Publications of Ingrid Schwabl

Goymann, W.; Safari, I.; Muck, C.; Schwabl, I.: Sex roles, parental care and offspring growth in two contrasting coucal species. Royal Society Open Science 3 (10), 160463 (2016)

Goymann, W.; Makomba, M.; Urasa, F.; Schwabl, I.: Social monogamy vs. polyandry: Ecological factors associated with sex roles in two closely related birds within the same habitat. Journal of Evolutionary Biology 28 (7), pp. 1335 - 1353 (2015)

Ashley, N. T.; Ubuka, T.; Schwabl, I.; Goymann, W.; Salli, B. M.; Bentley, G. E.; Buck, C. L.: Revealing a circadian clock in captive arctic-breeding songbirds, Lapland longspurs (Calcarius lapponicus), under constant illumination. Journal of Biological Rhythms 29 (6), pp. 456 - 469 (2014)

Ashley, N. T.; Schwabl, I.; Goymann, W.; Buck, C. L.: Keeping time under the midnight sun: Behavioral and plasma melatonin profiles of free-living Lapland longspurs (Calcarius lapponicus) during the arctic summer. Journal of Experimental Zoology Part A - Ecological Genetics and Physiology 319 (1), pp. 10 - 22 (2013)

Schoech, S. J.; Bowman, R.; Hahn, T. P.; Goymann, W.; Schwabl, I.; Bridge, E. S.: The effects of low levels of light at night upon the endocrine physiology of western scrub-jays (Aphelocoma californica). Journal of Experimental Zoology Part A - Ecological Genetics and Physiology 319 (9), pp. 527 - 538 (2013)

Buehler, D. M.; Vezina, F.; Goymann, W.; Schwabl, I.; Versteegh, M.; Tieleman, B. I.; Piersma, T.: Independence among physiological traits suggests flexibility in the face of ecological demands on phenotypes. Journal of Evolutionary Biology 25 (8), pp. 1600 - 1613 (2012)

Goymann, W.; Helm, B.; Jensen, W.; Schwabl, I.; Moore, I. T.: A tropical bird can use the equatorial change in sunrise and sunset times to synchronize its circannual clock. Proceedings of the Royal Society B: Biological Sciences 279 (1742), pp. 3527 - 3534 (2012)

Poot, H.; Ter Maat, A.; Trost, L.; Schwabl, I.; Jansen, R. F.; Gahr, M.: Behavioural and physiological effects of population density on domesticated Zebra Finches (Taeniopygia guttata) held in aviaries. Physiology & Behavior 105 (3), pp. 821 - 828 (2012)

Versteegh, M. A.; Schwabl, I.; Jaquier, S.; Tieleman, B. I.: Do immunological, endocrine and metabolic traits fall on a single Pace-of-Life axis? Covariation and constraints among physiological systems. Journal of Evolutionary Biology 25 (9), pp. 1864 - 1876 (2012)

Edler, R.; Goymann, W.; Schwabl, I.; Friedl, T. W. P.: Experimentally elevated testosterone levels enhance courtship behaviour and territoriality but depress acquired immune response in Red bishops Euplectes orix. Ibis 153 (1), pp. 46 - 58 (2011)

Fusani, L.; Cardinale, M.; Schwabl, I.; Goymann, W.: Food availability but not melatonin affects nocturnal restlessness in a wild migrating passerine. Hormones and Behavior 59 (1), pp. 187 - 192 (2011)

Landys, M. M.; Goymann, W.; Schwabl, I.; Trappschuh, M.; Slagsvold, T.: Impact of season and social challenge on testosterone and corticosterone levels in a year-round territorial bird. Hormones and Behavior 58 (2), pp. 317 - 325 (2010)

Quillfeldt, P.; Poisbleau, M.; Schwabl, I.; Chastel, O.; Masello, J. F.: Corticosterone at fledging depends on nestling condition, not on parental desertion. Open Access Animal Physiology 2, pp. 61 - 68 (2010)

Buehler, D. M.; Koolhaas, A.; Van't Hof, T. J.; Schwabl, I.; Dekinga, A.; Piersma, T.; Tieleman, B. I.: No evidence for melatonin-linked immunoenhancement over the annual cycle of an avian species. Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology 195 (5), pp. 445 - 451 (2009)

Helm, B.; Schwabl, I.; Gwinner, E.: Circannual basis of geographically distinct bird schedules. The Journal of Experimental Biology 212 (9), pp. 1259 - 1269 (2009)

Silverin, B.; Gwinner, E.; Van't Hof, T. J.; Schwabl, I.; Fusani, L.; Hau, M.; Helm, B.: Persistent diel melatonin rhythmicity during the Arctic summer in free-living willow warblers. Hormones and Behavior 56 (1), pp. 163 - 168 (2009)

Buehler, D. M.; Bhola, N.; Barjaktarov, D.; Goymann, W.; Schwabl, I.; Tieleman, B. I.; Piersma, T.: Constitutive immune function responds more slowly to handling stress than corticosterone in a shorebird. Physiological and Biochemical Zoology 81 (5), pp. 673 - 681 (2008)

Goymann, W.; Wittenzellner, A.; Schwabl, I.; Makomba, M.: Progesterone modulates aggression in sex-role reversed female African black coucals. Proceedings of the Royal Society B: Biological Sciences 275 (1638), pp. 1053 - 1060 (2008)

Goymann, W.; Schwabl, I.; Trappschuh, M.; Hau, M.: Use of ethanol for preserving steroid and indoleamine hormones in bird plasma. General and Comparative Endocrinology 150 (2), pp. 191 - 195 (2007)

Kumar, V.; Rani, S.; Malik, S.; Trivedi, A. K.; Schwabl, I.; Helm, B.; Gwinner, E.: Daytime light intensity affects seasonal timing via changes in the nocturnal melatonin levels. Die Naturwissenschaften 94 (8), pp. 693 - 696 (2007)

Goymann, W.; Geue, D.; Schwabl, I.; Flinks, H.; Schmidl, D.; Schwabl, H.; Gwinner, E.: Testosterone and corticosterone during the breeding cycle of equatorial and European stonechats (Saxicola torquata axillaris and S. t. rubicola). Hormones and Behavior 50 (5), pp. 779 - 785 (2006)

Goymann, W.; Trappschuh, M.; Jensen, W.; Schwabl, I.: Low ambient temperature increases food intake and dropping production, leading to incorrect estimates of hormone metabolite concentrations in European stonechats. Hormones and Behavior 49 (5), pp. 644 - 653 (2006)

Partecke, J.; Schwabl, I.; Gwinner, E.: Stress and the city: Urbanization and its effects on the stress physiology in European Blackbirds. Ecology 87 (8), pp. 1945 - 1952 (2006)

Rödl, T.; Goymann, W.; Schwabl, I.; Gwinner, E.: Excremental androgen metabolite concentrations and gonad sizes in temperate zone vs. tropical Stonechats (Saxicola torquata ssp.). General and Comparative Endocrinology 139 (2), pp. 124 - 130 (2004)

Gwinner, E.; Schwabl-Benzinger, I.; Schwabl, H.; Dittami, J.: Twenty-four hour melatonin profiles in a nocturnally migrating bird during and between migratory seasons. General and Comparative Endocrinology 90 (1), pp. 119 - 124 (1993)

Gwinner, E.; Schwabl, H.; Schwabl-Benzinger, I.: The migratory time program of the garden warbler: Is there compensation for interruptions? Ornis Scandinavica 23 (3), pp. 264 - 270 (1992)

Gwinner, E.; Zeman, M.; Schwabl-Benzinger, I.; Jenni-Eiermann, S.; Jenni, L.; Schwabl, H.: Corticosterone levels of passerine birds during migratory flight. Die Naturwissenschaften 79 (6), pp. 276 - 278 (1992)

Bluhm, C.K.; Schwabl, H.; Schwabl, I.; Perera, A.; Follett, B.K.; Goldsmith, A.R.; Gwinner, E.: Variation in hypothalamic gonadotrophin-releasing hormone content plasma and pituitary LH, and in-vitro testosterone release in a long-distance migratory bird, the garden warbler (Sylvia borin), under constant photoperiods. Journal of Endocrinology 128 (3), pp. 339 - 345 (1991)

Gwinner, E.; Schwabl, H.; Schwabl-Benzinger, I.: Effects of food-deprivation on diurnal migratory restlessness and diurnal activity in the garden warbler Sylvia borin. Oecologia 77 (3), pp. 321 - 326 (1988)

Schwabl, H.; Ramenofsky, M.; Schwabl-Benzinger, I.; Farner, D. S.; Wingfield, J. C.: Social-status, circulating levels of hormones, and competition for food in winter flocks of the White-throated sparrow. Behaviour 107 (1-2), pp. 107 - 121 (1988)

Schwabl, H.; Schwabl-Benzinger, I.; Goldsmith, A. R.; Farner, D. S.: Effects of ovariectomy on long-day-induced premigratory fat deposition, plasma-Levels of luteinizing-hormone and prolactin, and molt in White-crowned sparrows, zonotrichia-leucophrys-gambelii. General and Comparative Endocrinology 71 (3), pp. 398 - 405 (1988)

Schwabl, H.; Schwabl-Benzinger, I.; Farner, D. S.: Relationship between migratory disposition and plasma-levels of gonadotropins and steroid-hormones in the European blackbird. Naturwissenschaften 71 (6), pp. 329 - 331 (1984)

Gwinner, E.; Benzinger, I.: Synchronization of a circadian rhythm in pinealectomized European starlings by daily injections of melatonin. Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology 127 (3), pp. 209 - 213 (1978)

Gwinner, E.; Helm, B.; Koolhaas, A.; Battley, P.; Schwabl, I.; Dekinga, A.; Piersma, T.: Avian migration: Temporal multitasking anda case study of melatonin cycles in waders. In: Progress in brain research, Vol. 199, pp. 457 - 479 (Eds. Kalsbeek, A.; Merrow, M.; Roenneberg, T.; Foster, R. G.). Elsevier, Amsterdam (2012)

Farner, D. S.; Mattocks Jr., P. W.; Schwabl, H.; Schwabl-Benzinger, I.: Photorefractoriness and negative gonadal feedback in seasonal termination of reproduction in Zonotrichia leucophrys gambelii. In: Acta XIX Congressus Internationalis Ornithologici, Vol. I, pp. 646 - 658 (Ed. Ouellet, H.). XIX Congressus Internationalis Ornithologici, Ottawa, Canada, June 22, 1986 - June 29, 1986. University of Ottawa Press, Ottawa (1988)

Gwinner, E.; Schwabl-Benzinger, I.: Adaptive temporal programming of molt and migratory disposition in two closely related long-distance migrants, the pied flycatcher (Ficedula hypoleuca) and the collared flycatcher (Ficedula albicollis). In: Avian Navigation, pp. 75 - 89 (Eds. Papi, F.; Wallraff, H. G.). International Symposium on Avian Navigation (ISAN), Tirrenia (Pisa), September 11, 1981 - September 14, 1981. Springer, Berlin, Heidelberg (1982)