The black at the neck of the Rufous-tailed Tailorbird (Orthotomus sericeus hesperius) shows well when calling (Posts 1 and 2).
The black at the neck of the Rufous-tailed Tailorbird is not so obvious or not seen at all when it is not calling (Posts 3 and 4).
Amar-Singh HSS (Dato’ Dr) – Ipoh, Perak, Malaysia
Location: Ipoh, Perak, Malaysia
Habitat: Broken primary forest with secondary growth
Date: 11th January 2021 and 23rd November 2020
Equipment: Equipment: Nikon D500 SLR with Nikon AF-S Nikkor 500mm f/5.6E PF ED VR, handheld with Rode VideoMic Pro Plus Shotgun Microphone