I have three main research areas:
Professional Activities (1995 onwards)
Speaker at the following meetings
Edinburgh Book Festival August 2008 `The Wisdom of Birds´
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Jo Wimpenny (2009-2012)
Leverhulme funded: History of Ornithology
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Nicola Hemmings (2007-2010)
(NERC funded PhD Student) Sperm selection in birds
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Clair Bennison (2009-2012)
NERC Funded PhD student: genetics of sperm
email : c.bennison@sheffield.ac.uk
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Phil Young
Research Technician
email : phil.young@sheffield.ac.uk
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Tim Birkhead has supervised a total of 30 PhD students and has acted as external examiner for the degree of Ph.D. at the following universities:-
Oxford (1983), Liverpool (1983), Glasgow (1984), Cambridge (1984), Durham (1984), Open University (1984), Cambridge (1985), Sussex (1985), Memorial University, Newfoundland (1987), Oxford (1987), Glasgow (1987), Cambridge (1988), Oxford (1988), Aberdeen (1989), Leicester (1989), Glasgow (1989), Oxford (1990), Oxford (1991), Leicester (1992), Stirling (1992), St. Andrews (1992), Nottingham (1994), Cambridge (1994), Oslo (Norway) (1994), Open University (1995), Oxford (1995), Uppsala (1995), York (1996), Oslo (1996), Melbourne, Australia (1997), Leicester (1997), Paisley College (1997), Glasgow (1997), Oslo, Norway (1998 x 2), Glasgow (2000). Sterling (2001) La Trobe, Australia (2002), Flinders, Australia (2003), Dalhousie, Canada (2003), Brisbane, Australia (2003), Oslo (2006).
Birkhead, T. R. & Pizzari, T. 2009. Sperm competition and female fertility. In: Biology of Breeding Poultry (Ed. by Hocking, P.). Oxford: CABI.
Lupold, S., Calhim, S., Immler, S. & Birkhead, T. R. 2009. Sperm morphology and sperm velocity in passerine birds. Proc. R. Soc. B., 276, 1175-1181.
Lupold, S., Linz, G. M. & Birkhead, T. R. 2009. Sperm design and variation in the New World blackbirds (Icteridae). Behav Ecol Sociobiol, 63, 391-402.
Lüpold, S., Linz, G. M., Rivers, J. W., Westneat, D. F. & Birkhead, T. R. 2009. Sperm competition selects beyond relative testes size in birds. Evolution, 63, 391-402.
Birkhead, T. R., Hall, J., Schut, E. & Hemmings, N. 2008. Unhatched eggs: methods for discriminating between infertility and early embryo mortality. Ibis, 150, 508-517.
Brennan, P. L., Birkhead, T. R., Zyskowski, K., Waag, J. v. d. & Prum, R. O. 2008. Independent evolutionary reductions of the phallus in basal birds. J. Avian Biology, 39, 487-492.
Cornwallis, C. K. & Birkhead, T. R. 2008. Plasticity in reproductive phenotypes reveals status specific correlations between behavioural, morphological and physiological sexual traits. Evolution, 62, 1149-1161.
Cornwallis, C. K. & Birkhead, T. R. 2008. Changes in sperm quality and numbers in response to experimental manipulation of male social status and female attractiveness. Am. Nat., 170, 758-770.
Immler, S., Calhim, S. & Birkhead, T. R. 2008. Increased postcopulatory sexual selection reduces the intra-male variation in sperm design. Evolution, 62, 1538-1543.
Stapley, J., Birkhead, T. R., Burke, T. & Slate, J. 2008. A linkage map of the zebra finch Taeniopygia guttata provides new insight into avian genome evolution. Genetics, 179, 651-667.
Votier, S. C., Birkhead, T. R., Oro, D., Trinder, M., Grantham, M. J., Clark, J., McCleery, R. H. & Hatchwell, B. J. 2008. Recruitment and survival of immature seabirds in relation to oil spills and climate variability. Journal of Animal Ecology, 77, 974-983.
Calhim, S. & Birkhead, T. R. 2007. Testes size in birds - quality vs quantity: assumptions, errors and estimates. Behavioral Ecology 18: 271-275.
Immler, S., Moore, H. D. M., Breed, W. G. & Birkhead, T. R. 2007. By hook or by crook? Morphometry, competition and cooperation in rodent sperm. PLoS ONE, 1: e170, 1-5.
Brennan, P. L., Prum, R. O., McCracken, K. G., Sorenson, M. D., Wilson, R. E. & Birkhead, T. R. 2007. Coevolution of male and female genital morphology in waterfowl. PLoS ONE, 5: e418, 1-6.
Birkhead, T. R., Pellat, E. J., Matthews, I. M., Roddis, N. J., Hunter, F. M., McPhie, F., Castillo-Juarez, H. (2006) Genic capture and the genetic basis of sexually selected traits in the zebra finch. Evolution, 60, 2389-2398
Birkhead, T. R., Immler, S., Pellatt, E., J. & Freckleton, R. J. (2006). Unusual sperm morphology in the European bullfinch Pyrrhula pyrrhula. Auk, 123: 383-392.
Birkhead, T. R., Pellatt, E., J., Brekke, P., Yeates, R. & Castillo-Juarez, H. (2005). Genetic effects on sperm design in the zebra finch. Nature,434, 383-387
Votier, S.C., Hatchwell, B.J., Beckerman, A., McCleery, R.H., Hunter, F.H., Pellatt, J., Trinder, M., Birkhead T.R. (2005) Oil pollution and climate have wide-scale impacts. Ecology Letters, 8: 11571164.
Birkhead, T.R., Chaline, N., Biggins, J.D., Burke, T.A. & Pizzari, T. (2004). Non-transitivity of paternity in a bird. Evolution, 58: 416-420.
Pizzari, T., Cornwallis, C,K, Lovelie, H., Jakobsson, S. & Birkhead, T.R. (2003). Sophisticated sperm allocation in male fowl, Nature 426; 70-74,
Hunter, F. M. & Birkhead, T. R. 2002. Sperm viability and sperm competition in insects. Current Biology, 12, 121-123.
Pizzari, T. & Birkhead, T. R. 2002. The sexually selected sperm hypothesis: sex-biased inheritance and sexual antagonism. Biological Reviews, 77, 183-210.
Froman, D. P., Pizzari, T., Feltmann, A. J., Castillo-Juarez, H. & Birkhead, T. R. 2002. Sperm mobility: mechanisms of fertilising efficiency, genetic variation and phenotypic relationship with male status in the fowl, Gallus g. domesticus. Proceedings of Royal Society of London, Series B., 269, 607-612.
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