Description:
Anthus trivialis. Gesang auf der Warte und im Flug. Analyse des Gesanges (Klangspektrogramme). Ton- und Bildzeitdehnung
The film shows several positions of the singing flight (mating flight) of the Anthus trivialis at both normal speed and in slow-motion in South Bavaria. Pictures and sound recording took place simultaneously. The film also shows in a trick section the build-up of territorial song of this species making use of sonogrammes