Animal Behaviour Volume 66, Issue 1, Pages 1-198 (July 2003)
Context-specific calls in wild chimpanzees, Pan troglodytes verus: analysis of barks, Pages 115-125 Catherine Crockford and Christophe Boesch Synchronized interdigitated calling in the Kuvangu running frog, Kassina kuvangensis, Pages 127-136 T. Ulmar Grafe Are good ornaments bad armaments? Male chaffinch perception of songs with varying flourish length, Pages 161-167 Albertine Leit�o and Katharina Riebel
