Denk, A.; Gautschi, B.; Carter, K. L.; Kempenaers, B.: Seven polymorphic microsatellite loci for paternity assessment in the mallard (Anas platyrhynchos). Molecular Ecology Notes 4 (3), S. 506 - 508 (2004)

Dingemanse, N. J.; Both, C.; Drent, P. J.; Tinbergen, J. M.: Fitness consequences of avian personalities in a fluctuating environment. Proceedings of the Royal Society B: Biological Sciences 271 (1541), S. 847 - 852 (2004)

Dingemanse, N. J.; de Goede, P.: The relation between dominance and exploratory behavior is context-dependent in wild great tits. Behavioral Ecology 15 (6), S. 1023 - 1030 (2004)

Driesel, S.; Bachmann, L.; Stauss, M.; Segelbacher, G.; Flach, D.; Tomiuk, J.; Kömpf, J.: High genetic variability of esterase loci in natural populations of Parus major, P-caeruleus, and P-ater. Biochemical Genetics 42 (3-4), S. 109 - 119 (2004)

Dvorak, M.; Vargas, H.; Fessl, B.; Tebbich, S.: On the verge of extinction: A survey of the mangrove finch Cactospiza heliobates and its habitat on the Galapagos Islands. Oryx 38 (2), S. 171 - 179 (2004)

East, M. L.; Moestl, K.; Benetka, V.; Pitra, C.; Höner, O. P.; Wachter, B.; Hofer, H.: Coronavirus infection of spotted hyenas in the Serengeti ecosystem. Veterinary Microbiology 102 (1-2), S. 1 - 9 (2004)

Eibl-Eibesfeldt, I.: Buchbesprechung. Titel des Buches: "Tagebücher aus dem Regenwald 1984-1990" von Bruno Manser. Naturwissenschaftliche Rundschau 57 (9), S. 520 - 522 (2004)

Eibl-Eibesfeldt, I.; Medicus, G.: Ethologie im Spannungsfeld zwischen Natur- und Geisteswissenschaft. Bioskop 2004 (1), S. 6 - 9 (2004)

Ferree, E. D.; Wikelski, M.; Anderson, D. J.: Hormonal correlates of siblicide in Nazca boobies: Support for the Challenge Hypothesis. Hormones and Behavior 46 (5), S. 655 - 662 (2004)

Fidler, A. E.; Kuhn, S.; Gwinner, E.: Convergent evolution of strigiform and caprimulgiform dark-activity is supported by phylogenetic analysis using the arylalkylamine N-acetyltransferase (Aanat) gene. Molecular Phylogenetics and Evolution 33 (3), S. 908 - 921 (2004)

Fiedler, W.; Bairlein, F.; Köppen, U.: Using large-scale data from ringed birds for the investigation of effects of climate change on migrating birds: Pitfalls and prospects. Advances in Ecological Research 35, S. 49 - 67 (2004)

Foerster, K.; Kempenaers, B.: Experimentally elevated plasma levels of testosterone do not increase male reproductive success in blue tits. Behavioral Ecology and Sociobiology 56 (5), S. 482 - 490 (2004)

Forstmeier, W.: Female resistance to male seduction in zebra finches. Animal Behaviour 68 (5), S. 1005 - 1015 (2004)

Forstmeier, W.: Individuelles Sexualverhalten: Die (manchmal) entscheidende Rolle der Mütter. Jahrbuch - Max-Planck-Gesellschaft (2004)

Forstmeier, W.; Birkhead, T. R.: Repeatability of mate choice in the zebra finch: Consistency within and between females. Animal Behaviour 68 (5), S. 1017 - 1028 (2004)

Forstmeier, W.; Leisler, B.: Repertoire size, sexual selection, and offspring viability in the great reed warbler: Changing patterns in space and time. Behavioral Ecology 15 (4), S. 555 - 563 (2004)

Forstmeier, W.; Weiss, I.: Adaptive plasticity in nest-site selection in response to changing predation risk. Oikos 104 (3), S. 487 - 499 (2004)

Fusani, L.; Gwinner, E.: Simulation of migratory flight and stopover affects night levels of melatonin in a nocturnal migrant. Proceedings of the Royal Society B: Biological Sciences 271 (1535), S. 205 - 211 (2004)

Gahr, M.: Hormone-dependent neural plasticity in the juvenile and adult song system: What makes a successful male? Annals of the New York Academy of Sciences 1016 (1), S. 684 - 703 (2004)

Garcia-Moreno, J.: Is there a universal mtDNA clock for birds? Journal of Avian Biology 35 (6), S. 465 - 468 (2004)