Bauchinger, U.; Van't Hof, T. J.; Biebach, H.: Food availability during migratory stopover affects testis growth and reproductive behaviour in a migratory passerine. Hormones and Behavior 55 (3), pp. 425 - 433 (2009)
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)
Bauchinger, U.; Van't Hof, T. J.; Biebach, H.: Migratory stopover conditions affect the developmental state of male gonads in garden warblers (Sylvia borin). Hormones and Behavior 54 (2), pp. 312 - 318 (2008)
Kumar, V.; Van't Hof, T. J.; Gwinner, E.: Circadian behavioral and melatonin rhythms in the European starling under light-dark cycles with steadily changing periods: Evidence for close mutual coupling? Hormones and Behavior 52 (4), pp. 409 - 416 (2007)
Partecke, J.; Van't Hof, T. J.; Gwinner, E.: Underlying physiological control of reproduction in urban and forest-dwelling European blackbirds Turdus merula. Journal of Avian Biology 36 (4), pp. 295 - 305 (2005)
Partecke, J.; Van't Hof, T. J.; Gwinner, E.: Differences in the timing of reproduction between urban and forest European blackbirds (Turdus merula): Result of phenotypic flexibility or genetic differences? Proceedings of the Royal Society B: Biological Sciences 271 (1552), pp. 1995 - 2001 (2004)
Aarseth, J. J.; Van't Hof, T. J.; Stokkan, K. A.: Melatonin is rhythmic in newborn seals exposed to continuous light. Journal of Comparative Physiology B-Biochemical Systemic and Environmental Physiology 173 (1), pp. 37 - 42 (2003)
Fusani, L.; Van't Hof, T. J.; Hutchison, J. B.: Season-related changes in circulating androgen, brain aromatase, and perch-calling in male ring doves. General and Comparative Endocrinology 130 (2), pp. 142 - 147 (2003)
Leitner, S.; Van't Hof, T. J.; Gahr, M.: Flexible reproduction in wild canaries is independent of photoperiod. General and Comparative Endocrinology 130 (2), pp. 102 - 108 (2003)
Bertolucci, C.; Foa, A.; Van't Hof, T. J.: Seasonal variations in circadian rhythms of plasma melatonin in ruin lizards. Hormones and Behavior 41 (4), pp. 414 - 419 (2002)
Dawson, A.; Van't Hof, T. J.: Ontogeny of the daily profile of plasma melatonin in European starlings raised under long or short photoperiods. Journal of Biological Rhythms 17 (3), pp. 259 - 265 (2002)
Gwinner, H.; Van't Hof, T. J.; Zeman, M.: Hormonal and behavioral responses of starlings during a confrontation with males or females at nest boxes during the reproductive season. Hormones and Behavior 42 (1), pp. 21 - 31 (2002)
Hau, M.; Romero, L. M.; Brawn, J. D.; Van't Hof, T. J.: Effect of polar day on plasma profiles of melatonin, testosterone, and estradiol in high-Arctic Lapland Longspurs. General and Comparative Endocrinology 126 (1), pp. 101 - 112 (2002)
Brandstätter, R.; Kumar, V.; Van't Hof, T. J.; Gwinner, E.: Seasonal variations of in vivo and in vitro melatonin production in a passeriform bird, the house sparrow (Passer domesticus). Journal of Pineal Research 31 (2), pp. 120 - 126 (2001)
Goymann, W.; East, M. L.; Wachter, B.; Höner, O. P.; Möstl, E.; Van't Hof, T. J.; Hofer, H.: Social, state-dependent and environmental modulation of faecal corticosteroid levels in free-ranging female spotted hyenas. Proceedings of the Royal Society B: Biological Sciences 268 (1484), pp. 2453 - 2459 (2001)
Leitner, S.; Voigt, C.; Garcia-Segura, L. M.; Van't Hof, T. J.; Gahr, M.: Seasonal activation and inactivation of song motor memories in wild canaries is not reflected in neuroanatomical changes of forebrain song areas. Hormones and Behavior 40 (2), pp. 160 - 168 (2001)
Scheuerlein, A.; Van't Hof, T. J.; Gwinner, E.: Predators as stressors? Physiological and reproductive consequences of predation risk in tropical stonechats (Saxicola torquata axillaris). Proceedings of the Royal Society B: Biological Sciences 268 (1476), pp. 1575 - 1582 (2001)
Abraham, U.; Gwinner, E.; Van't Hof, T. J.: Exogenous melatonin reduces the resynchronization time after phase shifts of a nonphotic zeitgeber in the house sparrow (Passer domesticus). Journal of Biological Rhythms 15 (1), pp. 48 - 56 (2000)
Fusani, L.; Van't Hof, T. J.; Hutchison, J. B.; Gahr, M.: Seasonal expression of androgen receptors, estrogen receptors, and aromatase in the canary brain in relation to circulating androgens and estrogens. Journal of Neurobiology 43 (3), pp. 254 - 268 (2000)
Kumar, V.; Gwinner, E.; Van't Hof, T. J.: Circadian rhythms of melatonin in European starlings exposed to different lighting conditions: Relationship with locomotor and feeding rhythms. Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology 186 (2), pp. 205 - 215 (2000)
Bentley, G. E.; Van't Hof, T. J.; Ball, G. F.: Seasonal neuroplasticity in the songbird telencephalon: A role for melatonin. Proceedings of the National Academy of Sciences of the United States of America 96 (8), pp. 4674 - 4679 (1999)
Goymann, W.; Möstl, E.; Van't Hof, T. J.; East, M. L.; Hofer, H.: Noninvasive fecal monitoring of glucocorticoids in spotted hyenas, Crocuta crocuta. General and Comparative Endocrinology 114 (3), pp. 340 - 348 (1999)
Reierth, E.; Van't Hof, T. J.; Stokkan, K. A.: Seasonal and daily variations in plasma melatonin in the high-arctic Svalbard ptarmigan (Lagopus mutus hyperboreus). Journal of Biological Rhythms 14 (4), pp. 314 - 319 (1999)
Van't Hof, T. J.; Gwinner, E.: Influence of pinealectomy and pineal stalk deflection on circadian gastrointestinal tract melatonin rhythms in zebra finches (Taeniopygia guttata). Journal of Biological Rhythms 14 (3), pp. 185 - 189 (1999)
Van't Hof, T. J.; Gwinner, E.; Wagner, H.: A highly rudimentary circadian melatonin profile in a nocturnal bird, the barn owl (Tyto alba). Die Naturwissenschaften 85 (8), pp. 402 - 404 (1998)
Van't Hof, T. J.; Gwinner, E.: Development of post-hatching melatonin rhythm in zebra finches (Poephila guttata). Experientia: interdisciplinary journal for the life sciences 52 (3), pp. 249 - 252 (1996)
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