Hill, G. E., and Holler, N. R. 1998. Managing mid-rotation pine plantations to enhance Bachmans Sparrow habitat. Wildlife Society Bulletin 26:342-348.


38. Keyser, A. J., G. E. Hill, and E. Soehren. 1998. Effects of forest fragmentation size, nest density, and proximity to edge on risk of predation to ground-nesting passerine bird. Conservation Biology  12:986-994.


37. Tobias, M. J., and G. E. Hill. 1998. A test of sensory bias for long tails in the House Finch. Animal Behaviour 56:71-78.


36. Hill, G. E. 1998. An easy, inexpensive method to quantify plumage coloration. Journal of Field Ornithology 69:353-363.


35. Hill, G. E. 1998. Use of forest habitats by breeding birds in the southern coastal plain, Alabama. Southern Journal of Applied Forestry 22:133-137.


34. Hill, G. E. 1998. Plumage redness and pigment symmetry in the House Finch. Journal of Avian Biology 29:86-92.


33. Hill, G. E., R. S. Sargent, and M. G. Sargent. 1998. Recent change in the winter distribution of the Rufous Hummingbirds. Auk  115:240-245.


32. Plentovich, S., Tucker, J., Holler, N., and Hill, G. E. 1998. Enhancing Bachman's Sparrow habitat through management for Red-cockaded Woodpeckers. Journal of Wildlife Management 62:1-50.


31. Hill, G. E. 1997. The effects on bird communities of converting southern hardwood forests to pine plantations. Alabama Academy of Science 68:285-295.

30. Hill, G. E. 1996. Subadult plumage in the House Finch and tests of models for the evolution of Delayed plumage maturation. Auk 113:858-874.

29. Hill, G. E. 1996. Redness as a measure of the production costs of ornamental traits. Ethology, Ecology and Evolution  8:157-175.

28. Hill, G. E. 1995. Seasonal variation in circulating carotenoid pigments in the House Finch. Auk 112:1057-1061.

27. Hill, G. E. 1995. Interspecific variation in plasma color in relation to carotenoid plumage coloration. Auk 112:1054-1057.

26. Hill, G. E. 1995. Evolutionary inference from patterns of female preference and male display. Behavioral Ecology  6:350-351.

25. Hill, G. E. and Benkman, C. W. 1995. Exceptional response to dietary carotenoid supplementation by female Red Crossbills.  Wilson Bulletin 107:620-621.

24. Hill, G. E. 1995. Black-headed Grosbeak. In Birds of North America, No. 143. A. Poole, P. Stettenheim, F. Gill, Eds. Washington: American Ornithologists' Union.

23. Hill, G. E. 1995. Ornamental traits as signals of environmental quality. Bioscience 45:25-31.

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Dr. Geoff Hill
Professor &
Curator of Birds
Dept. Biological Sciences
Auburn University

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