Figure 1From: An acoustic postconflict display in the duetting tropical boubou (Laniarius aethiopicus): a signal of victory?Spectrogram of the presumptive victory display (duet type 5) and photograph showing a pair of duetting tropical boubous, Laniarius aethiopicus. Only the initial three repetitions of the duet are shown. Males always sing the top notes, females the bottom notes.Back to article page