House Swift – calls

posted in: Vocalisation | 0

“I was able to observe and record some of the calls of House Swifts (Apus affinis subfurcatus). These are extremely sociable birds and often in large flocks. This was a small flock of 15-18 birds that was fortunately low enough … Continued

Violet Cuckoo – call

posted in: Videography, Vocalisation | 1

The Violet Cuckoo (Chrysococcyx xanthorhynchus) is an uncommon resident and winter visitor to Singapore (Wang & Hails, 2007). It is nationally vulnerable and considered at risk due to its small number, estimated at around less than 20 birds (Ng & … Continued

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