Verditer Flycatcher is named after its distinctive shade of copper-sulphate blue and has a dark patch between the eyes and above the bill base.
That shot was taken in October, 2016 along the Lava to Algarah Road, Darjeeling, West Bengal. The region is located in the upper fringe of famous Neora Valley National Park - Birding Hotspot of India.
Canon 600D + Sigma 150-600 mm
Focal Length: 516 mm
Shutter Speed: 1/640 sec