American Black Duck - Ed Wallace
Report

Contributor

Date

Location

Four Mile Run Observation Deck
Arlington, Virginia, United States
Media from this location Illustrated Checklist
Map
Map Coordinates: 38.8425447, -77.0582825
Age
Not specified
Sex
Not specified

Observation details

I think he is a local. Have photos. Wry dark brown duck with contrasting brown head. Looks larger than mallard

Technical information

Model
Canon PowerShot SX70 HS
Lens
3.8-247mm
ISO
800
Focal length
247 mm
Flash
Flash did not fire
f-stop
f/6.5
Shutter speed
1/40 sec
Dimensions
3648 pixels x 2048 pixels
Original file size
2.85 MB