passerby-b

Is there any special about this wagtail. It haw all the features of a White Wagtail but with yellowish face and throat down near to the breast.

White Wagtail, Long Valley, Hong Kong, 19 October 2019 at 15:39 hours local time

白鶺鴒，香港塱原，2019年10月19日15時39分 本地時間

Sony A7R3 + FE 600 F4 GM OSS + 1.4X Extender @ F5.6, 1/500 sec. (Manual), ISO 160 (Auto), 1 EV compensation, Daylight White Balance

Post processed by PS CC Camera Raw, Exposure -0.1; Cropped from 7952 x 5304 to 3381 x 2322 pixels and Resize to 1500 x 1030 pixels.

ajohn

A faint yellow tinge like this is fairly common on White Wagtails, especially juveniles or birds in fresh winter plumage (as this one). It fades gradually over time.

passerby-b

Thank you, John.