Steve J. Portugal
Steve J. Portugal
Reader in Animal Behaviour & Physiology, Royal Holloway University of London
Verified email at - Homepage
Cited by
Cited by
Upwash exploitation and downwash avoidance by flap phasing in ibis formation flight
SJ Portugal, TY Hubel, J Fritz, S Heese, D Trobe, B Voelkl, S Hailes, ...
Nature 505 (7483), 399-402, 2014
Matching times of leading and following suggest cooperation through direct reciprocity during V-formation flight in ibis
B Voelkl, SJ Portugal, M Unsld, JR Usherwood, AM Wilson, J Fritz
Proceedings of the National Academy of Sciences 112 (7), 2115-2120, 2015
Visual fields, foraging and collision vulnerability in Gyps vultures
GR Martin, SJ Portugal, CP Murn
Ibis 154 (3), 626-631, 2012
Review: an embryo's eye view of avian eggshell pigmentation
G Maurer, SJ Portugal, P Cassey
Journal of Avian Biology 42 (6), 494-504, 2011
Annual changes in body mass and resting metabolism in captive barnacle geese (Branta leucopsis): the importance of wing moult
SJ Portugal, JA Green, PJ Butler
Journal of Experimental Biology 210 (8), 1391-1397, 2007
The origin and maintenance of metabolic allometry in animals
CR White, DJ Marshall, LA Alton, PA Arnold, JE Beaman, CL Bywater, ...
Nature Ecology & Evolution 3, 598-603, 2019
Bringing a Time–Depth Perspective to Collective Animal Behaviour
D Biro, T Sasaki, SJ Portugal
Trends in Ecology and Evolution (TREE) 31 (7), 550-562, 2017
Why are birds' eggs colourful? Eggshell pigments co-vary with life-history and nesting ecology among British breeding non-passerine birds
P Cassey, GH Thomas, SJ Portugal, G Maurer, ME Hauber, T Grim, ...
Biological Journal of the Linnean Society 106 (3), 657-672, 2012
Miniaturisation of biologgers is not alleviating the 5% rule
SJ Portugal, CR White
Methods in Ecology and Evolution 9, 1662-1666, 2018
First light for avian embryos: eggshell thickness and pigmentation mediate variation in development and UV exposure in wild bird eggs
G Maurer, SJ Portugal, ME Hauber, I Mikšk, DGD Russell, P Cassey
Functional Ecology, 2015
Implantation reduces the negative effects of bio-logging devices on birds
CR White, P Cassey, NG Schimpf, LG Halsey, JA Green, SJ Portugal
Journal of Experimental Biology 216 (4), 537-542, 2013
Recording raptor behavior on the wing via accelerometry
LG Halsey, SJ Portugal, JA Smith, CP Murn, RP Wilson
Journal of Field Ornithology 80 (2), 171-177, 2009
Variability in avian eggshell colour: a comparative study of museum eggshells
P Cassey, SJ Portugal, G Maurer, JG Ewen, RL Boulton, ME Hauber, ...
PLoS One 5 (8), e12054-e12054, 2010
Hippocampal‐dependent familiar area map supports corrective re‐orientation following navigational error during pigeon homing: a GPS‐tracking study
A Gagliardo, P Ioale, M Savini, G Dell’Omo, VP Bingman
European Journal of Neuroscience 29 (12), 2389-2400, 2009
Respirometry: anhydrous drierite equilibrates with carbon dioxide and increases washout times
CR White, SJ Portugal, GR Martin, PJ Butler
Physiological and Biochemical Zoology 79 (5), 977-980, 2006
Associations between resting, activity, and daily metabolic rate in free-living endotherms: no universal rule in birds and mammals
SJ Portugal, JA Green, LG Halsey, W Arnold, V Careau, P Dann, ...
Physiological and Biochemical Zoology 89 (3), 251-261, 2016
Crystal structure of arginase from Plasmodium falciparum and implications for l-arginine depletion in malarial infection
DP Dowling, M Ilies, KL Olszewski, SJ Portugal, MM Mota, M Llinás, ...
Biochemistry 49 (26), 5600-5608, 2010
A comparison of indices and measured values of eggshell thickness of different shell regions using museum eggs of 230 European bird species
G Maurer, SJ Portugal, P Cassey
Ibis 154 (4), 714-724, 2012
Nesting behaviour influences species-specific gas exchange across avian eggshells
SJ Portugal, G Maurer, GH Thomas, ME Hauber, T Grim, P Cassey
The Journal of Experimental Biology 217 (18), 3326-3332, 2015
Avian eggshell pigments are not consistently correlated with colour measurements or egg constituents in two Turdus thrushes
P Cassey, I Mikšk, SJ Portugal, G Maurer, JG Ewen, E Zarate, MA Sewell, ...
Journal of Avian Biology 43 (6), 503-512, 2012
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