ML609065713 AVoCet 3707

影音備註

Recording time: 1401. Elevation (m): 50. Sound type description: not sure about attribution of lower slurred notes. Age: ad. Age determined by: bp. Description of behavior: bird perched on tops of various trees, and at one point flew across the river presumably due to playback/imitation. Playback notes: bird was calling beforehand but playback and human imitations were used.