%0 Journal Article %A Kiefer, Sarah %A Spiess, Anne %A Kipper, Silke %A Mundry, Roger %A Sommer, Christina %A Hultsch, Henrike %A Todt, Dietmar %+ Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T First-Year Common Nightingales (Luscinia megarhynchos) Have Smaller Song-Type Repertoire Sizes Than Older Males : %G eng %U https://hdl.handle.net/11858/00-001M-0000-0010-01D9-6 %F EDOC: 301953 %R 10.1111/j.1439-0310.2006.01283.x %D 2006 %J Ethology %V 112 %N 12 %& 1217 %P 1217 - 1224