Dr Steve Portugal

  1. Article › Research › Peer-reviewed
  2. Published

    Emergence of splits and collective turns in pigeon flocks under predation

    Papadopoulou, M., Hildenbrandt, H., Sankey, D., Portugal, S. & Hemelrijk, C., Feb 2022, In: Royal Society Open Science. 9, 2, 211898.

    Research output: Contribution to journalArticlepeer-review

  3. E-pub ahead of print

    Externally attached biologgers cause compensatory body mass loss in birds

    Portugal, S. & White, C., 30 Oct 2021, (E-pub ahead of print) In: Methods in ecology and evolution.

    Research output: Contribution to journalArticlepeer-review

  4. Published

    Fine-scale changes in speed and altitude suggest protean movements in homing pigeon flights

    Garde, B., Wilson, R., Lempidakis, L., Börger, L., Portugal, S., Hedenström, A., Dell’Omo, G., Quetting, M., Wikelski, M. & Shepard, E., 19 May 2021, In: Royal Society Open Science. 8, 5

    Research output: Contribution to journalArticlepeer-review

  5. Published

    First light for avian embryos: eggshell thickness and pigmentation mediate variation in development and UV exposure in wild bird eggs

    Maurer, G., Portugal, S., Hauber, M. E., Mikšík, I., Russell, D. G. D. & Cassey, P., Feb 2015, In: Functional Ecology. 29, 2, p. 209-218 10 p.

    Research output: Contribution to journalArticlepeer-review

  6. Published

    Flight feather moult drives minimum daily heart rate in wild geese

    Portugal, S., White, C., Green, J. & Butler, P., Nov 2018, In: Biology Letters. 14, 11, p. 1-4 4 p.

    Research output: Contribution to journalArticlepeer-review

  7. E-pub ahead of print

    Geographical bias in physiological data limits predictions of global change impacts

    White, C., Marshall, D., Chown, S., Clusella-Trullas, S., Portugal, S., Franklin, C. & Seebacher, F., 19 Apr 2021, (E-pub ahead of print) In: Functional Ecology.

    Research output: Contribution to journalArticlepeer-review

  8. Forthcoming

    Global diversity and adaptations of avian eggshell thickness indices

    Attard, M. & Portugal, S., 5 Sep 2022, (Accepted/In press) In: Ibis.

    Research output: Contribution to journalArticlepeer-review

  9. 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

  10. Published

    Homing pigeons (Columba livia) modulate wingbeat characteristics as a function of route familiarity

    Taylor, L., Portugal, S. & Biro, D., 2017, In: Journal of Experimental Biology. 220, 16, p. 2908-2915 8 p.

    Research output: Contribution to journalArticlepeer-review

  11. E-pub ahead of print

    How much calcium to shell out? Eggshell calcium carbonate content is greater in birds with thinner shells, larger clutches, and longer lifespans

    Mcclelland, S., Cassey, P., Maurer, G., Hauber, M. E. & Portugal, S., 29 Sep 2021, (E-pub ahead of print) In: Journal of the Royal Society. Interface. 18, 182

    Research output: Contribution to journalArticlepeer-review