Items where Author is "Portugal, S J"

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Number of items: 22.

Article

Portugal, S J and Usherwood, J R and White, C R and Sankey, D W E and Wilson, A M (2020) Artificial mass loading disrupts stable social order in pigeon dominance hierarchies. Biology Letters, 16 (8). p. 20200468. ISSN 1744-9561

Guillemette, M and Woakes, A J and Larochelle, J and Polymeropoulos, E T and Granbois, J-M and Butler, P J and Pelletier, D and Frappell, P B and Portugal, S J (2016) Does hyperthermia constrain flight duration in a short-distance migrant? Philosophical Transactions of the Royal Society B: Biological Sciences, 371 (1704). p. 20150386.

Pollard, A S and Pitsillides, A A and Portugal, S J (2016) Validating a Noninvasive Technique for Monitoring Embryo Movement In Ovo. Physiological and Biochemical Zoology, 89 (4).

Portugal, S J and Murn, C P and Sparkes, E L and Daley, M A (2016) The fast and forceful kicking strike of the secretary bird. CURRENT BIOLOGY, 26 (2). R58-R59.

Voelkl, B and Portugal, S J and Unsoeld, M and Usherwood, J R and Wilson, A M and Fritz, J (2015) Matching times of leading and following suggest cooperation through direct reciprocity during V-formation flight in ibis. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 112 (7). pp. 2115-2120.

Maurer, G and Portugal, S J and Hauber, M E and Miksik, I and Russell, D G D and Cassey, P (2015) First light for avian embryos: eggshell thickness and pigmentation mediate variation in development and UV exposure in wild bird eggs. Functional Ecology, 29 (2). pp. 209-218.

Portugal, S J and Maurer, G and Thomas, G H and Hauber, M E and Grim, T and Cassey, P (2014) Nesting behaviour influences species-specific gas exchange across avian eggshells. JOURNAL OF EXPERIMENTAL BIOLOGY, 217 (Pt 18). pp. 3326-32.

Portugal, S J and Hubel, T Y and Fritz, J and Heese, S and Trobe, D and Voelkl, B and Hailes, S and Wilson, A M and Usherwood, J R (2014) Upwash exploitation and downwash avoidance by flap phasing in ibis formation flight. Nature, 505 (7483). 399-+.

Portugal, S J (2014) Invasive toads don't need woolly jumpers! JOURNAL OF EXPERIMENTAL BIOLOGY, 217 (11). p. 1837.

Portugal, S J (2014) Octopuses don't get theirs arms in a twist. JOURNAL OF EXPERIMENTAL BIOLOGY, 217 (17). pp. 2987-2988.

Portugal, S J and Hauber, M E and Maurer, G and Stokke, B G and Grim, T and Cassey, P (2014) Rapid development of brood-parasitic cuckoo embryos cannot be explained by increased gas exchange through the eggshell. Journal of Zoology, 293 (4). pp. 219-226.

Brulez, K and Choudhary, P K and Maurer, G and Portugal, S J and Boulton, R L and Webber, S L and Cassey, P (2014) Visual scoring of eggshell patterns has poor repeatability. JOURNAL OF ORNITHOLOGY, 155 (3). pp. 701-706.

Portugal, S J (2014) Youth lead the way in climate change response. JOURNAL OF EXPERIMENTAL BIOLOGY, 217 (5). p. 634.

Portugal, S J and Hubel, T Y and Fritz, J and Wilson, A M and Usherwood, J R (2013) THE AERODYNAMICS OF FLAPPING V FORMATION FLIGHT. Integrative and Comparative Biology, 53. E170-E170.

Alton, L A and Portugal, S J and White, C R (2013) Balancing the competing requirements of air-breathing and display behaviour during male-male interactions in Siamese fighting fish Betta splendens. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR AND INTEGRATIVE PHYSIOLOGY, 164 (2). pp. 363-367.

White, C R and Cassey, P and Schimpf, N G and Halsey, L G and Green, J A and Portugal, S J (2013) Implantation reduces the negative effects of bio-logging devices on birds. JOURNAL OF EXPERIMENTAL BIOLOGY, 216 (4). pp. 537-542.

Guillemette, M and Richman, S E and Portugal, S J and Butler, P J (2012) Behavioural compensation reduces energy expenditure during migration hyperphagia in a large bird. Fundamental & Clinical Pharmacology, 26 (4). pp. 876-883.

Martin, G R and Portugal, S J and Murn, C P (2012) Visual fields, foraging and collision vulnerability in Gyps vultures. IBIS, 154 (3). pp. 626-631.

Portugal, S J and Green, J A and White, C R and Guillemette, M and Butler, P J (2012) Wild geese do not increase flight behaviour prior to migration. Biology Letters, 8 (3). pp. 469-472.

Portugal, S J and Green, J A and Piersma, T and Eichhorn, G and Butler, P J (2011) Greater energy stores enable flightless moulting geese to increase resting behaviour. IBIS, 153 (4). pp. 868-874.

Portugal, S J and Butler, P J and Green, J A and Cassey, P (2011) Indications of phenotypic plasticity in moulting birds: captive geese reveal adaptive changes in mineralisation of their long bones during wing moult. JOURNAL OF ORNITHOLOGY, 152 (4). pp. 1055-1061.

Conference or Workshop Item

Portugal, S J and Wilson, A M and Usherwood, J R (2014) POSITION OF CENTER OF BODY MASS AND FLIGHT DYNAMICS IN BIRDS. In: UNSPECIFIED.

This list was generated on Sun May 9 07:27:52 2021 BST.