I spent part of the morning listening to Tickell’s Blue Flycatchers (Cyornis tickelliae sumatrensis, now known as Cyornis sumatrensis,) sing and call out. There were at least 3 birds (perhaps 3) with 2 separate adult males and one female. I made a number of recordings.
The classical song comprises a “sweet song of 4-7 tinkling, metallic notes” (Wells 2007). It is highly variable and I think used as territorial marker. Post 1 shows the sonogram and waveform of such calls. The call recording can be found here: https://www.xeno-canto.org/512701Note that there are 2 birds calling (2 sets of calls). The lower volumes ones were of a bird further away and the higher volume were the answering calls of the bird nearer to me. Here the notes appeared fixed (there were 8 calls and 8 responses in 50 seconds) but I have recorded other sonograms with varying song structure.
The other types of call are a churring ‘trrt-trrt’ and an individual ‘tak’ (Wells 2007). These can be seen in the sonogram and waveform in Post 2. The call recording can be found here (interspersed with other call types): https://www.xeno-canto.org/512702
A fourth type of call, made infrequently, is a sharp whistle like call. The sonogram and waveform of such calls is in Post 3. The call recording can be found here (interspersed with other call types): https://www.xeno-canto.org/512702
Post 4 shows one of the males.
Amar-Singh HSS (Dato’ Dr) – Ipoh, Perak, Malaysia
Location: Kledang-Sayong Forest Reserve, Ipoh, Perak, Malaysia
Habitat: Broken trail in primary jungle
Date: 20th December 2019
Equipment: Nikon D500 SLR with Nikon AF-S Nikkor 500mm f/5.6E PF ED VR, handheld with Rode VideoMic Pro Plus Shotgun Microphone