Koene, J. M.; Montagne-Wajer, K.; Ter Maat, A.: Effects of frequent mating on sex allocation in the simultaneously hermaphroditic great pond snail (Lymnaea stagnalis). Behavioral Ecology and Sociobiology 60 (3), pp. 332 - 338 (2006)

Kunc, H. P.; Foerster, K.; Vermeirssen, E. L. M.; Kempenaers, B.: Experimentally elevated plasma testosterone levels do not influence singing behaviour of male blue tits (Parus caeruleus) during the early breeding season. Ethology 112 (10), pp. 984 - 992 (2006)

Leitao, A.; Ten Cate, C.; Riebel, K.: Within-song complexity in a songbird is meaningful to both male and female receivers. Animal Behaviour 71 (6), pp. 1289 - 1296 (2006)

Leitner, S.; Marshall, R. C.; Leisler, B.; Catchpole, C. K.: Male song quality, egg size and offspring sex in captive canaries (Serinus canaria). Ethology 112 (6), pp. 554 - 563 (2006)

Levinson, H. Z.; Levinson, A. R.: Über altorientalische Skorpione. Deutsche Gesellschaft für allgemeine und angewandte Entomologie e.V. - Nachrichten 20 (3), pp. 101 - 114 (2006)

Levinson, H. Z.; Levinson, A. R.: Die unausrottbare Fliege, eine treue Begleiterin des Menschen. Naturwissenschaftliche Rundschau 59 (3), pp. 141 - 146 (2006)

Levinson, H. Z.; Levinson, A. R.: Schmetterlinge und Vögel als Seelen-Überträger bei lebenden und verstorbenen Menschen. Deutsche Gesellschaft für allgemeine und angewandte Entomologie e.V. - Nachrichten 20 (1), pp. 31 - 35 (2006)

Ley, H.-W.: Experimentelle Tests zur Wahrnehmbarkeit von UV-reflektierenden "Vogelschutzgläsern" durch mitteleuropäische Singvögel. Berichte zum Vogelschutz 43, pp. 87 - 91 (2006)

Lieser, M.; Mueller, U.: Brut- und Aufzuchtverhalten einer freilebenden Haselhenne (Bonasa bonasia). Ökologie der Vögel 28 (1), pp. 47 - 59 (2006)

Lieser, M.; Berthold, P.; Manley, G. A.: Infrasound in the flutter jumps of the capercaillie (Tetrao urogallus): Apparently a physical by-product. Journal of Ornithology 147 (3), pp. 507 - 509 (2006)

Lieser, M.; Toepfer, T.; Schroth, K.-E.; Berthold, P.: Energitische Beurteilung von Koniferennadeln als Winternahrung von Auerhühnern Tetrao urogallus. Ökologie der Vögel 28 (1), pp. 1 - 29 (2006)

Martin, L. B.; Han, P.; Kwong, J.; Hau, M.: Cutaneous immune activity varies with physiological state in female house sparrows (Passer domesticus). Physiological and Biochemical Zoology 79 (4), pp. 775 - 783 (2006)

Martin, L. B.; Han, P.; Lewittes, J.; Kuhlman, J. R.; Klasing, K. C.; Wikelski, M.: Phytohemagglutinin-induced skin swelling in birds: Histological support for a classic immunoecological technique. Functional Ecology 20 (2), pp. 290 - 299 (2006)

Martin, L. B.; Hasselquist, D.; Wikelski, M.: Investment in immune defense is linked to pace of life in house sparrows. Oecologia 147 (4), pp. 565 - 575 (2006)

Masello, J. F.; Gustavo Choconi, R.; Sehgal, R. N. M.; Tell, L.; Quillfeldt, P.: Blood and intestinal parasites in wild Psittaciformes: A case study of Burrowing Parrots (Cyanoliseus patagonus). Ornitologia Neotropical 17 (4), pp. 515 - 529 (2006)

Masello, J. F.; Pagnossin, M. L.; Sommer, C.; Quillfeldt, P.: Population size, provisioning frequency, flock size and foraging range at the largest known colony of Psittaciformes: The Burrowing Parrots of the north-eastern Patagonian coastal cliffs. Emu 106 (1), pp. 69 - 79 (2006)

Mettke-Hofmann, C.; Rowe, K. C.; Hayden, T. J.; Canoine, V.: Effects of experience and object complexity on exploration in garden warblers (Sylvia borin). Journal of Zoology 268 (4), pp. 405 - 413 (2006)

Minor, A. V.; Kaissling, K.-E.: The "dark" noise in the olfactory cells of an insect. Spontaneous activation of the pheromone receptors in the mail silkmoth. Sensornye Sistemy 20 (4), pp. 325 - 328 (2006)

Muck, C.; Zeller, U.: Small mammal communities on cattle and game grazing areas in Namibia. African Zoology 41 (2), pp. 215 - 223 (2006)

Partecke, J.; Gwinner, E.; Bensch, S.: Is urbanisation of European blackbirds (Turdus merula) associated with genetic differentiation? Journal of Ornithology 147 (4), pp. 549 - 552 (2006)