Dr Steve Portugal

  1. 2022
  2. 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

  3. Published

    Pigeon leadership hierarchies are not dependent on environmental contexts or individual phenotypes

    Sankey, D., Biro, D., Ricketts, R., Shepard, E. & Portugal, S., May 2022, In: Behavioural Processes. 198, 104629.

    Research output: Contribution to journalArticlepeer-review

  4. 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

  5. Published

    Self-organization of collective escape in pigeon flocks

    Papadopoulou, M., Hildenbrandt, H., Sankey, D., Portugal, S. & Hemelrijk, C., 10 Jan 2022, In: PLoS Computational Biology. 18, 1, e1009772.

    Research output: Contribution to journalArticlepeer-review

  6. 2021
  7. 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

  8. Published

    Embryo movement is more frequent in avian brood parasites than birds with other reproductive strategies

    Mcclelland, S., Reynolds, M., Cordall, M., Hauber, M. E., Goymann, W., McClean, L., Hamama, S., Lund, J., Dixit, T., Louder, M., Safari, I., Honza, M., Spottiswoode, C. & Portugal, S., 27 Oct 2021, In: Proceedings of the Royal Society B: Biological sciences. 288, 1961

    Research output: Contribution to journalArticlepeer-review

  9. E-pub ahead of print

    Ecological drivers of eggshell wettability in birds

    Attard, M., Bowen, J., Corado, R., Hall, L., Dorey, R. & Portugal, S., 13 Oct 2021, (E-pub ahead of print) In: Journal of the Royal Society. Interface.

    Research output: Contribution to journalArticlepeer-review

  10. 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

  11. E-pub ahead of print

    Overall dynamic body acceleration as an indicator of dominance in Homing Pigeons (Columba livia)

    Ricketts, R., Sankey, D., Tidswell, B., Brown, J., Deegan, J. & Portugal, S., 28 Sep 2021, (E-pub ahead of print) In: Ibis.

    Research output: Contribution to journalArticlepeer-review

  12. E-pub ahead of print

    Climate variability and parent nesting strategies influence gas exchange across avian eggshells

    Attard, M. & Portugal, S., 16 Jun 2021, (E-pub ahead of print) In: Proceedings of the Royal Society B: Biological sciences.

    Research output: Contribution to journalArticlepeer-review

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