Bolund, E.; Schielzeth, H.; Forstmeier, W.: Correlates of male fitness in captive zebra finches - a comparison of methods to disentangle genetic and environmental effects. BMC Evolutionary Biology 11, 327 (2011)

Bridge, E. S.; Thorup, K.; Bowlin, M. S.; Chilson, P. B.; Diehl, R. H.; Fleron, R. W.; Hartl, P.; Kays, R.; Kelly, J. F.; Robinson, W. D. et al.; Wikelski, M.: Technology on the move: Recent and forthcoming innovations for tracking migratory birds. Bioscience 61 (9), S. 689 - 698 (2011)

Brumm, H.; Ritschard, M.: Song amplitude affects territorial aggression of male receivers in chaffinches. Behavioral Ecology 22 (2), S. 310 - 316 (2011)

Brumm, H.; Robertson, K. A.; Nemeth, E.: Singing direction as a tool to investigate the function of birdsong: An experiment on sedge warblers. Animal Behaviour 81 (3), S. 653 - 659 (2011)

Brumm, H.; Zollinger, S. A.: The evolution of the Lombard effect: 100 years of psychoacoustic research. Behaviour 148 (11-13), S. 1173 - 1198 (2011)

Callmander , M. W.; Phillipson , P. B.; Razanajatovo, M. H.; Nusbaumer , L.: The genus Ophiocolea H. Perrier in northern Madagascar with description of four new species and two new lectotypifications. Candollea 66, S. 133 - 145 (2011)

Campos-Arceiz, A.; Blake, S.: Megagardeners of the forest - the role of elephants in seed dispersal. Acta oecologica: international journal of ecology 37 (6), S. 542 - 553 (2011)

Catry, T.; Alves, J. A.; Andrade, J.; Costa, H.; Dias, M. P.; Fernandes, P.; Leal, A.; Lourenço, P. M.; Martins, R. C.; Moniz, F. et al.; Pardal, S.; Rocha, A.; Santos, C. D.; Encarnação, V.; Granadeiro, J. P.: Long-term declines of wader populations at the Tagus estuary, Portugal: A response to global or local factors? Bird Conservation International 21, S. 438 - 453 (2011)

Chapple, T. K.; Jorgensen, S. J.; Anderson, S. D.; Kanive, P. E.; Klimley, A. P.; Botsford, L. W.; Block, B. A.: A first estimate of white shark, Carcharodon carcharias, abundance off Central California. Biology Letters 7, S. 581 - 583 (2011)

Clay, Z.; Pika, S.; Gruber, T.; Zuberbühler, K.: Female bonobos use copulation calls as social signals. Biology Letters 7 (4), S. 513 - 516 (2011)

Cleasby, I. R.; Burke, T.; Schroeder, J.; Nakagawa, S.: Food supplements increase adult tarsus length, but not growth rate, in an island population of house sparrows (Passer domesticus). BMC Research Notes 4, 431 (2011)

Cornelius, J. M.; Perfito, N.; Zann, R.; Breuner, C. W.; Hahn, T. P.: Physiological trade-offs in self-maintenance: Plumage molt and stress physiology in birds. The Journal of Experimental Biology 214 (16), S. 2768 - 2777 (2011)

Crofoot, M. C.; Rubenstein, D. I.; Maiya, A. S.; Berger-Wolf, T. Y.: Aggression, grooming and group-level cooperation in white-faced capuchins (Cebus capucinus): Insights from social networks. American Journal of Primatology 73 (8), S. 821 - 833 (2011)

Dechmann, D. K. N.; Ehret, S.; Gaub, A.; Kranstauber, B.; Wikelski, M.: Low metabolism in a tropical bat from lowland Panama measured using heart rate telemetry: An unexpected life in the slow lane. The Journal of Experimental Biology 214 (21), S. 3605 - 3612 (2011)

Dehnhard, N.; Poisbleau, M.; Demongin, L.; Chastel, O.; van Noordwijk, H. J.; Quillfeldt, P.: Leucocyte profiles and corticosterone in chicks of southern rockhopper penguins. Journal of Comparative Physiology B-Biochemical Systemic and Environmental Physiology 181 (1), S. 83 - 90 (2011)

Dehnhard, N.; Poisbleau, M.; Demongin, L.; Quillfeldt, P.: Do leucocyte profiles reflect temporal and sexual variation in body condition over the breeding cycle in Southern Rockhopper Penguins? Journal of Ornithology 152 (3), S. 759 - 768 (2011)

Dehnhard, N.; Quillfeldt, P.; Hennicke, J. C.: Leucocyte profiles and H/L ratios in chicks of Red-tailed Tropicbirds reflect the ontogeny of the immune system. Journal of Comparative Physiology B-Biochemical Systemic and Environmental Physiology 181 (5), S. 641 - 648 (2011)

Dehnhard, N.; Voigt, C. C.; Poisbleau, M.; Demongin, L.; Quillfeldt, P.: Stable isotopes in southern rockhopper penguins: Foraging areas and sexual diVerences in the non-breeding period. Polar Biology 34 (11), S. 1763 - 1773 (2011)

Delhey, K.; Carrizo, M.; Verniere, L.; Mahler, B.; Peters, A.: Rejection of brood-parasitic shiny cowbird Molothrus bonariensis nestlings by the firewood-gatherer Anumbius annumbi? Journal of Avian Biology 42 (5), S. 463 - 467 (2011)

Deregnaucourt, S.: Birdsong learning in the laboratory, with especial reference to the song of the Zebra Finch (Taeniopygia guttata). Interaction Studies 12 (2), S. 324 - 350 (2011)