Franz Goller

This study investigates the role of the male duck syringeal bulla in courtship vocalizations by analyzing resonance frequencies and comparing them to vocalization spectra.

The paper investigates how sexual dimorphism and left-right asymmetry interact in duck syrinx development, showing that PITX2 and estrogen signaling regulate asymmetric growth differently in males and females.

The paper shows that synthetic song stimuli evoke switch-like activation of the vocal motor program in sleeping zebra finches, revealing predictive and all-or-nothing motor responses.