Dr Steve Portugal

  1. 2011
  2. Published

    Greater energy stores enable flightless moulting geese to increase resting behaviour

    Portugal, S. J., Green, J. A., Piersma, T., Eichhorn, G., Butler, P. J. & Portugal, S., 1 Oct 2011, In: Ibis. 153, 4, p. 868-874 7 p.

    Research output: Contribution to journalArticlepeer-review

  3. Published

    Indications of phenotypic plasticity in moulting birds: Captive geese reveal adaptive changes in mineralisation of their long bones during wing moult

    Portugal, S. J., Butler, P. J., Green, J. A., Cassey, P. & Portugal, S., 1 Oct 2011, In: Journal of Ornithology . 152, 4, p. 1055-1061 7 p.

    Research output: Contribution to journalArticlepeer-review

  4. Published

    Vigilance patterns of wintering Eurasian Wigeon: Female benefits from male low-cost behaviour

    Portugal, S. J., Guillemain, M. & Portugal, S., 1 Jul 2011, In: Journal of Ornithology . 152, 3, p. 661-668 8 p.

    Research output: Contribution to journalArticlepeer-review

  5. Published

    The use of body mass loss to estimate metabolic rate in birds

    Portugal, S. J., Guillemette, M. & Portugal, S., 1 Mar 2011, In: Comparative Biochemistry and Physiology - A Molecular and Integrative Physiology. 158, 3, p. 329-336 8 p.

    Research output: Contribution to journalArticlepeer-review

  6. Published

    Avian embryonic development does not change the stable isotope composition of the calcite eggshell

    Maurer, G., Portugal, S. J., Boomer, I. & Cassey, P., 24 Jan 2011, In: Reproduction, Fertility and Development. 23, 2, p. 339-345 7 p.

    Research output: Contribution to journalArticlepeer-review

  7. 2010
  8. Published

    Eggshell permeability: A standard technique for determining interspecific rates of water vapor conductance

    Portugal, S., Maurer, G., Cassey, P. & Portugal, S., 1 Nov 2010, In: Physiological and Biochemical Zoology. 83, 6, p. 1023-1031 9 p.

    Research output: Contribution to journalArticlepeer-review

  9. Published

    Variability in avian eggshell colour: A comparative study of museum eggshells

    Cassey, P., Portugal, S. J., Maurer, G., Ewen, J. G., Boulton, R. L., Hauber, M. E., Blackburn, T. M. & Portugal, S., 15 Oct 2010, In: PLoS ONE. 5, 8, e12054.

    Research output: Contribution to journalArticlepeer-review

  10. Published

    Can museum egg specimens be used for proteomic analyses?

    Portugal, S. J., Cooper, H. J., Zampronio, C. G., Wallace, L. L., Cassey, P. & Portugal, S., 14 Jul 2010, In: Proteome Science. 8, 40.

    Research output: Contribution to journalArticlepeer-review

  11. Published

    Do captive waterfowl alter their behaviour patterns during their flightless period of moult?

    Portugal, S. J., Isaac, R., Quinton, K. L., Reynolds, S. J. & Portugal, S., 1 Jan 2010, In: Journal of Ornithology . 151, 2, p. 443-448 6 p.

    Research output: Contribution to journalArticlepeer-review

  12. 2009
  13. Published

    Testing the use/disuse hypothesis: Pectoral and leg muscle changes in captive barnacle geese Branta leucopsis during wing moult

    Portugal, S. J., Thorpe, S. K. S., Green, J. A., Myatt, J. P., Butler, P. J. & Portugal, S., 1 Aug 2009, In: Journal of Experimental Biology. 212, 15, p. 2403-2410 8 p.

    Research output: Contribution to journalArticlepeer-review

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