Amazing Sparrow

Eurasian Tree Sparrow - Passer montanus

this bird has survived the urban environment. in urban setting i do see them in groups, but maybe no more than 10.
In parks i did once saw them in a big flocks. maybe 300s.

Camera Info
Device: Nikon D7100
Lens: VR 150-600mm f/5-6.3G
Focal Length: 600mm
Focus Mode: AF-C
AF-Area Mode: Single
VR: ON
AF Fine Tune: OFF
Exposure
Aperture: f/7.1
Shutter Speed: 1/200s
Exposure Mode: Manual
Exposure Comp.: 0EV
Exposure Tuning:
Metering: Spot
ISO Sensitivity: Auto (ISO 100)