Zeitschriftenartikel (344)
2015
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Towards more physiological manipulations of hormones in field studies: Comparing the release dynamics of three kinds of testosterone implants, silastic tubing, time-release pellets and beeswax. General and Comparative Endocrinology 212, S. 100 - 105 (2015)
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Variation in song system anatomy and androgen levels does not correspond to song characteristics in a tropical songbird. Animal Behaviour 104, S. 39 - 50 (2015)
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Migrating songbirds on stopover prepare for, and recover from, oxidative challenges posed by long-distance flight. Ecology and Evolution 5 (15), S. 3198 - 3209 (2015)
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Access to water affects the condition dependency of nocturnal restlessness in Garden Warblers on a Mediterranean island stopover. Journal of Ornithology 156 (Suppl. 1), S. 425 - 432 (2015)
2014
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Revealing a circadian clock in captive arctic-breeding songbirds, Lapland longspurs (Calcarius lapponicus), under constant illumination. Journal of Biological Rhythms 29 (6), S. 456 - 469 (2014)
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Melanin-based color of plumage: Role of condition and of feathers' microstructure. Integrative and Comparative Biology 54 (4), S. 633 - 644 (2014)
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Regulatory mechanisms of testosterone-stimulated song in the sensorimotor nucleus HVC of female songbirds. BMC Neuroscience 15 (1), 128 (2014)
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How hormone-sensitive are bird songs and what are the underlying mechanisms? Acta acustica united with acustica 100 (4), S. 705 - 718 (2014)
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Male-to-female testosterone ratios, dimorphism, and life history-what does it really tell us? Behavioral Ecology 25 (4), S. 685 - 699 (2014)
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Correlated evolution of female and male testosterone-internal constraints or external determinants? A response to comments on Goymann and Wingfield. Behavioral Ecology 25 (4), S. 704 - 705 (2014)
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Von Grünpflanzen beeinflusst: Brutverhalten des Kanarengirlitzes. Der Falke 61 (7), S. 30 - 32 (2014)
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Zebra finch mates use their forebrain song system in unlearned call communication. PLoS One 9 (10), e109334 (2014)
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Evaluating the predictive value of doublecortin as a marker for adult neurogenesis in canaries (Serinus canaria). The Journal of Comparative Neurology 522 (6), S. 1299 - 1315 (2014)
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What makes a marker a good marker? Brain, behavior and evolution: Official journal of the J. B. Johnston Club 84 (1), S. 5 - 7 (2014)
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Parental care, loss of paternity and circulating levels of testosterone and corticosterone in a socially monogamous song bird. Frontiers in Zoology 11, 11 (2014)
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The number of life-history stages does not influence the androgen responsiveness to male–male interactions: Sedentary and migratory black redstarts (Phoenicurus ochruros) do not elevate testosterone in response to simulated territorial intrusions. General and Comparative Endocrinology 205, S. 159 - 165 (2014)
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Breeding status and social environment differentially affect the expression of sex steroid receptor and aromatase mRNA in the brain of female Damaraland mole-rats. Frontiers in Zoology 11, 38 (2014)
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Environmental and genetic control of brain and song structure in the zebra finch. Evolution: International journal of organic evolution 68 (1), S. 230 - 240 (2014)
2013
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Life-history and hormonal control of aggression in black redstarts: Blocking testosterone does not decrease territorial aggression, but changes the emphasis of vocal behaviours during simulated territorial intrusions. Frontiers in Zoology 10, 8 (2013)
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Associated and disassociated patterns in hormones, song, behavior and brain receptor expression between life-cycle stages in male black redstarts, Phoenicurus ochruros. General and Comparative Endocrinology 184, S. 93 - 102 (2013)
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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), S. 10 - 22 (2013)
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The ecology of stress: Effects of the social environment. Functional Ecology 27 (1), S. 66 - 80 (2013)
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Horizontal transmission of the father's song in the zebra finch (Taeniopygia guttata). Biology Letters 9 (4), 20130247 (2013)
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Comparisons of different methods to train a young zebra finch (Taeniopygia guttata) to learn a song. Journal of Physiology-Paris 107 (3), S. 210 - 218 (2013)
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Maximized song learning of juvenile male zebra finches following BDNF expression in the HVC. European Journal of Neuroscience: European Neuroscience Association 38 (9), S. 3338 - 3344 (2013)
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Urban-like night illumination reduces melatonin release in European blackbirds (Turdus merula): Implications of city life for biological time-keeping of songbirds. Frontiers in Zoology 10, 60 (2013)
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Melatonin reduces migratory restlessness in Sylvia warblers during autumnal migration. Frontiers in Zoology 10, 79 (2013)
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Song learning in male and female Uraeginthus cyanocephalus, a tropical songbird species. Journal of Comparative Psychology 127 (4), S. 352 - 364 (2013)
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Heterospecific exposure affects the development of secondary sexual traits in male zebra finches (Taeniopygia guttata). Behavioural Processes 94, S. 67 - 75 (2013)
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Winning and losing in public: Audiences direct future success in Japanese quail. Hormones and Behavior 63 (4), S. 625 - 633 (2013)
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Year-round territorial aggression is independent of plasma DHEA in the European nuthatch Sitta europaea. Hormones and Behavior 63 (1), S. 166 - 172 (2013)
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Gene und Umwelt: Wie beeinflussen sie Verhalten und Physiologie bei Singvögeln? Jahrbuch - Max-Planck-Gesellschaft (2013)
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Bird-friendly light sources. Adapting the spectral composition of artificial lighting. IEEE Industry Applications Magazine 19 (2), S. 56 - 62 (2013)
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Bird song and anthropogenic noise: Vocal constraints may explain why birds sing higher-frequency songs in cities. Proceedings of the Royal Society B: Biological Sciences 280 (1754), 20122798 (2013)
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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), S. 527 - 538 (2013)
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Representation of early sensory experience in the adult auditory midbrain: Implications for vocal learning. PLoS One 8 (4), e61764 (2013)
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Experimental induction of social instability during early breeding does not alter testosterone levels in male black redstarts, a socially monogamous songbird. Hormones and Behavior 64 (3), S. 461 - 467 (2013)
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Testosterone-dependency of male solo song in a duetting songbird - Evidence from females. Hormones and Behavior 63 (1), S. 122 - 127 (2013)
2012
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Testosterone affects song modulation during simulated territorial intrusions in male black redstarts (Phoenicurus ochruros). PLoS One 7 (12), e52009 (2012)
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Birdsong neurolinguistics: Songbird context-free grammar claim is premature. NeuroReport 23 (3), S. 139 - 145 (2012)
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Large-scale synchronized activity during vocal deviance detection in the zebra finch auditory forebrain. The Journal of Neuroscience 32 (31), S. 10594 - 10608 (2012)
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Validation of an enzyme immunoassay for the measurement of faecal glucocorticoid metabolites in spotted hyenas (Crocuta crocuta). General and Comparative Endocrinology 178 (2), S. 265 - 271 (2012)
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Independence among physiological traits suggests flexibility in the face of ecological demands on phenotypes. Journal of Evolutionary Biology 25 (8), S. 1600 - 1613 (2012)
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Melatonin affects the temporal pattern of vocal signatures in birds. Journal of Pineal Research 53 (3), S. 245 - 258 (2012)
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Ecological drivers of group living in two populations of the communally rearing rodent, Octodon degus. Behavioral Ecology and Sociobiology 66 (2), S. 261 - 274 (2012)
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On the use of non-invasive hormone research in uncontrolled, natural environments: The problem with sex, diet, metabolic rate and the individual. Methods in Ecology and Evolution 3 (4), S. 757 - 765 (2012)
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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), S. 3527 - 3534 (2012)
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Excreted corticosterone metabolites differ between two galliform species, Japanese Quail and Chicken, between sexes and between urine and faecal parts of droppings. Journal of Ornithology 153 (4), S. 1179 - 1188 (2012)
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Vocal tract articulation revisited: The case of the monk parakeet. The Journal of Experimental Biology 215 (1), S. 85 - 92 (2012)
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Behavioural and physiological effects of population density on domesticated Zebra Finches (Taeniopygia guttata) held in aviaries. Physiology & Behavior 105 (3), S. 821 - 828 (2012)