Arnoud B van den Berg
2 Nov 1993
- Temengor; Belum; Halong MNS base-camp; near Banding
- Evergreen Forest
- SONY TCD-D3
- Telinga Parabola 54.7cm/15.5cm (21.5in/6.1in)
NOTES: (Breeding Status: Territorial; Sound Source: Bill?; Cover Density: Thick)
This sound was recorded after human imitation of the whistle song, which was abruptly stopped after the imitation. Similar (but less loud and varied) calls were recorded at earlier occasions in between the single whistles of the song.