Arnoud B van den Berg
11 May 1985
- 4.0 km SE of Simpang Pertang; Pasoh Forest Research Centre
- Evergreen Forest
- NAGRA III
- Sennheiser ME 20
- Dan Gibson Parabola 45.7cm/11cm (18in/4.3in)
NOTES: (Breeding Status: Territorial. Special Song type: Flight? Flying? General Climate: Wet. Cover Density: Thick. Strata: High flight?) One of the infrequently given calls, probably by a bird in flight. Identification confirmed by D. Wells.