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Journal Article (15)

1.
Journal Article
Dittami, J.; Gwinner, E.; Follett, B.K.; Prossinger, H.: Changes in circadian LH-secretion patterns and annual gonadal cycles in the male European starling (Sturnus vulgaris). Journal of Ornithology 146 (4), pp. 338 - 347 (2005)
2.
Journal Article
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)
3.
Journal Article
Janik, D.; Dittami, J.; Gwinner, E.: The effect of pinealectomy on circadian plasma melatonin levels in house sparrows and European starlings. Journal of Biological Rhythms 7 (4), pp. 277 - 286 (1992)
4.
Journal Article
Gwinner, E.; Dittami, J.: Endogenous reproductive rhythms in a tropical bird. Science 249 (4971), pp. 906 - 908 (1990)
5.
Journal Article
Gwinner, E.; Gänshirt, G.; Dittami, J.: Starling circannual systems: Are they arrested in long photoperiods? Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology 165 (1), pp. 35 - 39 (1989)
6.
Journal Article
Beldhuis, H. J. A.; Dittami, J.; Gwinner, E.: Melatonin and the circadian rhythms of feeding and perch-hopping in the European starling, Sturnus vulgaris. Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology 164 (1), pp. 7 - 14 (1988)
7.
Journal Article
Gwinner, E.; Dittami, J.; Beldhuis, H. J. A.: The seasonal development of photoperiodic responsiveness in an equatorial migrant, the garden warbler Sylvia borin. Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology 162 (3), pp. 389 - 396 (1988)
8.
Journal Article
Dittami, J.; Gwinner, E.: Circannual variations in plasma luteinizing hormone levels in castrated male European starlings (Sturnus vulgaris). Journal of Biological Rhythms 2 (3), pp. 221 - 226 (1987)
9.
Journal Article
Gwinner, H.; Gwinner, E.; Dittami, J.: Effects of nestboxes on LH, testosterone, testicular size, and the reproductive behavior on male European starlings in spring. Behaviour 103, pp. 68 - 81 (1987)
10.
Journal Article
Reyer, H.-U.; Dittami, J.; Hall, M. R.: Avian helpers at the nest: Are they psychologically castrated? Ethology 71 (3), pp. 216 - 228 (1986)
11.
Journal Article
Dittami, J.; Gwinner, E.: Annual cycles in the African stonechat, Saxicola torquata axillaris, and their relationship to environmental factors. Zoological Journal of the Linnean Society 207 (3), pp. 357 - 370 (1985)
12.
Journal Article
Schleußner, G.; Dittami, J.; Gwinner, E.: Testosterone implants affect molt in male European starlings, Sturnus vulgaris. Physiological Zoology 58 (8), pp. 597 - 604 (1985)
13.
Journal Article
Dittami, J.; Reyer, H.-U.: A factor-analysis of seasonal, behavioral, hormonal and body-weight changes in adult male barheaded geese, Anser-indicus. Behaviour 90, pp. 114 - 124 (1984)
14.
Journal Article
Gwinner, E.; Dittami, J.; Gwinner, H.: Postjuvenile molt in East African and Central European stonechats (Saxicola torquata axillaris, S. t. rubicola) and its modification by photoperiod. Oecologia 60 (1), pp. 66 - 70 (1983)
15.
Journal Article
Gwinner, E.; Dittami, J.: Pinealectomy affects the circannual testicular rhythm in European Starlings (Sturnus vulgaris). Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology 136 (4), pp. 345 - 348 (1980)

Book Chapter (4)

16.
Book Chapter
Dittami, J.; Gwinner, E.: Endocrine correlates of seasonal reproduction and territorial behavior in some tropical passerines. In: Endocrinology of birds: Molecular to behavioral, pp. 225 - 233 (Eds. Wada, M.; Ishii, S.; Scanes, C. G.). Springer, Berlin (1990)
17.
Book Chapter
Gwinner, E.; Dittami, J.: Adaptive functions of circannual clocks. In: Endocrine regulations as adaptive mechanisms to the environment, pp. 115 - 123 (Eds. Assenmacher, I.; Boissin, J.). CNRS Publ., Paris (1987)
18.
Book Chapter
Gwinner, E.; Dittami, J.: Photoperiodic responses in temperate-zone and equatorial stonechats: A contribution to the problem of photoperiodism in tropical organisms. In: The endocrine system and the environment, pp. 279 - 294 (Eds. Follett, B.K.; Ishii, S.; Chandola, A.). Japan Sci. Soc. Press; Springer, Tokyo, Berlin, Heidelberg (1985)
19.
Book Chapter
Gwinner, E.; Dittami, J.: Pineal influences on circannual cycles in European starlings: Effects through the circadian system? In: Vertebrate circadian systems: Structure and physiology, pp. 276 - 284 (Eds. Aschoff, J.; Daan, S.; Groos, G.). Springer, Berlin, Heidelberg (1982)

Conference Paper (1)

20.
Conference Paper
Gwinner, E.; Wozniak, J.; Dittami, J.: The role of the pineal organ in the control of annual rhythms in birds. In: The Pineal Organ - Photobiology - Biochronometry - Endocrinology, pp. 99 - 121 (Eds. Oksche, A.; Pévet, P.). Second Colloquium of the European Pineal Study Group (EPSG), Gießen, July 01, 1981 - July 04, 1981. Elsevier/North-Holland Biomedical Press, Amsterdam (1981)
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