Dr Steve Portugal

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

    Associations Between Resting, Activity and Daily metabolic rate in Free-living Endotherms: No Universal Rule for Birds and Mammals

    Portugal, S., Green, J., Halsey, L. & Butler, P., 14 Apr 2016, In: Physiological and Biochemical Zoology. 89, 3

    Research output: Contribution to journalArticlepeer-review

  3. Published

    Avian eggshell pigments are not consistently correlated with colour measurements or egg constituents in two Turdus thrushes

    Cassey, P., Mikšík, I., Portugal, S. J., Maurer, G., Ewen, J. G., Zarate, E., Sewell, M. A., Karadas, F., Grim, T., Hauber, M. E. & Portugal, S., 1 Nov 2012, In: Journal of Avian Biology. 43, 6, p. 503-512 10 p.

    Research output: Contribution to journalArticlepeer-review

  4. 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

  5. Published

    Balancing the competing requirements of air-breathing and display behaviour during male-male interactions in Siamese fighting fish Betta splendens

    Alton, L. A., Portugal, S. J., White, C. R. & Portugal, S., 1 Feb 2013, In: Comparative Biochemistry and Physiology - A Molecular and Integrative Physiology. 164, 2, p. 363-367 5 p.

    Research output: Contribution to journalArticlepeer-review

  6. Published

    Behavioural compensation reduces energy expenditure during migration hyperphagia in a large bird

    Guillemette, M., Richman, S. E., Portugal, S. J., Butler, P. J. & Portugal, S., 1 Aug 2012, In: Functional Ecology. 26, 4, p. 876-883 8 p.

    Research output: Contribution to journalArticlepeer-review

  7. Published

    Bird flocks

    Portugal, S., 9 Mar 2020, In: Current Biology . 30, 5, p. 206-210 5 p.

    Research output: Contribution to journalArticlepeer-review

  8. Published

    Birds invest wingbeats to keep a steady head and reap the ultimate benefits of flying together

    Taylor, L., Taylor, G., Lambert, B., Walker, J., Biro, D. & Portugal, S., 18 Jun 2019, In: PLoS Biology. 17, 6, p. 1-20 20 p., e3000299.

    Research output: Contribution to journalArticlepeer-review

  9. Published

    Birds of a feather

    Portugal, S. & Jones, T., 1 Mar 2009, In: Planet Earth. SPRING, p. 24-25 2 p.

    Research output: Contribution to journalArticlepeer-review

  10. Published

    Boldness traits, not dominance, predicts exploratory flight range and homing behaviour in homing pigeons

    Portugal, S., Ricketts, R., Chappell, J., White, C., Shepard, E. & Biro, D., Aug 2017, In: Philosophical Transactions of the Royal Society of London B: Biological Sciences. 372, 1727, p. 1-10 10 p.

    Research output: Contribution to journalArticlepeer-review

  11. Published

    Bringing a Time–Depth Perspective to Collective Animal Behaviour

    Biro, D., Sasaki, T. & Portugal, S., Jul 2016, In: Trends in Ecology and Evolution. 31, 7, p. 550–562 13 p.

    Research output: Contribution to journalArticlepeer-review