Dehnhard, N.; Eens, M.; Sturaro, N.; Lepoint, G.; Demongin, L.; Quillfeldt, P.; Poisbleau, M.: Is individual consistency in body mass and reproductive decisions linked to individual specialization in foraging behavior in a long-lived seabird? Ecology and Evolution 6 (13), pp. 4488 - 4501 (2016)
Dehnhard, N.; Ludynia, K.; Masello, J. F.; Voigt, C. C.; McGill, R. A. R.; Quillfeldt, P.: Plasticity in foraging behaviour and diet buffers effects of inter-annual environmental differences on chick growth and survival in southern rockhopper penguins Eudyptes chrysocome chrysocome. Polar Biology 39 (9), pp. 1627 - 1641 (2016)
Dehnhard, N.; Eens, M.; Demongin, L.; Quillfeldt, P.; Poisbleau, M.: Individual consistency and phenotypic plasticity in rockhopper penguins: Female but not male body mass links environmental conditions to reproductive investment. PLoS One 10 (6), e0128776 (2015)
Dehnhard, N.; Eens, M.; Demongin, L.; Quillfeldt, P.; Suri, D.; Poisbleau, M.: Limited individual phenotypic plasticity in the timing of and investment into egg laying in southern rockhopper penguins under climate change. Marine Ecology-Progress Series 524, pp. 269 - 281 (2015)
Poisbleau, M.; Dehnhard, N.; Demongin, L.; Quillfeldt, P.; Eens, M.: Two eggs, two different constraints: A potential explanation for the puzzling intraclutch egg size dimorphism in Eudyptes penguins. Ecology and Evolution 5 (14), pp. 2827 - 2838 (2015)
Quillfeldt, P.; Ekschmitt, K.; Brickle, P.; McGill, R. A. R.; Wolters, V.; Dehnhard, N.; Masello, J. F.: Variability of higher trophic level stable isotope data in space and time - A case study in a marine ecosystem. Rapid Communications in Mass Spectrometry 29 (7), pp. 667 - 674 (2015)
Matuszak, A.; Mörtl, M.; Quillfeldt, P.; Bauer, H.-G.: Macrophyte-associated macroinvertebrates as an important food source for wintering waterbirds at Lake Constance. Limnology 15 (1), pp. 69 - 76 (2014)
Masello, J. F.; Wikelski, M.; Voigt, C. C.; Quillfeldt, P.: Distribution patterns predict individual specialization in the diet of dolphin gulls. PLoS One 8 (7), e67714 (2013)
Michalik, A.; McGill, R. A. R.; van Noordwijk, H. J.; Masello, J. F.; Furness, R. W.; Eggers, T.; Quillfeldt, P.: Stable isotopes reveal variable foraging behaviour in a colony of the Imperial Shag Phalacrocorax atriceps: Differences between ages, sexes and years. Journal of Ornithology 154 (1), pp. 239 - 249 (2013)
Poisbleau, M.; Dehnhard, N.; Demongin, L.; Parenteau, C.; Quillfeldt, P.; Eens, M.: Females paired with new and heavy mates reduce intra-clutch differences in resource allocation. PLoS One 8 (8), e72136 (2013)
Quillfeldt, P.; Masello, J. F.; Navarro, J.; Phillips, R. A.: Year-round distribution suggests spatial segregation of two small petrel species in the South Atlantic. Journal of Biogeography 40 (3), pp. 430 - 441 (2013)
Crossin, G. T.; Poisbleau, M.; Demongin, L.; Chastel, O.; Williams, T. D.; Eens, M.; Quillfeldt, P.: Migratory constraints on yolk precursors limit yolk androgen deposition and underlie a brood reduction strategy in rockhopper penguins. Biology Letters 8 (6), pp. 1055 - 1058 (2012)
De Dinechin, M.; Dobson, F. S.; Zehtindjiev, P.; Metcheva, R.; Couchoux, C.; Martin, A.; Quillfeldt, P.; Jouventin, P.: The biogeography of Gentoo Penguins (Pygoscelis papua). Canadian Journal of Zoology-Revue Canadienne de Zoologie 90 (3), pp. 352 - 360 (2012)
Matuszak, A.; Mörtl, M.; Quillfeldt, P.; Bauer, H.-G.: Exclosure study on the exploitation of macrophytes by summering and moulting waterbirds at Lower Lake Constance. Hydrobiologia 697 (1), pp. 31 - 44 (2012)
McCoy, K. D.; Beis, P.; Barbosa, A.; Cuervo, J. J.; Fraser, W. R.; Gonzalez-Solis, J.; Jourdain, E.; Poisbleau, M.; Quillfeldt, P.; Leger, E.et al.; Dietrich, M.: Population genetic structure and colonisation of the western Antarctic Peninsula by the seabird tick Ixodes uriae. Marine Ecology-Progress Series 459, pp. 109 - 120 (2012)
Quillfeldt, P.; Masello, J. F.; Segelbacher, G.: Extra-pair paternity in seabirds: A review and case study of Thin-billed prions Pachyptila belcheri. Journal of Ornithology 153 (2), pp. 367 - 373 (2012)
Quillfeldt, P.; McGill, R. A. R.; Furness, R. W.; Möstl, E.; Ludynia, K.; Masello, J. F.: Impact of miniature geolocation loggers on a small petrel, the thin-billed prion Pachyptila belcheri. Marine Biology 159 (8), pp. 1809 - 1816 (2012)
Dehnhard, N.; Poisbleau, M.; Demongin, L.; Chastel, O.; van Noordwijk, H. J.; Quillfeldt, P.: Leucocyte profiles and corticosterone in chicks of southern rockhopper penguins. Journal of Comparative Physiology B-Biochemical Systemic and Environmental Physiology 181 (1), pp. 83 - 90 (2011)
Dehnhard, N.; Poisbleau, M.; Demongin, L.; Quillfeldt, P.: Do leucocyte profiles reflect temporal and sexual variation in body condition over the breeding cycle in Southern Rockhopper Penguins? Journal of Ornithology 152 (3), pp. 759 - 768 (2011)
Dehnhard, N.; Quillfeldt, P.; Hennicke, J. C.: Leucocyte profiles and H/L ratios in chicks of Red-tailed Tropicbirds reflect the ontogeny of the immune system. Journal of Comparative Physiology B-Biochemical Systemic and Environmental Physiology 181 (5), pp. 641 - 648 (2011)
Dehnhard, N.; Voigt, C. C.; Poisbleau, M.; Demongin, L.; Quillfeldt, P.: Stable isotopes in southern rockhopper penguins: Foraging areas and sexual diVerences in the non-breeding period. Polar Biology 34 (11), pp. 1763 - 1773 (2011)
Gladbach, A.; Gladbach, D. J.; Koch, M.; Kuchar, A.; Möstl, E.; Quillfeldt, P.: Can faecal glucocorticoid metabolites be used to monitor body condition in wild Upland geese Chloephaga picta leucoptera? Behavioral Ecology and Sociobiology 65 (7), pp. 1491 - 1498 (2011)
Gladbach, A.; Gladbach, D. J.; Quillfeldt, P.: Male achromatic wing colouration is related to body condition and female reproductive investment in a dichromatic species, the upland goose. Journal of Ethology 29 (2), pp. 243 - 249 (2011)
Llanos, F. A.; Failla, M.; Garcia, G. J.; Giovine, P. M.; Carbajal, M.; Gonzalez, P. M.; Paz Barreto, D.; Quillfeldt, P.; Masello, J. F.: Birds from the endangered Monte, the Steppes and Coastal biomes of the province of Rio Negro, northern Patagonia, Argentina. Check List 7 (6), pp. 782 - 797 (2011)
Masello, J. F.; Quillfeldt, P.; Munimanda, G. K.; Klauke, N.; Segelbacher, G.; Schaefer, H. M.; Failla, M.; Cortes, M.; Moodley, Y.: The High Andes, gene flow and a stable hybrid zone shape the genetic structure of a wide-ranging South American parrot. Frontiers in Zoology 8, 16 (2011)
Matuszak, A.; Voigt, C. C.; Storch, I.; Bauer, H.-G.; Quillfeldt, P.: Depth-specific and spatiotemporal variation of delta C-13 and delta N-15 in Charophytes of Lake Constance: Implications for food web studies. Rapid Communications in Mass Spectrometry 25 (14), pp. 2089 - 2094 (2011)
Poisbleau, M.; Carslake, D.; Demongin, L.; Eens, M.; Chastel, O.; Quillfeldt, P.: Yolk androgen deposition without an energetic cost for female rockhopper penguins: A compensatory strategy to accelerate brood reduction? Biology Letters 7 (4), pp. 605 - 607 (2011)
Poisbleau, M.; Demongin, L.; Chastel, O.; Eens, M.; Quillfeldt, P.: Yolk androgen deposition in rockhopper penguins, a species with reversed hatching asynchrony. General and Comparative Endocrinology 170 (3), pp. 622 - 628 (2011)
Poisbleau, M.; Demongin, L.; Strange, I. J.; Eens, M.; Quillfeldt, P.: Is the reduced incubation time for B-eggs in Rockhopper Penguins Eudyptes chrysocome linked to egg density variation? Journal of Ornithology 152 (1), pp. 137 - 142 (2011)
Quillfeldt, P.; Masello, J. F.; Brickle, P.; Martin-Creuzburg, D.: Fatty acid signatures of stomach contents reflect inter- and intra-annual changes in diet of a small pelagic seabird, the Thin-billed prion Pachyptila belcheri. Marine Biology 158 (8), pp. 1805 - 1813 (2011)
Quillfeldt, P.; Poisbleau, M.; Parenteau, C.; Trouve, C.; Demongin, L.; van Noordwijk, H. J.; Möstl, E.: Measuring corticosterone in seabird egg yolk and the presence of high yolk gestagen concentrations. General and Comparative Endocrinology 173 (1), pp. 11 - 14 (2011)
Quillfeldt, P.; Schroff, S.; van Noordwijk, H. J.; Michalik, A.; Ludynia, K.; Masello, J. F.: Flexible foraging behaviour of a sexually dimorphic seabird: Large males do not always dive deep. Marine Ecology-Progress Series 428, pp. 271 - 287 (2011)
Riou, S.; Gray, C. M.; Brooke, M. d. L.; Quillfeldt, P.; Masello, J. F.; Perrins, C.; Hamer, K. C.: Recent impacts of anthropogenic climate change on a higher marine predator in western Britain. Marine Ecology-Progress Series 422, pp. 105 - 112 (2011)
Van den Steen, E.; Poisbleau, M.; Demongin, L.; Covaci, A.; Dirtu, A. C.; Pinxten, R.; van Noordwijk, H. J.; Quillfeldt, P.; Eens, M.: Organohalogenated contaminants in eggs of rockhopper penguins (Eudyptes chrysocome) and imperial shags (Phalacrocorax atriceps) from the Falkland Islands. Science of the Total Environment 409 (14), pp. 2838 - 2844 (2011)
Demongin, L.; Poisbleau, M.; Rey, A. R.; Schiavini, A.; Quillfeldt, P.; Eens, M.; Strange, I. J.: Geographical variation in egg size dimorphism in rockhopper penguins. Polar Biology 33 (4), pp. 469 - 476 (2010)
Demongin, L.; Poisbleau, M.; Strange, I. J.; Quillfeldt, P.: Effects of severe rains on the mortality of southern rockhopper penguin (eudyptes chrysocome) chicks and its impact on breeding success. Ornitologia Neotropical 21 (3), pp. 439 - 443 (2010)
Gladbach, A.; Gladbach, D. J.; Quillfeldt, P.: Seasonal clutch size decline and individual variation in the timing of breeding are related to female body condition in a non-migratory species, the Upland Goose Chloephaga picta leucoptera. Journal of Ornithology 151 (4), pp. 817 - 825 (2010)
Gladbach, A.; Gladbach, D. J.; Quillfeldt, P.: Variations in leucocyte profiles and plasma biochemistry are related to different aspects of parental investment in male and female Upland geese Chloephaga picta leucoptera. Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology 156 (2), pp. 269 - 277 (2010)
Hardouin, E. A.; Chapuis, J.-L.; Stevens, M. I.; van Vuuren, J. B.; Quillfeldt, P.; Scavetta, R. J.; Teschke, M.; Tautz, D.: House mouse colonization patterns on the sub-Antarctic Kerguelen Archipelago suggest singular primary invasions and resilience against re-invasion. BMC Evolutionary Biology 10, 325 (2010)
Michalik, A.; McGill, R. A. R.; Furness, R. W.; Eggers, T.; van Noordwijk, H. J.; Quillfeldt, P.: Black and white - does melanin change the bulk carbon and nitrogen isotope values of feathers? Rapid Communications in Mass Spectrometry 24 (7), pp. 875 - 878 (2010)
Why do primates have big brains? In the Panamanian rainforest, scientists pitted large-brained primates against smaller-brained mammals to find out who was the smartest forager
The first narrative nonfiction book about the pioneering animal tracking project ICARUS, written by its founder Martin Wikelski, is published by Greystone Books