Video 1. Zebra finches behaving freely with on-bird microphones.
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DOI: 10.7554/eLife.07770.017
Example video and external audio recording of Zebra finches behaving freely inside aviary (partial view) on the day of nest material. In the video, note the small white objects on the birds' backs (‘microphone backpacks’) that allow normal behaviours, for example, flight and collection of nest material. In the audio, note the soft, overlapping vocalisations, and wing beat sounds (see Figure 7).