Otis tarda (Otididae) - Balzverhalten (1975) is a Documentary film that follows the courtship behavior of Great Bustards is studied. The male Great Bustard is considerably larger than the female. This impression is reinforced during courtship when the male dances in front of the female, showing the light undersides of its wings and inflating its throat pouch. Otis tarda (Otididae) - Balzverhalten is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of documentary movies may also want to explore similar titles below.