American Black Duck - Clive Harris
Report

Contributor

Date

Location

C&O Canal--Brickyard Rd. - Marsden Tract
Montgomery, Maryland, United States
Media from this location Illustrated Checklist
Map
Map Coordinates: 38.9775434, -77.2164094
Age
Not specified
Sex
Not specified

Observation details

With male Mallard. Scrutinized for the possibility of a hybrid, and while that can't be ruled out the presence of fairly thin white on trailing edge didn't seem to be enough given no other characteristics supported a hybrid.

Technical information

Model
Canon EOS R7
Lens
RF100-500mm F4.5-7.1 L IS USM
ISO
3200
Focal length
500 mm
Flash
Flash did not fire
f-stop
f/7.1
Shutter speed
1/1250 sec
Dimensions
1521 pixels x 1234 pixels
Original file size
1.67 MB