Scientific Name: Phylloscopus borealis
I been shooting birds for 4 yrs and i only saw this bird once :(
I was under a tree and heard a different kind of bird calls. I check and saw it :)
Model: NIKON D7100
Exposure Time: 1/400 sec
Exposure Program: Manual
Exposure Bias: 0 EV
F Number: F 7.1
ISO Speed ratings: ISO 1000
Flash: Flash did not fire [off]
Focal Length: 600 mm
Metering Mode: Spot